The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. 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 161st stefangimmillaro 815 330 540ms 23 Oct 2023 162nd Shanethegamer 🇺🇸 814 406 7ms 18 Jan 2025 163rd edsrzf 🇳🇿 813 665 48ms 15 Oct 2024 164th GrayJoKing 🇦🇺 809 251 187ms 1 Dec 2020 164th SirBogman 🇺🇸 809 251 202ms 10 Nov 2021 166th SirBogman 🇺🇸 809 297 758ms 21 Jan 2024 167th tomtheisen 🇺🇸 808 333 465ms 21 Nov 2021 168th Yewzir 🇧🇪 807 766 1,889ms 21 Nov 2025 169th primo-ppcg 🇹🇭 805 320 20ms 10 Jan 2021 170th nwellnhof 🇩🇪 802 243 42ms 7 Sep 2021 171st TFeld00 🇩🇰 797 323 17ms 5 Oct 2020 172nd Laksen 🇩🇰 796 882 65ms 8 Jul 2021 173rd Shanethegamer 🇺🇸 795 302 600ms 18 Jan 2024 174th ahmetdemirag 🇨🇾 795 324 12ms 12 Aug 2024 174th kg583 🇺🇸 795 324 17ms 12 Feb 2026 176th lynn 795 499 1,616ms 26 Oct 2021 177th stefangimmillaro 794 312 20ms 23 Oct 2023 178th kg583 🇺🇸 793 303 823ms 12 Feb 2026 179th KrausRaus 🇺🇸 789 314 15ms 25 Mar 2021 180th CornerMercury 🇬🇧 788 327 18ms 24 Nov 2025 181st CatsAreFluffy 787 252 58ms 13 Feb 2024 182nd TeodorDyakov 🇧🇬 787 346 1,537ms 19 Jan 2026 183rd stefangimmillaro 787 492 44ms 23 Oct 2023 184th Artemis21 🇬🇧 785 328 17ms 21 Dec 2024 185th ovs-code 🇩🇪 783 358 99ms 12 Sep 2024 186th jared-hughes 781 330 21ms 11 Sep 2022 187th KasperKivimaeki 🇫🇮 778 350 616ms 20 Nov 2025 188th AlephSquirrel 777 641 4ms 14 May 2025 189th annaproxy 774 333 18ms 17 Sep 2022 190th kops-cg 774 461 18ms 18 Mar 2025 191st anter69 🇭🇺 771 282 36ms 15 Feb 2023 192nd solisolu 771 334 2ms 26 Feb 2026 193rd stefangimmillaro 765 324 147ms 23 Oct 2023 194th blaztoma 🇱🇹 764 337 19ms 26 Dec 2025 195th janbehrens 🇩🇪 762 338 12ms 28 Oct 2023 196th MeWhenI 🇻🇦 762 3,401 10ms 13 Aug 2021 197th AGoyet 760 339 19ms 28 Jul 2022 198th Shanethegamer 🇺🇸 758 286 771ms 5 Dec 2023 199th solmyr2000 758 359 83ms 20 Jun 2022 200th SirBogman 🇺🇸 755 288 38ms 27 Nov 2023 201st tayloia 🇬🇧 755 328 14ms 11 Jan 2023 202nd Sp3000 🇦🇺 753 342 18ms 11 May 2021 202nd neihousaigaai 753 342 13ms 20 May 2021 202nd NewDefectus 🇮🇱 753 342 2ms 22 Mar 2024 205th daedals 751 343 17ms 31 May 2019 205th solmyr2000 751 343 2ms 20 Jun 2022 207th Shanethegamer 🇺🇸 751 393 1,024ms 23 Oct 2024 208th Irratix 🇳🇱 749 344 18ms 26 Apr 2022 208th Pyroan 749 344 17ms 3 Jan 2026 210th albanian-laundromat 747 455 3ms 26 Nov 2025 211th Shanethegamer 🇺🇸 745 292 43ms 16 Jan 2025 212th abailey2020 🇺🇸 744 346 19ms 13 Dec 2020 213th stefangimmillaro 743 407 362ms 15 Oct 2023 214th dmrichwa 🇺🇸 742 334 15ms 23 Sep 2023 215th user189032 741 430 158ms 29 May 2019 216th Shanethegamer 🇺🇸 738 311 1,725ms 27 Oct 2023 217th ndren 738 349 18ms 26 Nov 2025 218th rucin93 🇵🇱 737 336 12ms 29 Nov 2025 219th Shanethegamer 🇺🇸 735 363 628ms 11 Apr 2024 220th janbehrens 🇩🇪 733 338 13ms 28 Oct 2023 221st lynn 733 527 36ms 18 Jul 2023 222nd emgordon154 732 352 17ms 18 Jul 2025 223rd Waffle3z 727 417 2ms 8 Oct 2022 224th MeWhenI 🇻🇦 726 393 3ms 13 Oct 2023 225th primo-ppcg 🇹🇭 725 371 524ms 21 Nov 2021 226th stefangimmillaro 725 420 278ms 23 Oct 2023 227th inventshah 724 356 31ms 15 Nov 2022 228th snoozingnewt 🇨🇦 722 329 257ms 21 Nov 2025 229th MeWhenI 🇻🇦 720 319 1,790ms 9 Mar 2023 230th Shanethegamer 🇺🇸 719 419 885ms 27 Oct 2023 231st albanian-laundromat 719 713 1,745ms 28 Oct 2025 232nd sean-niemann 🇺🇸 718 345 10ms 21 Jan 2025 233rd Shanethegamer 🇺🇸 718 398 187ms 24 May 2025 234th JDiLenarda 🇫🇷 718 553 1,666ms 3 Jan 2021 235th primo-ppcg 🇹🇭 717 408 728ms 22 Oct 2021 236th andersk 🇺🇸 715 426 271ms 20 Nov 2022 237th Salutations45 713 313 6ms 5 Oct 2025 238th emgordon154 713 337 694ms 2 May 2025 239th DialFrost 🇸🇬 712 362 11ms 22 May 2024 240th Shanethegamer 🇺🇸 711 352 295ms 27 Oct 2023 First Prev 161–240 of 575 Next Last