News | Pedro's Works

Updated on Friday, 1^st of November 2024 (created 2019-09-20) — Filed under: Log Sitemap

This is Pedro's Works's news stream, live since Fri. Sep 20^th 2019, excluding the Kudamono Retrospective.

To keep abreast of the latest developments, subscribe to the RSS feed.

2025-05-19 [sudoku]: The zero variant now works with Sudoku and Suguru (PinkHoodie)

2025-04-23 [h2o]: Many thanks to PinkHoodie for making the H2O panels in the modern format, alongside the cover pic and panels for the hex variant, and for making a bonus H2O puzzle upon reading the Kudamono Plans page.

2025-04-13 [sudoku]: ^puzzletters PinkHoodie made 2 Sudoku puzzles using variants edge-solve,territory-area-4,edge-forbidden,math and edge-solve,territory-area-4,kropki!

2025-04-13 [putteria]: ^puzzletters PinkHoodie prepared 3 Putteria puzzles using variant edge-solve,heterocut!

2025-04-13 [fillomino]: ^puzzletters PinkHoodie dispatched 3 Fillomino puzzles using variant gemini-numbers!

2025-04-13 [estate-lawns]: ^puzzletters PinkHoodie crafted 1 Estate Lawns puzzle using variant shade-symmetry-rotational-2!

2025-04-12 [variants]: Upgraded the style of the gemini-numbers symbol so it fades in the background, allowing numbers on top (to support a puzzle by PinkHoodie)

2025-04-12 [sudoku]: ^puzzletters 5381 dispatched 1 Sudoku puzzle using variant math!

2025-04-11 [fences]: and for making a wolf-and-sheep variant Fences as well as 4 classic Fences puzzles for rollout!

2025-04-10 [heyawake]: Many thanks to PinkHoodie for suggesting implementation improvements before the release of Heyawake, for making the panels in the modern format and the cover pic. Also for making Heyawake puzzles using variant shade-symmetry-rotational-2 and obstacle in addition to 3 classics!

2025-04-09 [piece-place]: ^puzzletters PinkHoodie fashioned 1 Piece Place puzzle using variant inner-edge-allowed in addition to 4 classic Piece Place puzzles for rollout!

2025-04-08 [lots]: ^puzzletters Anurag Sahay sent the first sorted LOTS puzzle!

2025-04-07 [variants]: Variant family shade-symmetry-rotational-... were added, inspired by several puzzles, including one by PinkHoodie.

2025-04-05 [nuritwin]: ^puzzletters PinkHoodie crafted 1 Nuritwin puzzle using variant inner-edge-allowed in addition to 6 Nuritwin (classic) puzzles!

2025-04-04 [ox-loop]: ^puzzletters A fabulous mash-up by PinkHoodie, using OX Loop as the base genre for variants crossroads,linesweeper-marked,masyu,luz-loop,multiplication-link-marked,grandstands-marked,geradeweg-marked, to celebrate puzzle number 3500!

2025-04-04 [lits]: ^puzzletters Anurag Sahay fashioned 2 LITS puzzle using variant sorted!

2025-03-30 [tapa-regional]: ::: Puzzletters Thanks to PinkHoodie for crafting a 2 classic Regional Tapa puzzle as well as 2 inner-edge-allowed variant Regional Tapas for rollout. Thanks 5381 for testsolving!

2025-03-30 [show-ten]: ^puzzletters PinkHoodie made 1 Show Ten puzzle using variant unshade and 2 Show Ten (classic) puzzles!

2025-03-30 [ornamented-tree]: ^puzzletters PinkHoodie dispatched 1 Ornamented Tree puzzle using variant square!

2025-03-30 [lits]: ^puzzletters PinkHoodie made 1 LITS puzzle using variant o!

2025-03-29 [tasquare]: ^puzzletters 5381 mailed 1 Tasquare puzzle using variant chopped!

2025-03-29 [ripple-loop]: ^puzzletters 5381 fashioned 1 Ripple Loop puzzle using variant full-optional (corrected by Anurag Sahay - thank you)

2025-03-29 [ornamented-tree]: ^puzzletters 5381 shared 1 Ornamented Tree puzzle using variant square!

2025-03-29 [nuritwin]: ^puzzletters Anurag Sahay constructed 2 Nuritwin variant puzzles respectively using hex and territory-shade-blocks-3!

2025-03-29 [norinori]: ^puzzletters 5381 fashioned 1 Norinori puzzle using variant hex!

2025-03-29 [kindomino]: ^puzzletters 5381 fashioned 1 Kindomino puzzle using variant full!

2025-03-29 [jisoku]: Thanks to PinkHoodie for sending a panel to clarify the hex variant Jisoku, which distinguishes acute and obtuse turns

2025-03-29 [jisoku]: ^puzzletters Anurag Sahay fashioned 1 Jisoku puzzle using variant hex plus 2 Jisoku (classic) puzzles!

2025-03-29 [elastic-loop]: ^puzzletters Anurag Sahay made a second Elastic Loop puzzle using variant successive-parallel-consecutive-lengths!

2025-03-29 [creek]: ^puzzletters 5381 fashioned 1 Creek puzzle using variant tiles-remove-1!

2025-03-27 [variants]: Variant successive-parallel-consecutive-lengths, suggested by Anurag Sahay was added globally, as well as successive-parallel-unequal-lengths, from Elastic Loop.

2025-03-27 [variants]: Variants inner-edge-allowed and inner-edge-forbidden, to support a case by Yoshiki, were added globally.

2025-03-27 [variants]: Global variant yin-yang was added, promoting the genre Yin Tang, to support an older LITS puzzle by PinkHoodie

2025-03-27 [elastic-loop]: A successive-parallel-consecutive-lengths variant Elastic Loop puzzle by Anurag Sahay (who suggested this variant) has been added. Thank you!

2025-03-25 [variants]: Variant unshade, suggested by PinkHoodie was added globally.

2025-03-23 [loop-and-bounds]: ^puzzletters Anurag Sahay sent a full-optional variant Loop and Bounds panel for the corresponding puzzle. Thank you!

2025-03-20 [straight-cross]: ^puzzletters A hex Straight Cross puzzle by 5381 was received

2025-03-18 [snake-regional]: A crossing variant Regional Snake puzzle was made by PinkHoodie — thank you!

2025-03-16 [seiza]: ^puzzletters PinkHoodie sent 1 Seiza puzzle using variant double plus two classic Seiza puzzles -thank you!

2025-03-16 [lits]: ^puzzletters 5381 sent a large 19x19 variant territory-shade-block-area-3 LITS puzzle - thank you!

2025-03-03 [whitelink]: ^Encoding Thanks to Walker Anderson for noticing hex White Link puzzles with an older encoding were not correctly migrated (fixed)

2025-03-01 [nura-knight]: ^puzzletters PinkHoodie created 1 Nura-knight puzzle using variant shade-number-allowed!

2025-02-12 [kurodoko-loop]: PinkHoodie sent 3 Kurodoko Loop puzzles for rollout, including one using the number-visit-required variant - thank you!

2025-02-08 [variants]: Variants number-visit-allowed, number-visit-required and number-visit-forbidden were added for upcoming genre Kurodoko Loop

2025-02-04 [masyu]: Masyu page reorganized to align it with the format in other pages. Also, a problem with the rb variant was corrected.

2025-02-03 [variants]: Variants shade-no-loop and unshade-no-loop were added (PinkHoodie)

2025-02-02 [room]: ^puzzletters PinkHoodie made 1 obstacle variant Room Puzzles puzzle - thanks!

2025-02-02 [aquapelago]: Two unshade-no-loop variant Aquapelago puzzles by Jack Lance were transcribed (with permission)

2025-01-26 [ice-dance-pair]: The masyu-merged variant was corrected so the Ice Dance Pair page loads normally again (cause: this early variant had failed to be registered)

2025-01-19 [hasu-no-mura]: ^puzzletters PinkHoodie transcribed the Hasu no Mura puzzle for which the variant shade-number-allowed was added. Thank you!

2025-01-14 [variants]: Clue management variant edge-solve was added to allow drawing in edges, where the base genre does not allow it.

2025-01-14 [crosswall]: Number clues no longer absolutely required for answer check to trigger in Crosswall (PinkHoodie's heterocutpuzzle was updated accordingly)

2025-01-13 [variants]: Variant shade-number-allowed was added to allow shading numbers, as appeared in a Hasu no Mura puzzle by PinkHoodie

2025-01-09 [variants]: Variants territory-shade-blocks-min-N and territory-shade-blocks-max-N added, a suggestion by PinkHoodie for upcoming Regional LITS!

2025-01-09 [lits-regional]: Thanks to PinkHoodie for sending a classic Regional LITS puzzle as well as one using variant territory-shade-blocks-min-1,territory-shade-block-unique ahead for the upcoming release!

2025-01-04 [haunted-mirror]: A lingering case with mirrors parallel to the moonlight beam, that occurs with the prism variant is was corrected (cause: imperfect mental model)

2025-01-03 [sunglasses]: Outside arrows in Sunglasses are no longer necessary, while inside arrows can now be added via variant arrows-yajilin-given. Note that without an arrow, all directions are now considered.

2024-12-28 [slicy]: ^puzzletters PinkHoodie shared 1 SLICY puzzle using variant sorted,o sent 2 SLICY (classic) puzzles!

2024-12-28 [lohkous-scattered]: ^puzzletters PinkHoodie mailed 1 Scattered Lohkous puzzle using variant edge-given,edge-forbidden!

2024-12-28 [lits]: ^puzzletters PinkHoodie crafted 2 LITS puzzles using variants double and inarow-shade-max-3 dispatched 2 LITS (classic) puzzles!

2024-12-25 [tetroid]: A variant hex and two classic Tetroid puzzles were made by PinkHoodie for rollout - thank you!

2024-12-25 [polyomino-packing]: A hex variant plus and a classic Polyomino packing puzzle was made by PinkHoodie for rollout - thank you!

2024-12-22 [the-longest]: ^puzzletters PinkHoodie constructed 3 classic the Longest puzzles plus one using variant the-shortest. Thank you!

2024-12-22 [sniping-arrow]: ^puzzletters PinkHoodie prepared 1 Sniping Arrow puzzle using variant start-finish, plus a classic, part of the size series!

2024-12-22 [multiplication-link]: ^puzzletters PinkHoodie fashioned 1 Multiplication Link puzzle using variant knapp-daneben and two classics (one is a doppel, and another is part of the size series)!

2024-12-22 [letter-weights]: ^puzzletters PinkHoodie shared 2 Letter Weights puzzles using the math variant plus 4 additional classics (one parallel and one par tof the size series). Thank you!

2024-12-22 [implicit-directors]: ^puzzletters PinkHoodie created a mashup of Implicit Directors and Multiplication Link, using variant multiplication-link-marked!

2024-12-20 [variants]: Realm variants realm-rectangle, realm-square, realm-no-rectangle, realm-no-square were added, after a suggestion by PinkHoodie for Kakeeru

2024-12-20 [kakeeru]: Four rollout classic Kakeeru puzzles were crafted by PinkHoodie, including two classics, a realms-max-1 and a realm-rectangle variant puzzle. Thank you!

2024-12-17 [touching-tails]: Cerise Talis sent the hex variant panel for Touching Tails (with small adaptations). A visual regression (cause: renaming of underlying scopes) was corrected

2024-12-15 [spokes]: ^puzzletters PinkHoodie set 1 Spokes puzzle using variant longbreaksegment-numbers-distinct and created 2 Spokes (classic) puzzles!

2024-12-15 [seiza]: ^puzzletters PinkHoodie created 2 Seiza puzzles, using variants barrier and double and fashioned 3 Seiza classics!

2024-12-15 [nikoji]: ^Advariants Question marks added to NIKOJI, using new local variant question. This was an idea by PinkHoodie, who also sent the variant panels, inspired by Forceloop

2024-12-15 [nikoji]: ^puzzletters PinkHoodie made 1 NIKOJI (classic) puzzle (part of the size series), and two variant question puzzles - thank you!

2024-12-15 [kropki-pairs]: ^puzzletters PinkHoodie shared 1 Kropki Pairs puzzle using variant zero plus 4 Kropki Pairs (classic) puzzles!

