The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 24 hours. Why not try and solve them ahead of time?
Poker in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st msbranicky 521 581 375ms 10 Jan 2025 402nd Shanethegamer 🇺🇸 521 584 491ms 27 Oct 2023 403rd junkondo-jp 519 477 11ms 27 Jun 2024 404th fleischa 519 518 511ms 21 Nov 2021 405th JOrE20 517 479 13ms 21 Feb 2026 406th amollberg 🇸🇪 517 498 22ms 16 Jan 2022 407th MeWhenI 🇻🇦 517 508 6ms 3 Jul 2023 408th msbranicky 516 499 19ms 15 Jul 2023 409th MeWhenI 🇻🇦 515 518 504ms 28 Feb 2022 410th msrawson 514 501 12ms 31 Aug 2018 411th rollershutter 510 505 18ms 20 Mar 2025 412th dokutan 508 652 4ms 27 Dec 2025 413th MeWhenI 🇻🇦 506 479 205ms 25 Oct 2024 414th CaedenHarper 🇨🇦 506 490 12ms 29 Aug 2025 415th MeWhenI 🇻🇦 505 442 55ms 12 Nov 2022 416th tomh1012 504 511 18ms 25 days ago 417th tatzyr 🇯🇵 503 432 38ms 26 Feb 2025 418th twocatsinatrenchcoat 502 513 12ms 16 Apr 2022 419th MeWhenI 🇻🇦 502 635 412ms 26 Aug 2023 420th edre 501 514 19ms 29 Jul 2018 421st MeWhenI 🇻🇦 500 571 163ms 3 days ago 422nd roguh 🇬🇹 499 516 2ms 14 Jan 2024 423rd Mabeloid 🇳🇴 494 522 3ms 28 Sep 2024 424th SpareManiKatti 489 507 15ms 19 Apr 2022 425th SmartK8 🇨🇿 489 550 510ms 30 Oct 2022 426th TheZwierzLF 🇵🇱 488 446 39ms 6 Jan 2026 427th MeWhenI 🇻🇦 487 529 2ms 7 May 2023 428th ShiraJoseph 🇺🇸 486 510 13ms 20 Jan 2023 429th vonKrafft 486 530 12ms 26 Mar 2020 430th mathisfun271 484 532 19ms 17 Feb 2024 431st janga1 481 535 17ms 20 Aug 2021 432nd msbranicky 480 500 1,139ms 17 Jan 2024 433rd jchitel 479 517 14ms 25 Sep 2020 434th hyvyys 479 538 38ms 15 Jul 2019 435th MeWhenI 🇻🇦 477 695 4ms 2 Oct 2022 436th guliyevemil1 🇦🇿 476 636 375ms 3 Feb 2021 437th MeWhenI 🇻🇦 475 512 40ms 18 Nov 2023 438th MeWhenI 🇻🇦 474 528 277ms 3 Mar 2023 439th MeWhenI 🇻🇦 468 762 24ms 17 Nov 2021 440th nfl-odoo 467 551 18ms 7 Jun 2019 441st Argeento 🇵🇱 465 533 12ms 25 Aug 2023 442nd janbehrens 🇩🇪 462 527 37ms 28 Oct 2023 443rd MeWhenI 🇻🇦 462 659 283ms 17 Sep 2021 444th MeWhenI 🇻🇦 461 700 121ms 26 May 2022 445th Pena86 458 562 12ms 19 Mar 2021 446th jaredcrystal 🇺🇸 456 477 37ms 14 Dec 2020 447th ericlangedijk 🇸🇮 455 591 574ms 23 May 2023 448th alemelis 454 567 19ms 29 Aug 2024 449th evan18c 453 568 14ms 15 Sep 2023 450th tomh1012 452 595 560ms 25 days ago 451st fajost 451 571 13ms 10 Sep 2020 452nd janbehrens 🇩🇪 449 458 4ms 28 Oct 2023 453rd MeWhenI 🇻🇦 449 606 514ms 2 Jan 2022 454th rambox11 446 555 16ms 14 Dec 2019 455th RaBa21 🇭🇺 446 577 21ms 1 Aug 2025 456th MaxElf999 445 579 12ms 29 May 2022 457th emgordon154 444 558 12ms 2 Aug 2024 458th PyryL 🇫🇮 443 582 11ms 22 Aug 2024 459th frobinsonj 440 563 12ms 12 Dec 2019 460th KevinMarquette 🇺🇸 439 570 320ms 7 Jun 2020 461st SniperSmiley 🇺🇸 439 587 13ms 8 Jul 2022 461st yuchuehw 439 587 25ms 6 Jan 2024 463rd TheZwierzLF 🇵🇱 437 589 12ms 13 Dec 2025 464th pkasting 433 595 2ms 8 Sep 2020 465th yokasuretsu 432 470 236ms 6 Jan 2025 466th adoxography 432 504 37ms 3 Apr 2022 467th dsntzn 🇸🇰 432 574 15ms 11 Sep 2020 468th Maashau 429 600 2ms 2 Dec 2025 469th dokutan 429 707 2ms 10 Apr 2025 470th emgordon154 428 567 201ms 23 Nov 2024 471st jerrandolph 427 709 334ms 25 Sep 2025 472nd robin-scragg 426 604 18ms 26 Aug 2025 473rd MeWhenI 🇻🇦 425 483 3ms 21 Mar 2024 474th ridingqwerty 🇺🇸 424 607 19ms 13 Dec 2023 475th alemelis 422 569 863ms 28 Aug 2024 476th MeWhenI 🇻🇦 418 725 2ms 20 Feb 2023 477th iczelia 🇩🇪 409 605 13ms 24 Oct 2025 478th Babafaba 409 630 19ms 24 Nov 2025 479th wh3n3v3r 🇨🇿 407 633 14ms 13 Nov 2024 480th Natanaelel 🇸🇪 405 788 174ms 27 Jun 2025 First Prev 401–480 of 572 Next Last
