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 80th stefangimmillaro 891 244 38ms 26 Dec 2024 82nd emplv 🇱🇻 891 278 15ms 22 Dec 2023 83rd ZakkkkAttackkkk 🇵🇭 888 290 23ms 23 Oct 2023 84th Shanethegamer 🇺🇸 888 383 3ms 23 Oct 2024 85th o0lit3 🇺🇸 886 232 4ms 9 Jan 2024 86th TeodorDyakov 🇧🇬 886 330 766ms 16 Jan 2026 87th edsrzf 🇳🇿 883 375 369ms 12 Sep 2025 88th edsrzf 🇳🇿 883 377 8ms 20 Oct 2025 89th ovs-code 🇩🇪 883 404 17ms 4 Jul 2024 90th saito-ta 🇯🇵 882 292 2ms 19 Mar 2025 91st deflatSOCO 879 293 12ms 5 Jun 2019 91st duckyluuk 🇳🇱 879 293 34ms 2 Apr 2024 93rd edsrzf 🇳🇿 878 398 141ms 22 days ago 94th Shanethegamer 🇺🇸 877 368 118ms 9 Apr 2024 95th blaztoma 🇱🇹 876 399 178ms 22 days ago 96th SirBogman 🇺🇸 876 442 53ms 27 Nov 2023 97th Shanethegamer 🇺🇸 874 454 1,461ms 23 Oct 2024 98th SirBogman 🇺🇸 873 198 5ms 20 Nov 2023 99th MeWhenI 🇻🇦 873 249 44ms 11 days ago 100th stefangimmillaro 873 263 1,820ms 15 Oct 2023 101st cntkillme 873 347 2ms 7 Feb 2021 102nd vlpx 🇫🇮 872 284 16ms 1 Aug 2024 103rd SirBogman 🇺🇸 872 321 5ms 14 Nov 2021 104th canissimia 🇦🇶 871 353 11ms 13 Mar 2025 105th neel11235813 870 296 40ms 30 Mar 2024 105th bzijlema 🇳🇱 870 296 22ms 26 Jan 2026 107th edsrzf 🇳🇿 868 445 33ms 1 Feb 2026 108th dokutan 867 277 880ms 13 days ago 109th nwellnhof 🇩🇪 867 297 2ms 31 Aug 2021 110th Shanethegamer 🇺🇸 865 385 8ms 20 Oct 2025 111th snoozingnewt 🇨🇦 864 278 730ms 22 days ago 112th stefangimmillaro 864 298 11ms 15 Oct 2023 112th ryyyn 🇺🇸 864 298 31ms 13 Nov 2025 114th ovs-code 🇩🇪 863 309 637ms 22 Mar 2025 115th MeWhenI 🇻🇦 863 372 346ms 10 Jan 2025 116th duckyluuk 🇳🇱 861 279 789ms 10 Apr 2024 117th anter69 🇭🇺 861 299 19ms 2 Apr 2022 118th Irratix 🇳🇱 860 288 12ms 15 Sep 2022 119th ovs-code 🇩🇪 858 355 220ms 4 Apr 2024 120th CLOStrophobic 🇮🇹 857 386 7ms 3 Mar 2025 121st edsrzf 🇳🇿 855 464 5ms 28 Feb 2025 122nd 5cw 🇺🇸 853 302 22ms 9 Jul 2025 122nd KasperKivimaeki 🇫🇮 853 302 2ms 10 Nov 2025 124th nwellnhof 🇩🇪 853 319 76ms 9 Jan 2022 125th UnderKoen 🇳🇱 852 559 7ms 20 Jan 2025 126th tomtheisen 🇺🇸 851 291 13ms 4 Dec 2020 127th SirBogman 🇺🇸 851 294 339ms 25 Mar 2024 128th 386asm 🇺🇸 850 499 45ms 19 Apr 2023 129th stefangimmillaro 849 355 209ms 16 Oct 2023 130th Shanethegamer 🇺🇸 849 376 611ms 27 Oct 2023 131st lynn 847 304 20ms 23 Oct 2023 132nd MeWhenI 🇻🇦 846 731 1,912ms 7 Nov 2025 133rd primo-ppcg 🇹🇭 845 632 12ms 13 Aug 2025 134th neel11235813 843 285 696ms 30 Mar 2024 135th davecame 842 306 12ms 17 Sep 2025 136th emgordon154 840 200 69ms 21 Nov 2025 137th Bubbler-4 839 206 5ms 8 Feb 2023 138th primo-ppcg 🇹🇭 839 290 41ms 18 Jul 2020 139th SirBogman 🇺🇸 837 233 43ms 19 Nov 2023 140th TeodorDyakov 🇧🇬 837 296 15ms 19 Jan 2026 141st typeswitch-dev 🇵🇹 837 595 6ms 21 Aug 2025 142nd SirBogman 🇺🇸 836 308 33ms 27 Nov 2023 142nd jatloe 836 308 17ms 20 Nov 2025 142nd TeodorDyakov 🇧🇬 836 308 2ms 19 Jan 2026 145th Shanethegamer 🇺🇸 835 614 1,765ms 9 Apr 2025 146th user189032 834 297 16ms 29 May 2019 147th snoozingnewt 🇨🇦 834 419 122ms 26 Dec 2025 148th TeodorDyakov 🇧🇬 830 324 442ms 26 Jan 2026 149th ovs-code 🇩🇪 830 525 11ms 9 Jul 2024 150th AlephSquirrel 829 399 9ms 27 Feb 2025 151st lynn 828 385 153ms 23 Oct 2023 152nd canissimia 🇦🇶 825 739 8ms 2 Apr 2022 153rd edsrzf 🇳🇿 824 367 390ms 7 Sep 2025 154th lifthrasiir 🇰🇷 823 210 5ms 29 Nov 2024 155th lynn 823 292 781ms 17 Feb 2024 156th stefangimmillaro 821 356 741ms 6 Oct 2025 157th LostSyntax21 🇬🇧 820 604 10ms 18 days ago 158th Bubbler-4 819 238 39ms 16 Dec 2021 159th Shanethegamer 🇺🇸 818 315 18ms 27 Oct 2023 160th MeWhenI 🇻🇦 818 858 73ms 6 Aug 2024 First Prev 81–160 of 575 Next Last