2024-12-13 [variants]: ^Advariants global variant family numberrun-multiple-N added, a puzzle idea by てんのみかさ (tennnomikasa) for Kropki Pairs (there with N=11, multiples of eleven)

2024-12-13 [retrospective]: - Genre preview ribbon, dismissible, reading credits.releasedate

2024-12-12 [variants]: Global variants cloterrinumbers-equal, cloroterrinumbers-equal and clomiroterrinumbers-equal were added.

2024-12-12 [kropki-pairs]: ^Advariants global variant cloterrinumbers-equal added, an idea by Solyu for Kropki Pairs (part of the anomaly variant series).

2024-12-10 [variants]: ^Advariants gemini-numbers added globally, an idea by Solyu for Slitherlink (from the anomaly series)

2024-12-10 [variants]: Global variant dream-sequence added.

2024-12-10 [variants]: ^Advariants global variant longbreaksegment-numbers-distinct added, an idea by PinkHoodie for Spokes

2024-12-10 [spokes]: ^Advariants local variant negative-switch by Solyu was added to Spokes!

2024-12-10 [seiza]: ^Advariants Local variant black-hole added to Seiza, an idea by Solyu (part of the Anomaly series)

2024-12-10 [corner-loop]: Corner Loop promoted to global variants corner-loop, corner-loop-marked and corner-loop-merged

2024-12-09 [seiza]: ^Advariants Local variant double added to Seiza, an idea by PinkHoodie, who helped clarify the exact behaviour by sending a good unit test. Thank you!

2024-12-08 [variants]: ^Advariants Global variant dream-sequence-merged, an idea by Matcha20070516 for Ice Walk was added.

2024-12-08 [ice-walk]: Thanks to PinkHoodie for transcribing earlier Ice Walk puzzles, including one with variant directions-optional!

2024-12-08 [ice-walk]: ^Advariants Local variant twins by Solyu was added to Ice Walk today.

2024-12-07 [variants]: ^Advariants Global variant directions-optional, a suggestion by PinkHoodie, who kindly made the rule panel, was added!

2024-12-07 [sudoku]: ^puzzletters PinkHoodie constructed 2 Sudoku puzzles using variants math and obstacle,antiknight plus 2 Sudoku (classic) puzzles! Minor page reorganisation.

2024-12-07 [slitherlink]: ^puzzletters PinkHoodie composed 1 Slitherlink puzzle using variant vista,wolf-and-sheep created 1 classic Slitherlink puzzle, as aprt of the size series!

2024-12-07 [ox-loop]: ^puzzletters PinkHoodie prepared 1 OX Loop puzzle using variant turning,straight, as part of the parallel series!

2024-12-07 [milk-tea]: ^puzzletters PinkHoodie made 4 Milk Tea puzzles using variants pearls-gray and pi, plus a classic Milk Tea - thank you!

2024-12-07 [milk-tea]: Thanks to PinkHoodie for detecting a problem in the pi variant highlighting (via an excellent unit test). It has now been addressed.

2024-12-07 [masyu]: ^puzzletters PinkHoodie made an impressive Masyu puzzle using variants castle,fullish,syuma,dynasty,alternate and a classic Masyu (aprt of the size series)!

2024-12-06 [rgb-loop]: ^puzzletters PinkHoodie fashioned 1 RGB Loop puzzle using variant square, (part of the parallel series).

2024-12-06 [milk-tea]: ^Advariants Local variant pi by Anon_polygomia was added.

2024-12-06 [akari]: ^puzzletters PinkHoodie sent 1 Akari puzzle using variant mirror plus 2 Akari (classic) puzzles, , including a 12x1.

2024-12-06 [akari-rgb]: ^puzzletters PinkHoodie set 3 Akari (RGB) puzzles using variants antiking-any,antiknight; antiking,antiknight-any and knapp-daneben-hue crafted 3 Akari (RGB) (classic) puzzles, , including a 12x1.

2024-12-06 [akari-regional]: ^puzzletters PinkHoodie created 1 Regional akari puzzle using variant prism plus 3 Regional akari (classic) puzzles, including a 12x1.

2024-12-05 [letter-weights]: A prescient comment by PinkHoodie gave rise to the local out-of-bounds variant, which allows reusing letter or numbers from the equation to assign them with lines. Thanks PinkHoodie for making a good example puzzle for it!

2024-12-03 [tentaisho]: Tentaisho was expanded with multiple star types, one per symmetry, particularly for hex . Thanks Chiel Beenhakker (bakpao) for sparking this idea and for noticing an error-checkign issue, corrected (cause: numeric error)

2024-12-02 [akari]: ^Advariants Local variant shadow added to Akari, Akari (RGB) and akari (regional), an idea by Solyu (anomaly variant series, named "black hole"). Shadow tiles cannot be illuminated.

2024-12-01 [masyu]: Incorrect highlighting for the fullish,syuma combo, detected by PinkHoodie, was corrected, and unit tests were added. Thank you!

2024-11-28 [variants]: Variant territory-shade-blocks-diagonal-adjacent-max-N, an idea by Anurag Sahay for double Accord, was added globally.

2024-11-28 [retrospective]: - an imperfect specification of number style, manifested as a problem with the Crosswall variant (detected by PinkHoodie) was corrected across +25 numeric genres

2024-11-28 [akari-regional]: The prism variant was incorrectly registered as "local" when in fact it is "global", causing it not to load. Thanks PinkHoodie for reporting - fixed! Minor change to the prism style.

2024-11-28 [accord]: An example Accord with the double variant was added. Thanks Anurag Sahay for crafting the variant panels, and for sending a double Accord puzzle!

2024-11-26 [variants]: Clue management variant barrier, an idea previously used in Regional akari and Putteria, was added globally, after a suggestion by PinkHoodie.

2024-11-26 [seiza]: Thanks to PinkHoodie for making the variant rule panel for barier in Seiza

2024-11-26 [rb-loop]: The aux loop colour marks were replaced by a letter; a bug reported by PinkHoodie with those in therb variant was corrected.

2024-11-25 [akari-rgb]: Former local variant antiking-equal renamed just antiking (like the global variant) whereas former variant antiking renamed antiking-any (local variant). This aligns the behaviour with that across other genres.

2024-11-25 [akari-rgb]: Thanks to PinkHoodie for making the variant panels antiking,antiking-any,antiknight,antiknight-any

2024-11-24 [kurodoko]: ^puzzletters Rever created a shade-tromino variant Kurodoko puzzle, aka Triodoko - thank you!

2024-11-23 [variants]: Variant masyu was missing from this page and was now added (Rever). Also, variant masyu-merged was added to distinguish an earlier case where pearls obey base genre rules too. Please update earlier puzzles if appropriate.

2024-11-23 [variants]: Variant endpoints, an idea by PinkHoodie, added globally.

2024-11-23 [sudoku]: ^puzzletters The first obstacle variant Sudoku was crafted by PinkHoodie!

2024-11-22 [crossroads]: ^puzzletters Rever shared a masyu Crossroads variant puzzle - thank you!

2024-11-22 [black-holes]: Black holes now work correctly with the hex variant (thanks Random 8!)

2024-11-16 [polyominous]: ^puzzletters PinkHoodie shared 1 Polyominous puzzle using variant edge-given!

2024-11-16 [nurikabe]: ^puzzletters PinkHoodie constructed 2 Nurikabe puzzle using variant landvermessung plus another classic puzzle!

2024-11-14 [landvermessung]: A cross-connectivityvariant Landvermessung was crafted by xetto - thank you!

2024-11-13 [bar-graph]: PinkHoodie kindly transcribed Erich Friedman's Bar Graph puzzles (Bar Chart series) and noticed that the recommended variant should have been territory-shade-blocks-1´instead, with an excellent demonstration puzzle - thank you!

2024-11-09 [loom]: ^puzzletters PinkHoodie created 1 Loom puzzle making great use of variant loop-to-path-vertex!

2024-11-09 [haunted-mirror]: ^puzzletters PinkHoodie set 2 Haunted Mirror Mazes puzzles using variants mirror-solve,piece-count and mirror-solve,piece-count,piece-full!

2024-11-09 [corner-mazes]: ^puzzletters PinkHoodie set 1 Corner Mazes puzzle using variant lines-2,start-finish!

2024-11-05 [u-bahn]: Local variant dead-end was added to U-bahn, and idea by Paletron.

2024-11-05 [polyominous]: A bug in the global variant polyominous, detected by PinkHoodie, was patched (letters are now unrestricted, and it is up to the setters to pick the correct ones)

2024-11-04 [haunted-mirror]: Local variant mirror-solve was added to support mirrorless puzzles too, a suggestion by Davemillar. Currenlty, mirror direction does not matter.

2024-11-03 [gokigen-naname]: PinkHoodie made two additional puzzles with the edge-given variant, one of them without numbers!

2024-11-02 [variants]: Variant loop-to-path-vertex, extending loop-to-path was added (Justimagineit)

2024-11-02 [variants]: Variant empty-area-max-N renamed to realms-max-N. Please update any puzzles (sorry for the inconvenience)

2024-11-02 [variants]: Variant start-finish adds (given) start and finish symbols to a genre (Random 8, PinkHoodie).

2024-11-02 [regilin]: ^puzzletters PinkHoodie created 2 Regilin puzzles using variants vertigo and shade-domino composed 1 Regilin (classic) puzzle!

2024-11-02 [haunted-mirror]: ^puzzletters PinkHoodie shared 1 Haunted Mirror Mazes puzzle using variant prism!

2024-11-02 [gokigen-naname]: Thanks to PinkHoodie for making the rule panels for Gokigen Naname, sending the cover pic, transcribing 6 Gokigen Naname (classic), and sending 3 puzzles for rollout, 1 classic and, 1 using the hex and 1 the edge-given variant!

2024-11-02 [dance-and-dance]: ^puzzletters To celebrate one year of posting, PinkHoodie created 1 Dance and Dance puzzle using variant walls and set 2 Dance and Dance classics!

2024-11-01 [regilin]: An issue with variant shade-domino found by PinkHoodie revealed a mistake in the implementation of Regilin, corrected (cause: block versus cell confusion)

2024-10-28 [haunted-mirror]: Global variant piece-full added. In Haunted Mirror Mazes it ensures every tile not containing a mirror needs to be used by some monster.

2024-10-28 [haunted-mirror]: PinkHoodie remarked that combining piece-count and piece-full would be useful when the counts of some pieces are not given, and made a puzzle to demonstrate it - thank you!

2024-10-28 [gemini-loop]: The new cloterrilines-equal variant finally enabled perfect error checking in Pinkhoodies 2-grid Gemini Loop / Following Suit variant puzzle.

2024-10-27 [forceloop]: Global variant clomiroterrilines-equal was masterfully applied to Forceloop by PinkHoodie - thank you!

2024-10-27 [double-or-nothing]: Global variant cloroterrilines-equal was first applied by PinkHoodie to Double or nothing, alongside the self-or-nothing local variant

2024-10-26 [double-or-nothing]: Local variant self-or-nothing added, to support an original idea by PinkHoodie, who made the variant panel and sent the corresponding puzzle - thank you!

2024-10-25 [touching-tails]: PinkHoodie was the first to explore the new cloterrilines-equal variant, by making a Touching Tails puzzle!

2024-10-25 [haunted-mirror]: PinkHoodie sent an obstacle puzzle to demonstrate the effect of this reccommended variant in Haunted Mirror Mazes

2024-10-24 [double-or-nothing]: A bug causing skipped edge cross marks on hex, detected by Rook, was globally corrected thank you! (cause: complexity)

2024-10-24 [double-or-nothing]: PinkHoodie sent a bouba-or-kiki variant puzzle for the rollout of Double or nothing. Thank you!

2024-10-23 [variants]: Under new section lines with region division variant family cloterrilines-equal, cloroterrilines-equal, clomiroterrilines-equal was added, which includes a variant usually called "clones" or "cloned regions" for line genres.

2024-10-20 [haunted-mirror]: A critical bug in the aux mark inputs for hex, reported by Random 8, was corrected (cause: complexity) Thank you!

2024-10-19 [variants]: Clue-management variant piece-count was added globally, with a focus on an upcoming halloween genre.

2024-10-19 [vista]: ^puzzletters PinkHoodie sent 1 puzzle using variant slitherlink-merged!

2024-10-19 [linesweeper]: ^puzzletters PinkHoodie sent 1 puzzle using variant grandstands-merged!

2024-10-19 [koburin]: ^puzzletters As part of PuzzleSquare's 50000 puzzle celebration, PinkHoodie sent 1 puzzle using variant pipe,shade-domino!

2024-10-19 [implicit-directors]: ^puzzletters As part of PuzzleSquare's 50000 puzzle celebration, PinkHoodie sent 1 puzzle using variant obstacle,turning,straight!

2024-10-19 [grandstands]: ^puzzletters As part of PuzzleSquare's 50000 puzzle celebration, PinkHoodie sent 1 puzzle using variant ripple-loop,short

2024-10-19 [forceloop]: ^puzzletters As part of PuzzleSquare's 50000 puzzle celebration, PinkHoodie sent 1 puzzle using variant crossroads,unequal-lengths!

2024-10-19 [following-suit]: ^puzzletters As part of PuzzleSquare's 50000 puzzle celebration, PinkHoodie sent 1 puzzle using variant luz-loop,full!

2024-10-18 [haunted-mirror]: Local variant mirror-cross added, to allow crossed mirrors.

2024-10-18 [haunted-mirror]: Puzzles with the variant piece-count, like the one PinkHoodie sent for rollout, are reccomended!

2024-10-17 [slitherlink]: slitherlink variant family upgraded, and minor style change applied to the numbers so they are unmistakenly Slitherlink across genres. Former variant slitherlink is now slitherlink-merged (please update you puzzles using this variant)

2024-10-17 [grandstands]: Grandstands promoted to variant grandstands & family.

2024-10-16 [crossroads]: The unequal-lengths variant was adapted to also work on genres with multiple line types like Crossroads (PinkHoodie)

2024-10-15 [variants]: Global variant realm-anchor was added for a Masyu puzzle by Dumediat

2024-10-12 [lighthouses]: PinkHoodie sent 1 puzzle using variant obstacle!

2024-10-11 [crossroads]: Crossroads promoted to global variant crossroads. Also, local variant crossrings by Endagorion was added.

2024-10-10 [slicy]: The o variant for SLICY allows tetrahexes P and O, when fully contained in a territory.

2024-10-10 [lits]: Local variant o by てけてけ was added to LITS!

2024-10-10 [lits]: ^puzzletters Anurag Sahay made a LITS puzzle using global variant landvermessung. Thank you!

2024-10-07 [variants]: The obstacle symbol is now hollow to make it clear that it can be visited (PinkHoodie)

2024-10-07 [room]: The obstacle variant allowed PinkHoodie to upgrade the lohkous mashup puzzle.

2024-10-07 [polyominous]: The genre was promoted to global variant polyominous.

2024-10-06 [variants]: Variant obstacle added, to support an upcoming puzzle by Wisteria Fall.

2024-10-06 [polyominous]: A polyominous borders (as edge-given) was sent by Anurag Sahay for rollout - thank you!

2024-10-06 [akari-regional]: Thanks to Wisteria Fall for sending the first Regional akari puzzle for rollout, as well as the first puzzle using the obstacle variant!

2024-10-05 [tentaisho]: ^puzzletters PinkHoodie sent 1 Tentaisho puzzle using variant territory-symmetry-mirror!

2024-10-05 [polyominous]: A polyominous borders (as edge-given) and a third rollout puzzle were sent by PinkHoodie, both on the hex grid. Thank you!

2024-10-04 [polyominous]: Thanks to PinkHoodie for sending a rollout hex Polyominous puzzle, and noticing that the edge-given variant should be part of the recommendations (added).

2024-10-03 [yin-yang]: ^puzzletters xetto sent a Yin-Yang puzzle using variant cross-connectivity!

2024-10-03 [nurikabe]: xetto sent applied variant cross-connectivity to Nurikabe!

2024-10-03 [nikakoku]: Local variant pearls-gray added to Nikakoku, a suggestion by justkirb. Later on it may be upgraded to a global-variant. A puzzle by PinkHoodie was updated to use this variant.

2024-10-03 [light-and-shadow]: ^puzzletters A cross-connectivity Light and Shadow by xetto was added !

2024-09-29 [nurikabe]: ^puzzletters PinkHoodie sent 1 puzzle using variant cross-connectivity!

2024-09-29 [nura-knight]: ^puzzletters PinkHoodie sent 1 puzzle using variant cross-connectivity-total!

2024-09-29 [nikakoku]: PinkHoodie sent a turning,straight puzzle for rollout. Thank you!

2024-09-29 [hasu-no-mura]: ^puzzletters PinkHoodie sent 2 puzzles using variants cross-connectivity-total and cross-connectivity!

2024-09-29 [fillomino]: ^puzzletters PinkHoodie sent 2 puzzles using variants tentaisho,territory-symmetry-rotational-2 and territory-symmetry-rotational-2!

2024-09-29 [cave]: Regression in cross-connectivity reported by Random 8 and PinkHoodie was corrected (cause: forgot to uncomment a contraint after testing). Unit tests added!

2024-09-27 [variants]: Variant cross-connectivity-total added (PinkHoodie), and behaviour fixed after a reports by xetto and PinkHoodie - thank you!

2024-09-24 [variants]: Variants territory-symmetry-rotational-... were added, inspired by Tentaisho.

2024-09-23 [numericlone]: The behaviour of the hex variant of Numericlone was corrected.

2024-09-22 [light-and-shadow]: An additional aux mark is available in the ambiguous variant, a suggestion by PinkHoodie, to mark "potentially shaded" tiles.

2024-09-22 [implicit-directors]: Carrick made 2 La-Paz-like loops, aka straight Implicit Directors!

2024-09-22 [cave]: xetto made a Cave puzzle to demonstrate the cross-connectivity variant!

2024-09-21 [nuritwin]: ^puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant aqre!

2024-09-21 [light-and-shadow]: ^puzzletters PinkHoodie sent 1 puzzle using variant ambiguous,shade-no-vertex,unshade-no-vertex!

2024-09-21 [heterocut]: ^puzzletters PinkHoodie sent 1 puzzle using variant tentaisho!

2024-09-18 [variants]: Variant tentaisho was added.

2024-09-18 [variants]: Variants antiqueen, antirook, antibishop were added.

2024-09-18 [variants]: Meta-variant cross-connectivity by xetto, was added.

2024-09-18 [tentaisho]: PinkHoodie sent 2 new puzzles for rollout, and transcribed 6 classics plus 2 puzzles using suggested variant tatami - thank you!!

2024-09-18 [putteria]: No-number marks no longer affect the antiknight family of variants (PinkHoodie)

2024-09-17 [variants]: Isolated simple adjacency variants antiking,antiknight, which can now be stacked as well antiking,antiknight (a suggestion by PinkHoodie). Also, variants antiwazir and antiferz were added. Finally, their behaviour with number genres was corrected, after good unit tests sent by PinkHoodie (only equal numbers are disallowed)

2024-09-17 [putteria]: PinkHoodie send the first rollout puzzle (and variant puzzle) and noticed the recommended variant was swapped (adjacent-octo). Thank you!

2024-09-17 [putteria]: PinkHoodie a second rollout puzzle, combining variants antiknight and antiking - thank you!

2024-09-14 [lits]: ^puzzletters PinkHoodie sent 1 puzzle using variant quadruple,territory-shade-block-unique!

2024-09-14 [kurohori]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-no-number, effectively minesweeper!

2024-09-14 [implicit-directors]: ^puzzletters PinkHoodie sent 1 puzzle using variant straight (becoming La paz-like loop)!

2024-09-13 [aqre]: ^puzzletters A hex variant puzzle by PinkHoodie was added. Thank you!

2024-09-11 [nuritwin]: Thanks to PinkHoodie for following up with 2 classics and 3 territory-shade-block-equal variant (Nuriclone ぬりクローン) puzzles!

2024-09-10 [variants]: Variant territory-shade-block-equal, suggested by PinkHoodie, added globally.

2024-09-10 [simple-loop]: A problem with the shortest puzzle was corrected (Random 8)

2024-09-09 [variants]: Former variant straight renamed straight´´ and its behaviour adjusted to not allow crossing, following the original intention of PinkHoodie more closely

2024-09-07 [barns]: ^puzzletters PinkHoodie sent 1 puzzle using variant straight!

2024-09-07 [anymino]: ^puzzletters PinkHoodie sent 1 puzzle using variant double,territory-shade-block-unique!

2024-09-06 [variants]: Variant territory-shade-block-unique, suggested by PinkHoodie, added globally.

2024-09-06 [stained-glass]: Thanks to PinkHoodie for making a set with 6 rollout puzzles, including one hex variant, completing the genre's metadata, and suggesting no-shade aux marking (added).

2024-09-05 [crossroads]: Overlapping given segments in the edge-given-free variant are now highlighted, to solve an issue detected by Rook. Thank you!

2024-09-04 [variants]: Restored arrows in myopia-shade (cause: reencoding); shade-minesweeper recast as a simple alias of kurohori-marked (cause:duplication). Thanks PinkHoodie for reporting.

2024-09-01 [variants]: Reorganised simple and marked numeric variants. Redefined variants tasquare, kurohori, kurodoko, koburin and linesweeper as simple. Older puzzle urls using those variants should be updated to include the suffix -marked where appropriate. This also solves an issue raised by Gene (genethesupreme).

2024-09-01 [nurikabe]: ^puzzletters PinkHoodie sent 25 classics plus 2 disguised snake egg puzzles using variant shade-no-branch!

2024-09-01 [masyu]: ^puzzletters PinkHoodie sent 2 puzzles using variants ice,no-crossing and ice,ice-zone-visited,no-crossing!

2024-09-01 [kurohappo]: A puzzle using variant shade-no-number by PinkHoodie, illustrates the rules of Shirohappo.

2024-08-29 [variants]: Variant straight added (suggested by PinkHoodie, who also sent some good test cases). This is the opposite of turning

2024-08-22 [vertigo]: The directions variant has been fixed (cause: incorrect template shadowing blocked some arrows) (PinkHoodie)

2024-08-14 [crossroads]: An edge case detected by Rook in the edge-given-free variant was corrected (cause: long free lines needed to be split at grid vertices to register all possible number-clue points). Thank you!

2024-08-10 [sunglasses]: Thanks to PinkHoodie for sending a good unit test with a missing case (now covered by the new shade-no-number global variant) and 4(!) rollout puzzles!

2024-08-10 [fillomino]: ^puzzletters PinkHoodie sent 1 puzzle using variant territory-area-max-3!

2024-08-10 [disconnection]: ^puzzletters PinkHoodie sent 1 puzzle using variant hex!

2024-08-10 [crossroads]: ^puzzletters PinkHoodie sent 2 puzzles using variants edge-given-free and ice,ice-crossing-total,crossing,edge-given-free, the latter a disguised barns puzzle!

2024-08-08 [inbox-outbox]: Inbox/Outbox promoted to variant inbox-outbox

2024-08-06 [variants]: Variants cell-to-block,cell-or-block, block-to-cell disabled to tame complexity in the template loading system. They may be re-enabled in the future. Apologies for the disruption.

2024-08-06 [variants]: Variant shade-no-number added (PinkHoodie)

2024-08-06 [disconnection]: ^puzzletters A unshade-zones-1,unshade-no-vertex puzzle was crafted by PinkHoodie - thank you.

2024-08-05 [point-plate]: Variant edge-given folded into the base genre (Rook)

2024-08-04 [slicy]: ^puzzletters Anurag Sahay sent 1 puzzle using variant sorted!

2024-08-04 [lits]: ^puzzletters Anurag Sahay sent 1 puzzle using variant sorted!

2024-08-04 [clones]: ^puzzletters PinkHoodie sent 1 puzzle using variant divide-4,tiles-remove-1!

2024-08-03 [crossroads]: Local variant edge-given-free, suggested by Rook, can now be used. A puzzle by PinkHoodie was added, as well as two great test cases that yielded a correction. Thanks to Rook and PinkHoodie for feedback and discussion on this variant, which lead to a more precise definition of "intersection".

2024-08-02 [creek]: All puzzle urls using the creek variant (formerly tetroscope) must be updated: besides replacing V=tetroscope with V=creek please also replace parameter L-TETROSCOPE by L-CREEK . The old parameter is temporarily accepted for backward compatibility (Sophie (Edderiofer)).

2024-07-27 [lits]: ^puzzletters PinkHoodie sent 1 classic plus 2 puzzles using variants sorted and double,sorted!

2024-07-27 [inbox-outbox]: ^puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant territory-no-rectangle!

2024-07-27 [cave]: ^puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant unshade-no-vertex!

2024-07-27 [achtelwenden]: ^puzzletters PinkHoodie sent 1 puzzle that originated the variant thats-not-right!

2024-07-26 [sniping-arrow]: Global variant start-finish has now has a local adaptation to Sniping Arrow, after an idea by PinkHoodie, who also made the variant rule panel, for this and the endpoints variant. Thank you!

2024-07-23 [norinori]: ^puzzletters Rever created the first variant Nori nori puzzle at pedros.works, using unshade-zones-1. Thank you!

2024-07-23 [lits]: Local variant sorted by Yoshiki added to the LITS family of genres

2024-07-23 [creek]: ^puzzletters PinkHoodie sent 1 brand-new classic plus 1 aqre variant puzzle, in addition to 4 transcriptions!

2024-07-23 [creek]: ^puzzletters Rever shared a hex variant Creek puzzle, with beautiful symmetry - thank you!

2024-07-22 [thats-not-right]: This genre was promoted to variant thats-not-right (no right turns allowed), an idea by PinkHoodie

2024-07-22 [tetroscope]: Former variant tetroscope renamed as creek. Please update any puzzles using it.

2024-07-22 [creek]: Anurag Sahay sent a variant shade-mino-5,shade-unique Creek puzzle for rollout - thank you!

2024-07-19 [spokes]: justkirb send two edge-given,wolf-and-sheep variant disguise puzzles - thank you!

2024-07-19 [barns]: ^puzzletters PinkHoodie sent 1 puzzle using variant turning!

2024-07-18 [variants]: no-branch promoted from building-block to variant, as suggested by justkirb - thank you!

2024-07-17 [variants]: Variant zero from X-Sums extended to all applicable number placement genres (such as Cross Math), a suggstion by justkirb

2024-07-17 [variants]: Variant math-sequential added, using the sequential operator precedence found in Cross Math, after a related suggestion by justkirb

2024-07-15 [parking]: A new,ghost and 2 ghost puzzles was sent by PinkHoodie for rollout; and the behaviour of absent tiles was corrected, using a great unit test sent by PinkHoodie

2024-07-14 [parking]: Three new parking puzzles by Rook were kindly transcribed by the author - thank you!

2024-07-14 [corner-loop]: Thanks PinkHoodie for making great use of the wolf-and-sheep variant with two new puzzles!

2024-07-13 [parking]: Also thanks to Rook for suggesting local variants new and ghost, now added!

2024-07-12 [yin-yang]: ^puzzletters PinkHoodie sent 1 puzzle using new variant creek, another genre in disguise!

2024-07-12 [tamago-town]: ^puzzletters PinkHoodie sent 1 puzzle using new variant kindomino!

2024-07-12 [slitherlink]: ^puzzletters PinkHoodie sent 1 puzzle using the newly available variant wolf-and-sheep, not unlike the crosswall variant!

2024-07-12 [dance-and-dance]: ^puzzletters PinkHoodie sent 1 puzzle using variant ice-zone-visited,crossing,ice-crossing-total!

2024-07-11 [crosswall]: The crosswall variant is now working correctly (Anurag Sahay), cause: missing dependency in variant rule

2024-07-10 [light-and-shadow]: ^puzzletters PinkHoodie made an ambiguous puzzle!

2024-07-09 [light-and-shadow]: Local variant ambiguous added, as suggestion by Kinoseidon, clarified by Jubale. Thank you!

2024-07-09 [light-and-shadow]: PinkHoodie sent the first puzzle for the rollout and crafted the variant panels for local variants ambiguous and globals shade-rectangle and unshade-no-rectangle. Thank you!

2024-07-08 [variants]: Variants creek, crosswall and kindomino were added

2024-07-08 [variants]: Variant wolf-and-sheep was added (edge lines only)

2024-07-06 [variants]: Variants no-turn, turn-allowed were added

2024-07-06 [simple-loop]: ^puzzletters PinkHoodie sent 1 classic this week, and found a day regression related to the short/shortest variants, now fixed (cause: registration missing after switching from implicit to explicit) Thank you!

2024-07-06 [pipelink]: ^puzzletters PinkHoodie disguised another genre in a puzzle using variant ice-crossing-total!

2024-07-06 [alcazar]: PinkHoodie made great use of variant luz-loop in a new puzzle!

2024-07-05 [gemini-loop]: The new luz-loop variant enabled a puzzle by Anurag Sahay mixing different letter types!

2024-07-04 [variants]: Variant luz-loop added, as suggested by Anurag Sahay (in May)

2024-07-04 [variants]: Variants ice, ice-crossing and ice-zone-visited were added (Jubale). Thanks PinkHoodie for noticing a mistake, corrected.

2024-06-29 [zero-one-lines]: ^puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant arrow-yajilin-solve!

2024-06-29 [rb-loop]: PinkHoodie crafted a puzzle using variant arrow-yajilin-solve!

2024-06-24 [variants]: Clue management variant arrow-yajilin-solve was added more broadly (PinkHoodie)

2024-06-21 [yosumi]: ^puzzletters PinkHoodie made 2 puzzles one using the squares-and-rectangles variant; and suggestied a correction to a non-uniqueness detected by Hizuriya and tjm - thank you!

2024-06-17 [tamago-town]: justkirb detected a conflict highlighting bug (cause:typo) that led to the pan-roasted-chicken variant and thus submitted 6+1 puzzles for the rollout. Thank you!

2024-06-17 [tamago-town]: Tamago Town now also works in the hex grid, with eggs supported by two segments. Thanks PinkHoodie for suggestiong it and sending the companion variant panel, plus 2 variant puzzles!

2024-06-16 [turn-sums]: The crossing variant now works as expected - thanks Anurag Sahay for noticing the issue.

2024-06-16 [turn-sums]: PinkHoodie detected a bug in the tuning variant when making the latest puzzle. Corrected!

2024-06-15 [yakisoba]: The implementation is now more robust with respect to variants, such as turning. Thanks Anurag Sahay for highlighting this need.

2024-06-15 [yakisoba]: As suggested by Anurag Sahay who also made a variant panel, local variant doublecross was added. It is a local alias for global variant crossings-2

2024-06-15 [sudoku]: ^puzzletters PinkHoodie sent 2 puzzles using variant math!

2024-06-15 [pipelink]: ^puzzletters PinkHoodie sent 1 puzzle using variant pipe-partial!

2024-06-14 [retrospective]: - Content-security-policy and X-Frame-Options headers replace the older redirect script, removing irregularly occuring issues reported by Hizuriya and Gnull on PuzzleSquareJP.

2024-06-13 [cave]: Rever shared a nice hex Cave puzzle to use as an example - thank you!

2024-06-11 [isowatari]: When using shade-myopia or shade-hyperopia, arrow contrast has been improved (Martin Ender (Menderbug))

2024-06-07 [tally-loop]: The missing constraint "every segment requires a number", detected by Endagorion, was added. The panels and were further clarified to leave no room for ambiguity (Anurag Sahay). Conversely, the variant number-optional was added, to allow segments without numbers.

2024-06-07 [tally-loop]: Together, PinkHoodie and Anurag Sahay sent 1 classic plus 2 puzzles using variant number-optional!

2024-06-07 [naname-loop]: PinkHoodie picked one of the best possible genres to apply variant escape, in the latest puzzle!

2024-06-05 [akari]: The local prism variant by Leeor (I Love Sleeping) was added, alongside an example puzzle! Thanks Leeor (I Love Sleeping) for finding a missing constraint in the highlighting (no bulb on prism). Thanks to PinkHoodie for detecting diagonal self-lighting wasn't always being detected and that the prism was available on solve mode.

2024-06-04 [variants]: Variant crossing-no-adjacent, for an upcoming genre, can now be used globally

2024-06-04 [variants]: Variant alias bramble-N condenses bramble-max-N and bramble-min-N, so that it works on the genre Bramble too (PinkHoodie)

2024-06-04 [variants]: Variants crossings-N,crossings-min-N, crossings-max-N were added (Anurag Sahay)

2024-06-03 [x-sums]: The antiknight variant now considers only inside numbers, as highlighted by PinkHoodie by sending a great test case, and a puzzle!

2024-06-03 [square-jam]: Two intriguing variant puzzles by PinkHoodie, using edge-given and edge-forbidden,edge-given!

2024-06-03 [kazuburo]: The edge-forbidden variant, was suggested PinkHoodie precisely for this new puzzle!

2024-06-03 [inturnal]: ^puzzletters PinkHoodie made great use of the new linesweeper-marked variant in this newly shared puzzle!

2024-06-03 [hit-points]: ^puzzletters PinkHoodie sent one hit-counts variant puzzle!

2024-05-29 [variants]: Variant edge-forbidden, suggested by PinkHoodie, added globally.

2024-05-29 [linesweeper]: PinkHoodie sent a kiki Linesweeper for the rollout. Thank you!

2024-05-27 [variants]: Variants bramble-max-N and bramble-min-N were exposed (after a question by Martin Ender (Menderbug))

2024-05-24 [x-sums]: The particular case of kropki clues outside the grid is now supported, for an X-sums puzzle by PinkHoodie.

2024-05-24 [x-sums]: ^puzzletters PinkHoodie sent 2 puzzles using variants kropki,clues-missing and zero!

2024-05-24 [slitherlink]: ^puzzletters PinkHoodie sent 1 puzzle using variant squares-and-rectangles!

2024-05-24 [masyu]: ^puzzletters PinkHoodie sent 1 puzzle using variant dynasty,syuma!

2024-05-24 [inturnal]: ^puzzletters PinkHoodie sent 1 puzzle using variant turning!

2024-05-24 [choco-banana]: ^puzzletters PinkHoodie sent 1 puzzle using variant pointing-at-the-crowd!

2024-05-20 [nikoji]: For the rollout, PinkHoodie crafted 5 additional classics plus one using the newest variant squares-and-rectangles. Thank you!

2024-05-20 [masyu]: A unit test url sent by PinkHoodie helped correct a regression in the syuma variants (cause: few unit tests and conflicts with a more recent variant)

2024-05-19 [squares-and-rectangles]: A puzzle using variants edge-given,territory-repeat-2 was shared by PinkHoodie

2024-05-19 [squares-and-rectangles]: squares-and-rectangles promoted to variant

2024-05-19 [nikoji]: PinkHoodie cleverly overcame the challenge of making the rule panels, and re-transcribed 5 classics plus 2 puzzle using variant hex! Thank you!

2024-05-19 [masyu]: A regression affecting the dynasty variant, reported by PinkHoodie, was fixed (cause: missing unit test)

2024-05-19 [lits]: Local variant plus (suggested by Anurag Sahay, who also prepared the variant panels and a puzzle) was added to the LITS family of genres (SLICY, Anymino, LOTS etc..)

2024-05-18 [whitelink]: ^puzzletters PinkHoodie sent 2 classics plus 1 puzzle using variant walls,lines-4!

2024-05-18 [vertigo]: ^puzzletters PinkHoodie sent 1 puzzle using variant pipe!

2024-05-18 [squares-and-rectangles]: 3 classic and one variant territory-unique puzzles were sent by Anurag Sahay for the rollout - thank you!

2024-05-18 [multiplication-link]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade,shade-no-adjacent,full!

2024-05-18 [masyu]: ^puzzletters full Masyu puzzles were shared by Anurag Sahay and PinkHoodie!

2024-05-18 [ivy]: ^puzzletters PinkHoodie sent 1 puzzle using variant pipe-partial!

2024-05-18 [hit-points]: ^puzzletters PinkHoodie sent 1 puzzle using variant hit-counts!

2024-05-18 [gemini-loop]: ^puzzletters PinkHoodie sent 1 classic plus 3 puzzles using variants unequaloop,meandering; unequaloop,meandering,turning and lines-2!

2024-05-18 [alcazar]: ^puzzletters PinkHoodie sent 1 puzzle using variant pipe-partial!

2024-05-16 [whitelink]: PinkHoodie made the walls variant panel and sent 2 puzzles for the rollout - thank you!

2024-05-16 [subway]: Turning triangles removed from base genre; replaced by the turning mark from turning variant

2024-05-16 [multiplication-link]: Thanks to Anurag Sahay for noticing the hex variant wasn't working (cause: incorrect choice of length function). Also, the original dotted grid style was applied.

2024-05-16 [alcazar]: A missing walls panel, detected by PinkHoodie, was created - thank you!

2024-05-14 [variants]: Variant pipe was added in anticipation for an upcoming genre.

2024-05-14 [variants]: Variant pipe-partial was also added, and idea by Anurag Sahay

2024-05-14 [whitelink]: Thanks to Anurag Sahay for extensive feedback on the implementation that led to important fixes and even new variant pipe-partial!

2024-05-14 [jadium]: Thanks to PinkHoodie for making the rule panels of this genre, and for sending two rollout puzzles, one using variant kropki !

2024-05-11 [multiplication-link]: ^puzzletters Anurag Sahay sent 2 classics and a ripple-loop varian puzzle!

2024-05-10 [norino-lits]: ^puzzletters PinkHoodie sent 1 puzzle using 3 identical boards (but distinct solutions) combined with variant pointing-at-the-crowd!

2024-05-10 [kurohori]: ^puzzletters PinkHoodie sent 1 puzzle using variant hex!

2024-05-10 [gemini-loop]: ^puzzletters PinkHoodie sent 2 classics plus 2 puzzles using variants crossing and following-suit,lines-2!

2024-05-10 [gemini-block]: Self-describing puzzles by PinkHoodie were listed. Using variants equivalence and edge-given, mottos Gemini Equivalence and GeminiBlock Equivalence were written!

2024-05-10 [fillomino]: ^puzzletters PinkHoodie sent 1 puzzle using variant edge-given!

2024-05-10 [choco-banana]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-no-square!

2024-05-09 [soulmates]: Aux mark regression detected by Martin Ender (Menderbug) was corrected (cause: deprecated auxed property). Also, small candidate aux marks were removed in this genre.

2024-05-08 [variants]: Under Clue Management, variant edge-given was added (PinkHoodie).

2024-05-08 [variants]: Variant escape (from Turtle Shell Loop) was extended to square grids with diagonal (corner) lines and exposed globally.

2024-05-08 [naname-loop]: justkirb fit the panels as a 3x3, sent two puzzles for the rollout and noticed that diagonal lines should not be allowed to cross absent cells (unless using the escape variant) - thank you!

2024-05-08 [gemini-block]: Correction to the genre rules and panels: equal blocks may not contain different letters. Thanks dohz, PinkHoodie for help clarifying this. Please update any puzzles requiring equal blocks with different letters by applying the genre-specific variant lenience.

2024-05-08 [gemini-block]: Variant equivalence by PinkHoodie added (and puzzle updated - thank you)

2024-05-07 [gemini-block]: PinkHoodie kindly sent two classic puzzles and variants heterocut and territory-area-min, and transcribed the original Gemini Block set by Naoki Inaba. Thank you!!

2024-05-06 [variants]: Variant turning was added, to support an upcoming genre.

2024-05-04 [ox-loop]: ^puzzletters Anurag Sahay sent an inturnal variant OX Loop. Thank you!

2024-05-04 [fillomino]: ^puzzletters A consecutive fillomino was sent by Anurag Sahay using the territory-adjacent-area-consecutive variant

2024-05-03 [tasquare]: ^puzzletters PinkHoodie sent 4 classics plus 2 puzzles using variants shade-minesweeper and pointing-at-the-crowd. Thank you!

2024-05-03 [simple-loop]: ^puzzletters PinkHoodie sent 1 puzzle using variant crossing,no-shortest!

2024-05-03 [pointing-at-the-crowd]: ^puzzletters PinkHoodie sent 1 puzzle using variant square,shade-zones-1,shade-snake!

2024-05-03 [kindomino]: ^puzzletters PinkHoodie sent 2 puzzles using variants hex and tiles-remove-2. The latter changes the logic in such a way that known tetromino locations need to be marked.

2024-05-03 [isowatari]: ^puzzletters PinkHoodie sent 1 puzzle using variant pointing-at-the-crowd!

2024-05-03 [hitori]: A multi-grid puzzle was made by PinkHoodie, using variant pointing-at-the-crowd,unshade-zones-4!

2024-05-03 [cave]: ^puzzletters PinkHoodie sent 3 classics plus 1 puzzle using variant unshade-no-vertex!

2024-05-03 [akari]: A recent regression affecting the shade variant in Akari was corrected (cause conflict with given shaded tiles). Thanks Random 8.

2024-05-02 [kurohori]: On the hex grid, the neighbourhood for counting is now as expected (PinkHoodie)

2024-04-28 [variants]: Variant letter-territory-shape-equal added, to support the upcoming Gemini block genre.

2024-04-27 [variants]: Variants shade-no-rectangle and unshade-no-rectangle were exposed, a suggestion by Anurag Sahay; plus shade-no-square and unshade-no-square, suggested by PinkHoodie

2024-04-26 [yin-yang]: ^puzzletters PinkHoodie sent a mega-variant combo puzzle using variant shade-zones-2,unshade-zones-2,kurodoko,kurohori-marked,myopia-shade!

2024-04-26 [tasquare]: Encoding changed in the tasquare variant - please update any puzzles (the squares must be placed again - sorry for the inconvenience).

2024-04-26 [tasquare]: PinkHoodie shared 2 classics and a variant hyperopia-shade,myopia-shade for the rollout - thank you!

2024-04-26 [pointing-at-the-crowd]: ^puzzletters PinkHoodie sent 1 classic plus 4 puzzles using variants square; square,shade-snake,shade-zones-1; square,yajilin and square,shade-tetromino,shade-unique,shade-diagonal-area-unequal!

2024-04-26 [norino-lits]: ^puzzletters PinkHoodie sent 2 classics plus 1 puzzle using variant territory-shade-cells-min-2,territory-shade-cells-max-3,shade-diagonal-figure-unequal!

2024-04-26 [kurotto]: ^puzzletters PinkHoodie sent 1 classic plus 1 "worm variant" puzzle inarow-shade-max-2,shade-no-vertex!

2024-04-26 [kurodoko]: ^puzzletters PinkHoodie sent 2 classics plus 3 puzzles using variants shade-domino,unshade-no-vertex; inarow-unshade-no-4,inarow-shade-max-2 and shade-no-adjacent,adjacent-octo! Appropriately, of the five puzzles is themed around the number 5.

2024-04-26 [implicit-directors]: ^puzzletters PinkHoodie sent 1 puzzle using variant inturnal!

2024-04-26 [heterocut]: A very interesting pattern forms the latest classic Heterocut by PinkHoodie, who also sent a very satisfying hex,full variant!

2024-04-26 [fillomino]: ^puzzletters PinkHoodie made great use of variants: heterocut, math and kropki, each in its own puzzle!

2024-04-26 [crosswall]: ^puzzletters PinkHoodie sent 1 puzzle using variant heterocut!

2024-04-26 [akari]: A small regression on the hex grid detected by PinkHoodie was corrected (cause: changes in the number templates to support an upcoming input mode)

2024-04-26 [akari]: ^puzzletters PinkHoodie sent 2 puzzles using variants hex,clues-missing,shade-no-adjacent and shade-zones-1,unshade-zones-1,shade-no-vertex,unshade-no-vertex,shade!

2024-04-25 [variants]: Variants territory-shade-cells-min-N, territory-shade-cells-max-N were added, as part of Norino-LITS

2024-04-24 [myopia]: A colorisation problem on the hex grid, reported by PinkHoodie and Eli Doris (TwoHoleStraw) was corrected (cause: misallocation of segment styles due to numeric snapping error).

2024-04-22 [kurodoko]: The hex variant is now working correctly for all directions (cause: incomplete deprecation of property regionex), and question marks were added to the panels (and are always available). Thanks PinkHoodie!

2024-04-21 [pointing-at-the-crowd]: An incompatibility with the the yajilin variant was fixed (cause: mixing arrow types)

2024-04-20 [variants]: Variant heterocut (mashup) was added, ahead of an upcoming implementation

2024-04-20 [variants]: Variants inarow-shade-no-N, ´inarow-shade-min-N, inarow-shade-max-N´´ (and unshaded counterparts) were created, by dividing their precursor variants

2024-04-19 [retrospective]: - genre-variant specific panels now in the genre file, with authorship, via varipanels, not necessitating a specific variant template;

2024-04-19 [retrospective]: - Regression immediately found by PinkHoodie was fixed (cause: incomplete separation of recommended variants .recovariants from the current loaded variants .variants)

2024-04-19 [skating]: ^puzzletters PinkHoodie sent an hyper-variant puzzle no-shade,loop-to-path,start-optional,finish-optional,crossing. Plus a classic!

2024-04-19 [rectyard]: FOr the rollout, PinkHoodie prepared 2 classics plus 3 puzzles using variants full, araf and territory-no-square - thank you!

2024-04-19 [pointing-at-the-crowd]: A variant puzzle in square,myopia-shade by PinkHoodie was added to the page for today's rollout. Thank you!

2024-04-19 [parimony]: Rotational parity antisymmetry was obtained by PinkHoodie in the latest lohkous variant puzzle!

2024-04-19 [one-two-zone]: ^puzzletters PinkHoodie set an ambitious tasquare-marked,shade-minesweeper,kurodoko-marked variant puzzle, plus a shade-number-area one!

2024-04-19 [one-good-turn-deserves-another]: A puzzle using variant ripple-loop by PinkHoodie was able to balance the strengths of both genres.

2024-04-19 [masyu]: ^puzzletters PinkHoodie sent 2 puzzles using variants kiki and inturnal!

2024-04-19 [luz-loop]: Using variants inturnal and inturnal,full, PinkHoodie crafted 2 puzzles, one of them equivalent to an Antisymmetric Dutch Loop.

2024-04-19 [lits]: Noticing that the double variant of LITS was listed separately on puzzlesquare, PinkHoodie made a puzzle, in addition to a classic plus a nice hasu-no-mura mashup!

2024-04-19 [inturnal]: ^puzzletters Sometimes simplicity is the best. PinkHoodie sent a crossing variant puzzle!

2024-04-19 [hitori]: Hinting of upcoming implementations, PinkHoodie sent 4 puzzles using variants hex; shade-minesweeper; shade-mino-min-2,shade-mino-max-3,tasquare and kurodoko - thank you!

2024-04-19 [corner-loop]: The very natural slitherlink variant was applied by PinkHoodie to great effect.

2024-04-19 [choco-banana]: For the rollout, PinkHoodie crafted 3 puzzles using variants hasu-no-mura, knapp-daneben and shade-minesweeper! Thank you.

2024-04-19 [araf]: ^puzzletters PinkHoodie reproduced hitori rules with a massive combo variant redactable,shade,shade-no-adjacent,in-row-numbers-repeat-1,unshade-zones-1!

2024-04-19 [akari]: ^puzzletters PinkHoodie sent a doppel classic (vs minesweeper) plus 4 puzzles using variants shade-square,shade,unshade-zones-1,unshade-no-vertex; antiknight; shade,tasquare and clues-missing,shade-no-adjacent!

2024-04-18 [variants]: araf moved into mashups (under merged) and now includes numbers by default (PinkHoodie)

2024-04-18 [retrospective]: - the timer now pauses while changing window or tab (Lorem)

2024-04-18 [rectyard]: A problem with the full variant, detected by PinkHoodie, was corrected (cause: lacking a particular template)

2024-04-18 [choco-banana]: Thanks to Anurag Sahay for sharing eight classic puzzles plus two shade-no-vertex,unshade-no-vertex variant puzzles for today's rollout!

2024-04-17 [rectyard]: ^puzzletters Anurag Sahay sent two classics and one hex Rectyards - thank you!

2024-04-17 [lits]: Variants triple and quadruple were added to LITS and SLICY

2024-04-15 [kurotto]: Thanks to PinkHoodie for making the panels for Kurotto, neatly fitting a 4x4, and for crafing a celebratory classic plus a kurodoko variant puzzle

2024-04-14 [slitherlink]: The hex version now contains all numbers (0 to 6) — thanks Anurag Sahay for noticing this was missing

2024-04-13 [variants]: Fix: the unshade-zone- variant family can now be used as expected (cause: virtual template overwriting) - thanks PinkHoodie for noticing the issue

2024-04-12 [yin-yang]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-zones-2!

2024-04-12 [tiger-in-the-woods]: ^puzzletters PinkHoodie sent 1 classic plus 3 puzzles using variants lines-2, kiki and walls!

2024-04-12 [tetritory]: ^puzzletters PinkHoodie sent 2 puzzles using variants territory-adjacent-figure-equal and territory-adjacent-figure-unequal!

2024-04-12 [slitherlink]: ^puzzletters PinkHoodie sent 3 puzzles using variants full,room; vertigo and meandering!

2024-04-12 [reachability]: ^puzzletters PinkHoodie sent 3 puzzles using variants bouba-or-kiki; extend-as-loop and ramulo-unequal-lengths-global,extend-as-loop!

2024-04-12 [pentomino-puzzles]: ^puzzletters PinkHoodie sent 1 puzzle using variant extend-as-net!

2024-04-12 [ox-loop]: ^puzzletters PinkHoodie sent 1 puzzle using variant myopia!

2024-04-12 [ornamented-tree]: ^puzzletters PinkHoodie sent 5 classics plus 1 puzzle using variant path-to-loop!

2024-04-12 [ore-dango]: ^puzzletters PinkHoodie sent 1 classic plus 1 puzzle using variant redactable!

2024-04-12 [ore-dango]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-square!

2024-04-12 [nurikabe]: ^puzzletters PinkHoodie sent 1 puzzle using variant unshade-zone-anchor, and Anurag Sahay sent a 10x10 classic!

2024-04-12 [numericlone]: ^puzzletters PinkHoodie sent 2 puzzles using variants territory-adjacent-area-equal and slitherlink-merged!

2024-04-12 [masyu]: ^puzzletters A myopia Masyu plus a second classic by Anurag Sahay - thank you.

2024-04-12 [lohkous-scattered]: ^puzzletters PinkHoodie sent 1 puzzle using variant knapp-daneben!

2024-04-12 [isowatari]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-zone-anchor!

2024-04-12 [implicit-directors]: ^puzzletters PinkHoodie sent 1 puzzle using variant shade-domino!

2024-04-12 [gravel]: ^puzzletters PinkHoodie sent a doppel classic / chopped Gravel pair thank you!

2024-04-12 [foreshadow]: ^puzzletters PinkHoodie sent 1 puzzle using variant meetmark-total,crossing,path-to-loop!

2024-04-12 [fillomino]: ^puzzletters PinkHoodie sent 8 puzzles using variants slitherlink,hex; tatami; territory-area-max-3; territory-number-unique; territory-no-unique; area-no-multiple-2; territory-repeat-2; territory-rectangle,chopped and hex,territory-rectangle,chopped!

2024-04-12 [estate-lawns]: ^puzzletters PinkHoodie sent 1 puzzle using variant redactable!

2024-04-12 [bramble]: ^puzzletters PinkHoodie sent 2 classics plus 3 puzzles using variants cell-to-block, unshade-blocks-by-area-equal and unshade-zones-by-area-equal!

2024-04-12 [araf]: ^puzzletters PinkHoodie sent 1 puzzle using variant territory-adjacent-area-unequal!

2024-04-11 [variants]: Variant redactable is now global; variant shade can be used to provide shading ability where missing

2024-04-11 [tiger-in-the-woods]: walls now works correctly the genre (cause: rule template needed to be upgraded to the V3 highlighter). Thanks PinkHoodie!

2024-04-10 [variants]: Variants shade-blocks-by-area-equal and shade-zones-by-area-equal are now separate: shade-equal-by-area should no longer be used (PinkHoodie)

2024-04-09 [variants]: Variants shade-zone-anchor and unshade-zone-anchor added (Martin Ender (Menderbug))

2024-04-08 [variants]: Variants territory-area-min-N and territory-area-max-N were exposed

2024-04-08 [variants]: Variant territory-equal-by-area suggested by Anurag Sahay added - thank you!

2024-04-08 [pointing-at-the-crowd]: Thanks to PinkHoodie for making the square variant panel for Pointing at the Crowd.

2024-04-07 [variants]: Variant territory-no-rectangle (requested by Anurag Sahay) plus territory-no-square and territory-adjacent-area-no-consecutive added; related styles were upgraded to cage.

2024-04-07 [variants]: Opposite variant pair territory-adjacent-figure-equal and territory-adjacent-figure-unequal (suggested by PinkHoodie) were added.

2024-04-07 [fillomino]: Thanks to Anurag Sahay for crafting the modern rule panels, as well as for a classic and hex variant puzzles!

2024-04-06 [variants]: Variants extend-as-loop and extend-as-net, from an idea by PinkHoodie for Reachability, were added

2024-04-06 [variants]: Variant bouba-or-kiki by PinkHoodie was added

2024-04-06 [variants]: Variants territory-adjacent-area-unequal,territory-adjacent-area-equal, from a suggestion by PinkHoodie, were added

2024-04-06 [variants]: Style improvements for territory-repeat-N (PinkHoodie, AnuragSahay)

2024-04-06 [tiger-in-the-woods]: The extension of variant lines-N (that had a problem found by PinkHoodie) now works correctly with start and end points (solution: use per-line max instead)

2024-04-06 [lohkous-scattered]: The knapp-daneben variant now works with Scattered Lohkous too. It was a little trickier since repeated clues could suddenly become distinct numbers.

2024-04-05 [variants]: Rook's complementary variants added: unshade-snake, composed of unshade-no-branch and unshade-snake-no-touch

2024-04-05 [variants]: More complementary variants: shade-number-area, unshade-no-adjacent

2024-04-05 [variants]: Variants shade-zones-N, shade-zones-min-N, shade-zones-max-N and their complementaries were added

2024-04-05 [yin-yang]: PinkHoodie started to explore Yin-Yang variants, such as hex, kurohori-marked, simple-loop and a combos simple-loop,loop-to-path and simple-loop,loop-to-path,lines-3

2024-04-05 [yajilin]: Variant combo redactable,directions was used in PinkHoodie's latest puzzle!

2024-04-05 [turtle-shell-loop]: Bug-turned-variant escape received an excellent puzzle by PinkHoodie. Thank you!

2024-04-05 [tricky-tour]: Tricky Tour was picked by PinkHoodie as one of the best genres to apply the new unparalleled variant - thank you!

2024-04-05 [the-longest]: 5 the-shortest variant puzzles were made by PinkHoodie, to explore this counter-intuitive variant

2024-04-05 [tetro-stack]: PinkHoodie explored the variant hex with a nice puzzle - thank you!

2024-04-05 [skating]: ^puzzletters hex and bouba,walls variant puzzles by PinkHoodie were added!

2024-04-05 [reachability]: ^puzzletters With variant hex and variant doppel pairs kiki and bouba, PinkHoodie did 3 nice puzzles!

2024-04-05 [myopia]: Besides 2 classics, PinkHoodie made a hex and a elimination Myopia - thank you!

2024-04-05 [masyu]: A dual,double and a myopia masyu puzzles by PinkHoodie were added. Thank you!

2024-04-05 [limbs]: PinkHoodie used variant meetmark-total in an unexpected combination with Limbs

2024-04-05 [inturnal]: hex and numbered-lengths variants puzzles, plus 5 classics were made by PinkHoodie to celebrate the implementation of Inturnal

2024-04-05 [implicit-directors]: An additional hex, redactable, short variant puzzles plus 4 classics, all by PinkHoodie, mark the first week of Implicit Directors!

2024-04-05 [araf]: ^puzzletters A tiles-remove-1 variant Araf was made by PinkHoodie!

2024-04-05 [anymino]: ^puzzletters A classic and a hex Anymino were crafted by PinkHoodie!

2024-04-04 [variants]: Global atomic variants shade-snake-no-touch and shade-no-branch added, making the composite shade-snake variant, an idea by Rook

2024-04-04 [myopia]: Myopia arrows extended to hex, experimentally (please report any slowness or bugs)

2024-04-04 [masyu]: Variant dual by Paletron was added.

2024-04-03 [inturnal]: Variant inturnal was added, promoting this genre.

2024-04-01 [unparalleled]: The unparalleled constraint is now available as a global variant (Wessel Strijkstra) and a line highlighting display bug was corrected.

2024-04-01 [touching-tails]: A bug in the hex grid reported by Anurag Sahay was corrected (cause: numeric rounding error)

2024-04-01 [the-longest]: Local variant the-shortest by 凍み豆腐程度の能力 was added.

2024-04-01 [reachability]: The hex variant now works entirely with Reachability as detected by PinkHoodie (cause: underpowered arrow symbol generation capability)

2024-04-01 [myopia]: Local variant elimination by PinkHoodie was added

2024-03-31 [akari-rgb]: Local variant knapp-daneben-hue, created by Leeor (I Love Sleeping) was added to Akari (RGB), alongside two puzzles!

2024-03-30 [implicit-directors]: Thanks Rook for noticing that aux marks weren't adapting to hex (fixed)

2024-03-29 [vegetable-garden]: PinkHoodie made great use of the global chopped variant in the latest Vegetable Garden puzzle.

2024-03-29 [parimony]: A classic Parimony by Anurag Sahay was added, plus a puzzle by PinkHoodie using the newly corrected full variant.

2024-03-29 [nurikabe]: ^puzzletters A 10x10 aqre Nurikabe was crafted by PinkHoodie.

2024-03-29 [masyu]: Anurag Sahay made a 10x0 unequal lengths Masyu - thank you!

2024-03-29 [loom]: The araf variant was put to great use in Loom by PinkHoodie

2024-03-29 [implicit-directors]: Three extra classics and three variants (crossing, liar and shade-minesweeper) were made by PinkHoodie to celebrate and explore this implementation - thank you!

2024-03-29 [black-holes]: A classic plus to hex variants by PinkHoodie are now available. Thank you!

2024-03-27 [variants]: Variants knapp-daneben and liar promoted from Yajilin to (almost) global, under misinformation

2024-03-27 [nurikabe]: ^puzzletters PinkHoodie sent 2 unit tests supporting a global fix for araf variant, that was erroneouly accepting areas with a single number. Thank you!

2024-03-27 [akari-rgb]: knapp-daneben now works in Akari (RGB), a suggestion by Leeor (I Love Sleeping)

2024-03-24 [variants]: Variants shade-rectangle,unshade-rectangle added. Local variant chopped promoted to global, affecting many more genres (please report any "missing" genres you find)

2024-03-24 [one-two-zone]: ^puzzletters Anurag Sahay sent an additional One-Two Zone, using the unshade-no-vertex variant - thank you!

2024-03-24 [nurikabe]: ^puzzletters Anurag Sahay sent 2 additional variant puzzles araf and unshade-unique - thank you!

2024-03-24 [araf]: The behaviour of the full variant was corrected for region-division genres like Araf (cause: this case had not been considered before). Thanks PinkHoodie for noticing this issue. Also, a minor regression making the genre temporarily unavailable was corrected (cause: missing comma)

2024-03-23 [reachability]: A spiral variant puzzle by PinkHoodie was received - thank you!

2024-03-23 [one-two-zone]: Global variant araf added - a suggestion by Anurag Sahay for One-Two Zone (required a connector)

2024-03-23 [one-two-zone]: Local adaptation of variant araf for one-two-zone removed (cause:complexity)

2024-03-23 [nurisquare]: PinkHoodie combined variants araf and tasquare with Nurisquare - thank you!

2024-03-23 [nurikabe]: The newest variant araf was applied to Nurikabe by PinkHoodie!

2024-03-23 [isowatari]: ^puzzletters Variant isowataris hex by Anurag Sahay and simple-loop (plus with crossing) by PinkHoodie were added - thank you!

2024-03-23 [araf]: Anurag suggested implementing araf as variant, so both the variant and genre were added, including a small example puzzle from the author.

2024-03-22 [the-convoy]: PinkHoodie made a cloud-themed, one-clue walls variant puzzle!

2024-03-22 [one-two-zone]: Local variant invert, suggested by Kinoseidon, was added - thank you.

2024-03-22 [one-two-zone]: PinkHoodie, with the local invert variant, made a small classic/variant doppel pair

2024-03-22 [one-two-zone]: Three variant puzzles by Anurag Sahay: globals unshade-equal, unshade-no-vertex and local invert - thank you

2024-03-22 [isowatari]: PinkHoodie crafted the first every hex Isowatari, followed by another by Anurag Sahay!

2024-03-22 [decoration-tree]: The hex variant turns out to work well with deocration tree, as PinkHoodie discovered!

2024-03-21 [variants]: Global branching variants ramulo-unequal-lengths and ramulo-unequal-lengths-global added, after a suggestion by Anurag Sahay for Touching Tails

2024-03-21 [variants]: Variants in-row-symbols-min-N and in-row-symbols-max-N added.

2024-03-21 [one-two-zone]: A variant puzzle unshade-no-vertex by Anurag Sahay was added - thank you.

2024-03-21 [nurikabe]: Two hex puzzles by PinkHoodie, one using the new unshade-no-vertex variant were listed. Thank you!

2024-03-21 [akari-rgb]: ^puzzletters PinkHoodie sent a second antiking-unequal variant puzzle, showcasing an interesting deduction in a compact 9x9.

2024-03-20 [variants]: Global unshade-no-vertex added, a suggestion by Anurag Sahay

2024-03-20 [parrot-loop]: The hex variant now works well with Parrotloop

2024-03-20 [one-two-zone]: Two classics by PinkHoodie plus variant puzzles with shade-mino-max-N and unshade-number-area were added — the unshade-number-area variant name now works as expected - thank you.

2024-03-20 [nurikabe]: Two classics plus two shade-minesweeper variant puzzles by PinkHoodie were added; plus a classic, hex and a unshade-unique by Anurag Sahay thank you!

2024-03-20 [lohkous-scattered]: An area-no-multiple puzzle by PinkHoodie was added, for Enigmarch

2024-03-19 [variants]: Global variant unshade-number-area added (PinkHoodie)

2024-03-19 [variants]: Future global variant cell-to-block added, a suggestion by Anurag Sahay

2024-03-19 [tetro-stack]: 5381 sent an myopia wall Tetro Stack (prompting a small fix to the walls variant, and erasing one wrong puzzle) thank you!

2024-03-19 [tetro-stack]: Variant hex now works with Tetro Stack and Pentomino Puzzles, a suggestion by 5381

2024-03-18 [lighthouses]: Thanks to PinkHoodie for smithing a batch of 7 lighthouse puzzles, including two hex variant puzzles

2024-03-15 [turtle-shell-loop]: A longstanding missing check in the highlighter was added - segments may no longer escape the grid (PinkHoodie). Conversely, the variant escape has been added to restore this behaviour where needed.

2024-03-15 [parimony]: ^puzzletters PinkHoodie sent hex, territory-unique, territory-no-unique, territory-repeat and classic puzzles (8), and found an incorrectly assigned region, corrected. Thank you!

2024-03-14 [variants]: Variants territory-no-unique and territory-repeat-N were added, after an idea by PinkHoodie

2024-03-14 [variants]: Variants consecutive-lengths and non-consecutive-lengths added (this replaces the nicht-daneben variant, that will be deprecated) - an idea by dohz

2024-03-14 [parimony]: A territory-adjacent-area-consecutive variant puzzle by Anurag Sahay was added - thank you!

2024-03-13 [yajilin]: A second large batch of puzzles was sent by PinkHoodie, including doppels, and using new variants liar, knapp-daneben, shade-myopia, shade-hyperopia, among others!

2024-03-13 [touching-tails]: A full puzzle by PinkHoodie was created - thank you!

2024-03-13 [subwhirl]: Two puzzles by PinkHoodie revived Subwhirl; one using the no-crossing variant. The Enigmarch "wave" theme seems very fitting. Thank you!

2024-03-13 [rook-end-mazes]: PinkHoodie made great use of the walls variant in two puzzles, one for the Enigmarch "shield" prompt.

2024-03-13 [parimony]: Thanks to Jonymeister for suggesting and exploring the hex variant and to Skyeislime for noticing a missing sentence in the rules, just added.

2024-03-13 [parimony]: A territory-unique by Anurag Sahay and a hex by Pedro were added. Also, Random 8 and hutthutthutt found non-uniquenesses and proposed corrections, now shown

2024-03-12 [yajilin]: Variants liar and knapp-daneben added to Yajilin (but not yet globally)

2024-03-12 [yajilin]: Three edge-cases in the myopia-shade variant were corrected, thanks to three unit tests sent by PinkHoodie. Thank you!

2024-03-12 [rook-end-mazes]: A bug whereby the walls variant conflicted with loop checking was corrected for most genres, thanks to a great test case sent by PinkHoodie - thank you!

2024-03-11 [variants]: Variant myopia-shade was added, an ide by Anurag Sahay

2024-03-11 [yajilin]: A puzzle using the double variant was made by Anurag Sahay. Thank you!

2024-03-11 [yajilin]: Three new puzzle by PinkHoodie: one redactable directions, and two hexagonal puzzles using numeric clues hex and bouba. Thank you!

2024-03-11 [touching-tails]: A hex puzzle by Cerise Talis was added and a loopy edge case found by Casualjoe was fixed. Thank you!

2024-03-11 [masyu]: A classic-variant-doppel pair was made by 5381, named a "mutation puzzle". The chosen variant is vertigo.

2024-03-11 [isowatari]: Variants shade-myopia and shade-hyperopia were put to great use in the new pair of puzzles sent by PinkHoodie!

2024-03-10 [yajilin]: Variant redactable and redactable-false now also allow shading directions clues (inspired by an idea by PinkHoodie)

2024-03-10 [myopia]: Variants myopia and hyperopia now fully compatible with Yajilin and any other full genres (Anurag Sahay)

2024-03-09 [variants]: Variant family shade-mino-N, shade-mino-min-N and shade-mino-max-N created - from a suggestion by 5381

2024-03-09 [yajilin]: Tremendous thanks to PinkHoodie for embracing the Yajilin variants project from the onset. Four additional puzzles using variants short, shortest and hex were listed.

2024-03-08 [variants]: Variant family areas-empty-max-N / areas-empty-min-N was added

2024-03-08 [yajilin]: A bug on the hex variant, detected by PinkHoodie was fixed, thanks to a very good test case. Variant double was added.

2024-03-07 [yajilin]: Atomic variants redactable, redactable-false and composite variants transparent and transparent-strict were added. Thanks Jeffrey Bardon (IHNN), dohz and wormsofcan for a helpful discussion of existing variant names and name suggestions!

2024-03-07 [yajilin]: A "tile-visited" aux mark, suggested by PinkHoodie was added, alongside a no-shortest puzzle by the author!

2024-03-07 [masyu]: Two additional hex puzzles were shared by PinkHoodie, one of them for Enigmarch 2024

2024-03-07 [hasu-no-mura]: ^puzzletters PinkHoodie sent a puzzle using the new inarow-shade-no-N,inarow-unshade-no-N variant family, whose highlighting was upgraded today

2024-03-06 [variants]: Global variant family lines-N can be used to request a total number of (long)lines, thus promoting a former variant building block, as requested by 5381

2024-03-06 [variants]: Split global variant family inarow-shade-unshade-no-N, yielding inarow-shade-unshade-max-N, an intriguing suggestion by PinkHoodie, supported by useful unit tests.

2024-03-05 [dance-and-dance]: PinkHoodie's sent the third puzzle using the global walls variant - thank you!

2024-03-05 [brownies]: The hex variant is now fully compatible with Brownies, a suggestion by PinkHoodie, who also made variant rule panel and a puzzle!

2024-03-04 [trizone]: ^puzzletters Anurag Sahay sent a hex ´ variant puzzle!

2024-03-02 [rb-loop]: Two additional puzzles by PinkHoodie: one classic and one using the loop-to-path variant; style upgrade to line-of-sight

2024-03-01 [masyu]: Style tweaks to the double variant after feedback from Anurag Sahay

2024-02-29 [room]: In addition, PinkHoodie made a hex puzzle

2024-02-29 [masyu]: A double, hex and alternate Masyu puzzles were added by PinkHoodie, who also made the variant rule panel for double - thank you!

2024-02-28 [masyu]: Variant hex Masyu was added - thanks Jeffrey Bardon (IHNN) for help finding the appropriate ruleset

2024-02-28 [masyu]: Variant double Masyu by Anurag Sahay was added

2024-02-26 [slicy]: Anurag Sahay shared a double SLICY

2024-02-26 [masyu]: The rule panels for Masyu were brought to the modern format by Anurag Sahay, who also sent a full puzzle. Thank you!

2024-02-26 [ivy]: ^puzzletters Anurag Sahay made three Ivy puzzles and including one with the new branch-shallow variant

2024-02-25 [room]: The variant panel for hex Room Puzzles was made by PinkHoodie, and sketch lines were expanded to edge too.

2024-02-25 [masyu]: A unequal-lengths Masyu was made by Anurag Sahay - thank you!

2024-02-23 [variants]: Variant territory-shade-N subdivided; families territory-shade-area-N, territory-shade-blocks-N, territory-shade-block-area-N uniformised and moved to a separate Regional section.

2024-02-23 [the-convoy]: Two error-cases in the rule checker on the hex grid, found by PinkHoodie, led to an improvement to the snake rule, following now a geometry-agnostic approach, with a corresponding change in style.

2024-02-23 [slicy]: Variant alias double (slicy-specific) has been added for territory-shade-blocks-2 (general variant)

2024-02-23 [masyu]: A semi-complete Masyu was made by PinkHoodie - thank you!

2024-02-23 [anymino]: The genre-specific alias double (territory-shade-blocks-2 ) was added for Anymino too

2024-02-22 [estate-lawns]: Variant simple-loop now works with Estate Lawns without issues (thanks justkirb and PinkHoodie).

2024-02-21 [lohkous-scattered]: Two new puzzles by Anurag Sahay were received, including a hex variant

2024-02-21 [anymino]: A new, larger Anymino plus one using the territory-shade-blocks-2 variant was sent by Anurag Sahay - thank you!

2024-02-19 [variants]: Global variant meetmark-total , instpired by Path Puzzles, was added.

2024-02-16 [variants]: Global variant family territory-shade-blocks-2 to territory-shade-blocks-6 added (Anurag Sahay)

2024-02-15 [foreshadow]: Variant path-to-loop no longer broken, ans directional line mode added, in line with other directedloop genres, after feedback from PinkHoodie, whose puzzle was listed. Thank you!

2024-02-13 [hit-points]: Variant hit-counts by Anurag Sahay was added (currenlty local), alsongide a nice 5x5 puzzle. Thank you!

2024-02-12 [hex-turn]: All puzzles recovered the finish-optional rule, now added back as a variant (PinkHoodie)

2024-02-10 [slicy]: The puzzle that started variant family territory-shade-2 to territory-shade-6 was sent by PinkHoodie, alongside a unit test. Thank you!

2024-02-09 [achtelwenden]: In addition, the no-crossing variant panel was also made by PinkHoodie

2024-02-08 [variants]: Global variant family territory-shade-2 to territory-shade-6 added (PinkHoodie)

2024-02-02 [variants]: Global variants shade-minesweeper and kurodoko added

2024-02-02 [isowatari]: Local minesweeper variant added to Isowatari, an adaptation of the global shade-minesweeper variant for shading genres - an idea by Anurag Sahay.

2024-02-02 [isowatari]: The variant kurodoko was added globally (and adapted to Isowatari) - an idea by David Altizio (djmathman).

2024-02-01 [sudoku]: Variant panels for antiking and antiknight (Sudoku) were crafted by PinkHoodie - thank you!

2024-02-01 [skating]: ^puzzletters PinkHoodie sent two puzzles: a classic and one using the walls variant. Thank you!

2024-01-31 [variants]: Global variants antiking and antiknight revealed for number placement genres.

2024-01-28 [variants]: Global variants territory-square and territory-rectangle revealed (for a Numericlone puzzle by PinkHoodie).

2024-01-26 [room]: Clarified that absent and removed tiles do not block line of sight, for which an extra panel was sent by PinkHoodie - thank you! Also room was promoted to a variant: room

2024-01-25 [variants]: Global variants clues-missing and in-row-unique by Anurag Sahay Sahay were added, for LUZ Loop.

2024-01-25 [luz-loop]: A small example puzzle with variants clues-missing and in-row-unique was added, inspired by another puzzle by Anurag Sahay

2024-01-23 [x-sums]: dohz transcribed 4 puzzles using the newly implemented zero variant! Thank you.

2024-01-23 [estate-lawns]: simple-loop can now be used as a mashup variant, with Estate Lawns (Anurag Sahay)

2024-01-22 [estate-lawns]: Global variant unshade-equal-by-area was added, a suggestion by Anurag Sahay for Estate Lawns

2024-01-22 [estate-lawns]: minmax clues now have a distinct style to remind the solvers of their different meaning ( Anurag Sahay )

2024-01-22 [dance-and-dance]: PinkHoodie's two puzzles using the walls variant are now listed!

2024-01-20 [variants]: Global variants unshade-unique and unshade-equal kindly suggested by Anurag Sahay.

2024-01-20 [x-sums]: Variant zero added to X-sums

2024-01-20 [dance-and-dance]: The walls variant was improved to ensure that wall corners do not block a line (noticed by PinkHoodie)

2024-01-19 [variants]: Global variants shade-square and unshade-square added, following an idea from Anurag Sahay.

2024-01-19 [skating]: Global variant walls was added, an idea by TheJonyMyster (and others)

2024-01-18 [hasu-no-mura]: ^puzzletters PinkHoodie sent a puzzle using the minmax variant by Anurag Sahay, added today

2024-01-17 [variants]: Global variants shade-monomino, shade-domino, shade-tromino, shade-tetromino and shade-pentomino added. Thanks Anurag Sahay for suggesting.

2024-01-17 [following-suit]: following-suit promoted to variant! So it can be mixed with any loop genre.

2024-01-16 [crosswall]: Variant match-parity promoted to global, so it can now be used in genres such as Nurikabe Loop, a suggestion by PinkHoodie

2024-01-16 [clones]: Removed the tiles-remove-1 variant from the base genre, thus promoting it to a global variant

2024-01-14 [nurikabe-loop]: Variant nurikabe-loop fixed (a recent regression found by PinkHoodie)

2024-01-12 [variants]: An issue with the variant shade-diagonal-figure-unequal found by PinkHoodie was fixed.

2024-01-12 [variants]: Global variants shade-unique and shade-equal suggested Anurag Sahay were added.

2024-01-11 [xerophile]: Xerophile was reencoded, its ring was made distinct so that the genre could be promoted to variant xerophile

2024-01-10 [vertigo]: Variant ripple-loop can now be combined with all crossing genres, including Vertigo (thanks to PinkHoodie for sending a test case!)

2024-01-10 [unequaloop]: unequaloop promoted to a variant, with help from an interesting test case by PinkHoodie

2024-01-10 [ripple-loop]: The global ripple-loop variant was added at the same time as the genre was published; and the first puzzle, by PinkHoodie, was listed!

2024-01-10 [alcazar]: The meandering variant now uses a custom symbol, and was reencoded. Old urls will not be affected but may be updated.

2024-01-09 [soulmates]: The math variant is now fully compatible with soulmates, as empty cells near an operation are highlighted (PinkHoodie). A puzzle was added.

2024-01-08 [hidoku]: A math variant was devised, with a puzzle!

2024-01-05 [variants]: Variants kropki-total-white and kropki-total-black added for all number-placement genres - thanks dohz, Martin Ender (Menderbug) and PinkHoodie for feedback!

2024-01-05 [soulmates]: The kropki variant now works with hex - thanks PinkHoodie!

2024-01-05 [soulmates]: ^puzzletters PinkHoodie sent one classic and one kropki soulmates for listing!

2024-01-05 [hidoku]: PinkHoodie made a puzzle using the kropki variant!

2024-01-04 [variants]: Variant kropki added for all number-placement genres. A small diamond appears to emphasise that both tiles next to a kropki dot need a number - thanks Eli Doris (TwoHoleStraw)!

2024-01-03 [lohkous-scattered]: The hex variant now works correctly in lohkous.

2024-01-01 [rb-loop]: PinkHoodie made a hasu-no-mura mashup, combined with the recommended full-optional variant.

2024-01-01 [foreshadow]: ^puzzletters To mark the new year, PinkHoodie made a puzzle with the start optional variant.

2024-01-01 [cross-border-parity-loop]: A bug with the new loop-to-path variant found by PinkHoodie when making the puzzle that is now listed. Fixed. Thank you!

2024-01-01 [2023-12-puzzlesquarejp-advent]: Correction: full-optional is the name of the variant that drops the requirement for all tiles to be visited (PinkHoodie)

2023-12-31 [variants]: The adjacent-... family of meta-variants was added, modifying a limited number of genres (and variants)

2023-12-31 [variants]: Variants loop-to-path and path-to-loop added (an idea by Kays Ishaq (Kays) for foreshadow)

2023-12-31 [room]: PinkHoodie found an incorrectly checking edge-case (fixed) and sent a lohkous mashup! Thank you.

2023-12-30 [hidoku]: Added variants adjacent-knight, adjacent-ortho with a set of puzzles by PinkHoodie - thank you!

2023-12-29 [chess-path]: Reframed Chess Snake as the snake variant of Chess Path

2023-12-28 [variants]: Variant yajilin added, to encompass a vertigo mashup puzzle sent to Endagorion; variant tasquare added as well (PinkHoodie)

2023-12-28 [soulmates]: Variant hex now highlights correctly in Soulmates - PinkHoodie sent the original Soulmates hex variant puzzle for listing!

2023-12-25 [lohkous-scattered]: ^puzzletters PinkHoodie sent a second, larger territory-numbers-unique puzzle.

2023-12-25 [ivy]: An Ivy-hasu-no-mura mashup was sent by PinkHoodie.

2023-12-25 [clones]: A puzzle making use of the new divide-4 variant was made by PinkHoodie

2023-12-24 [rook-end-mazes]: The dead-end rule was extracted to a variant, for path genres, and its styling improved. The walls variant now works as expected.

2023-12-22 [variants]: Variant territory-numbers-unique added, a suggestion by PinkHoodie

2023-12-22 [lohkous-scattered]: The rule panels were remade by PinkHoodie to align them to the more modern format. PinkHoodie also sent two puzzles, on eusing the newly added territory-numbers-unique rule.

2023-12-21 [thats-not-right]: A new puzzle using the finish-optional variant was sent by PinkHoodie - thank you!

2023-12-21 [lohkous-scattered]: Variant lohkous can now be used to modify number clues so they enforce the Lohkous (scattered) constraint

2023-12-20 [variants]: Building blocks start-optional and finish-optional added as a consequence of an observation by PinkHoodie

2023-12-20 [rb-loop]: Variant no-shade added (replaces usage of full variant, which was already included by default in the base rules of RB Loop)

2023-12-19 [variants]: Variant shade-loop added

2023-12-19 [square-jam]: ^puzzletters PinkHoodie sent a second chopped variant puzzle. Thank you!

2023-12-19 [nurisquare]: Variant Aqre by PinkHoodie was added, alongside a puzzle!

2023-12-19 [nura-knight]: A puzzle using the newly created aqre variant was sent by PinkHoodie!

2023-12-19 [hasu-no-mura]: the variant context by Solyu was added to Hasu no Mura today; while Aqre by PinkHoodie was added globally, and a puzzle by PinkHoodie combined both variants!

2023-12-19 [hasu-no-mura]: The shade-loop variant was added with a puzzle by PinkHoodie

2023-12-19 [2-3-mazes]: A palindrome-lengths variant puzzle was sent by PinkHoodie, illustrating how length is defined in this variant.

2023-12-18 [variants]: Variants area-no-multiple-3, etc… (2-6) added, a suggestion by PinkHoodie. This page was updated.

2023-12-18 [numericlone]: The numbered-tiles variant was combined with Numericlone, an intriguing idea by PinkHoodie

2023-12-18 [ivy]: Variant branch-no-adjacent by PinkHoodie was added globally, with a companion puzzle here in Ivy.

2023-12-18 [alcazar]: Variant meandering as suggested by Solyu, was added! Between two circles, the line must turn at least twice.

2023-12-17 [variants]: Variants divide-2, divide-3 etc… (up to 6)-were added (PinkHoodie)

2023-12-17 [tricklayer]: Suggestion by Anurag Sahay: the variant territory-adjacent-area-consecutive was added to tricklayer (and similar genres), so now all rectangles must have at least one adjacent rectangle with an area differing by 1 tile

2023-12-17 [clones]: The hex variant now works with clones! Andz the original puzzle by PinkHoodie for the new divide-3 variant has been listed!

2023-12-15 [variants]: Variant palindrome-lengths added, promoting the genre Palindrome Path.

2023-12-15 [variants]: Variants shade-diagonal-area-unequal and shade-diagonal-figure-unequal added.

2023-12-15 [nurisquare]: Variant shade-diagonal-area-unequal, first suggested by PinkHoodie, was added

2023-12-14 [tricklayer]: Added the variant chopped to tricklayer, so now all rectangles must be at least 2 tiles thick and have one corner tile removed! Minor style changes. Fixed a regression found by PinkHoodie - thank you!

2023-12-13 [square-jam]: The newly implemented variant chopped by Anurag Sahay uses squares (size 2 and above) with one cell chopped off at the corner.

2023-12-13 [bonsai]: The variant loop-allowed was added to Arvi Teikari (Hempuli)'s looping puzzle, as suggested by PinkHoodie

2023-12-11 [ice-dance-pair]: : PinkHoodie kindly sent a masyu-merged variant Ice Dance Pair puzzle

2023-12-11 [cross-border-parity-loop]: ^puzzletters PinkHoodie sent a puzzle to mark the hex variant of Cross Border Parity Loop

2023-12-06 [ice-dance-pair]: : Fixed a regression on the masyu-merged variant (PinkHoodie)

2023-12-02 [boomerangs]: Hex Boomerangs was merged into Boomerangs, using the hex variant; style improvements

2023-12-02 [akari-rgb]: Variant-of-variant antiking-equal added with a huge puzzle by PinkHoodie - thank you!

2023-11-28 [variants]: Variants numbered-lengths and numbered-tiles added (initially, only for genres already containing numbers) - thanks PinkHoodie

2023-11-20 [variants]: Variant tatami was fixed (PinkHoodie)

2023-11-19 [dance-and-dance]: The vertigo variant is now fully compatible with Dance & Dance (including crossing at triangles) - thanks PinkHoodie!

2023-11-18 [variants]: Variants no-short, no-shortest added (PinkHoodie)

2023-11-16 [simple-loop]: The vertigo variant by Endagorion was added!

2023-11-13 [variants]: The variant full aggregates prior variants fillboard and fillboard-dots. Thanks PinkHoodie for sparking the merge.

2023-10-26 [akari-rgb]: Three additional puzzles by Wisteria Fall and Eli Doris (TwoHoleStraw) were added, including the antiking variant! Difficulties revised.

2023-09-22 [simple-loop]: Added the variants hex by scor and kiki by Martin Ender (Menderbug)

2023-09-19 [import-penpa]: Numbers can be extracted from the title using the basic hashtag format #3. Genre prediction improved. (thanks Wen!)

2023-09-18 [simple-loop]: Added the variant directions by ミレイ (Millay Nagatsuki)

2023-09-08 [simple-loop]: Added the crossing variant, and gathered all other simple loop variants in this page

2023-07-08 [achtelwenden]: no-crossing variant added (Solyu). Thanks to Martin Ender (Menderbug) for finding a non-uniqueness, fixed

2023-05-31 [version-history]: V.29 Variant encoding &V=; Movement input mode; Multi-genre pages; Alternate shortcuts; Standardised encoding of absent tiles to x; middleclick for edit/solve mode togggling; Finer control of aux mark interaction with lines/symbols; Style given/solve lines differently; Detatch panel explanations from highlighting rules

2022-12-09 [retrospective]: - Upon solving a puzzle, a small timer will show up the elapsed time, in the format MM:SS (minutes, seconds) - (Chiel Beenhakker (bakpao))

2022-11-01 [limbs]: Thanks to Blaž Urban Gracar for finding a major omission in the fillimbs variant implementation, now fixed.

2023-10-17 Several pages, included this one, restored after an ongoing internal site reorganization.

2024-03-16 Searchable News

2024-11-01 News items are again divided in months

News April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 August 2022 July 2022 June 2022 May 2022 April 2022 March 2022 February 2022 December 2021 November 2021 October 2021 September 2021 August 2021 July 2021 June 2021 May 2021 April 2021 March 2021 February 2021 January 2021 December 2020 November 2020 October 2020 September 2020 August 2020 July 2020 June 2020 May 2020 April 2020 March 2020 February 2020 January 2020 December 2019 November 2019 October 2019 September 2019 August 2019 July 2019 June 2019 May 2019 January 2019 October 2018 September 2018 May 2018 Changes