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 1st ovs-code 🇩🇪 1,000 168 53ms 22 Mar 2025 2nd ovs-code 🇩🇪 994 174 4ms 28 Mar 2024 3rd saito-ta 🇯🇵 982 171 40ms 21 Mar 2025 4th JayXon 🇺🇸 976 264 31ms 24 Mar 2025 5th ovs-code 🇩🇪 972 265 66ms 23 Mar 2025 6th ovs-code 🇩🇪 970 201 36ms 26 Mar 2024 7th nwellnhof 🇩🇪 968 210 220ms 2 Jun 2024 8th JayXon 🇺🇸 968 256 11ms 1 Apr 2024 9th ovs-code 🇩🇪 967 225 41ms 30 Mar 2024 10th saito-ta 🇯🇵 965 213 4ms 8 Mar 2025 11th lyphyser 963 206 66ms 15 Feb 2024 12th JayXon 🇺🇸 961 250 701ms 21 Jun 2024 12th pardouin 🇫🇷 961 250 591ms 25 Jun 2024 14th pardouin 🇫🇷 961 268 33ms 3 Apr 2024 15th ovs-code 🇩🇪 959 226 768ms 23 May 2024 16th JayXon 🇺🇸 958 227 39ms 28 Dec 2024 17th ovs-code 🇩🇪 953 260 11ms 23 Mar 2025 18th JayXon 🇺🇸 951 228 690ms 23 May 2024 19th JayXon 🇺🇸 949 242 1,720ms 6 Apr 2024 20th primo-ppcg 🇹🇭 947 217 7ms 22 May 2022 21st ovs-code 🇩🇪 947 272 2ms 24 Mar 2025 21st MeWhenI 🇻🇦 947 272 32ms 15 days ago 23rd JayXon 🇺🇸 947 284 496ms 10 Apr 2024 24th ovs-code 🇩🇪 946 254 599ms 22 Mar 2025 25th primo-ppcg 🇹🇭 945 215 337ms 5 Oct 2020 26th ovs-code 🇩🇪 945 243 2,165ms 30 Mar 2024 27th canissimia 🇦🇶 942 237 8ms 23 Feb 2026 28th hallvabo 🇳🇴 937 275 30ms 23 Oct 2023 29th Steffan153 🇫🇮 934 257 2,799ms 21 Feb 2026 30th bitsandbeyond 🇳🇱 934 268 347ms 15 Oct 2025 31st Seek64 🇩🇪 933 276 29ms 24 Feb 2026 32nd JayXon 🇺🇸 932 260 185ms 28 Oct 2024 33rd saito-ta 🇯🇵 932 261 16ms 9 Mar 2025 34th JayXon 🇺🇸 931 314 814ms 27 Sep 2025 35th pardouin 🇫🇷 930 247 1,919ms 13 Aug 2025 36th bizy-coder 930 277 18ms 7 Aug 2023 37th ovs-code 🇩🇪 929 293 68ms 24 Mar 2025 38th ovs-code 🇩🇪 928 254 5ms 30 Oct 2024 39th primo-ppcg 🇹🇭 928 283 7ms 4 Jul 2023 40th JayXon 🇺🇸 928 326 378ms 8 Apr 2024 41st ovs-code 🇩🇪 927 256 239ms 24 Mar 2025 42nd JayXon 🇺🇸 925 268 140ms 12 Apr 2024 43rd Sp3000 🇦🇺 924 303 5ms 4 Nov 2023 44th Steffan153 🇫🇮 923 279 36ms 3 Jul 2024 45th JayXon 🇺🇸 923 289 481ms 12 Apr 2024 46th JayXon 🇺🇸 920 331 192ms 7 Apr 2024 47th sean-niemann 🇺🇸 918 237 35ms 15 Oct 2025 48th edsrzf 🇳🇿 918 330 2ms 6 Oct 2025 49th JayXon 🇺🇸 916 329 180ms 20 Nov 2023 50th ovs-code 🇩🇪 915 265 191ms 23 Mar 2025 51st Steffan153 🇫🇮 914 238 39ms 29 May 2024 51st pardouin 🇫🇷 914 238 43ms 13 Aug 2025 53rd ovs-code 🇩🇪 914 349 185ms 24 Mar 2025 54th sisyphus-ppcg 🇦🇺 913 225 6ms 16 Sep 2022 55th edsrzf 🇳🇿 913 263 2,685ms 21 Feb 2026 56th o0lit3 🇺🇸 911 272 13ms 12 Jan 2024 57th JayXon 🇺🇸 907 315 183ms 24 May 2025 58th bizy-coder 906 265 883ms 17 Jan 2024 59th primo-ppcg 🇹🇭 904 254 2,182ms 24 Mar 2021 60th edsrzf 🇳🇿 904 353 424ms 6 Oct 2025 61st primo-ppcg 🇹🇭 901 275 13ms 5 Oct 2020 61st nwellnhof 🇩🇪 901 275 12ms 31 Aug 2021 63rd Flekay 🇩🇪 901 286 16ms 25 days ago 63rd snoozingnewt 🇨🇦 901 286 19ms 25 days ago 63rd dokutan 901 286 17ms 17 days ago 63rd aksyristos 901 286 17ms 3 days ago 67th edsrzf 🇳🇿 901 317 3ms 12 Sep 2025 68th Steffan153 🇫🇮 900 267 653ms 12 Feb 2026 69th btnlq 897 287 14ms 18 Oct 2020 69th bricknellj 897 287 10ms 15 Mar 2023 69th sean-niemann 🇺🇸 897 287 32ms 30 Jul 2024 72nd primo-ppcg 🇹🇭 897 329 17ms 16 Feb 2022 73rd antimon2 🇯🇵 896 242 1,541ms 5 Apr 2024 74th edsrzf 🇳🇿 896 369 11ms 20 Oct 2025 75th Kacarott 🇦🇺 895 313 84ms 26 Nov 2025 76th sean-niemann 🇺🇸 893 269 645ms 30 Jul 2024 77th saito-ta 🇯🇵 892 345 14ms 14 Mar 2025 78th primo-ppcg 🇹🇭 891 244 40ms 13 Dec 2020 78th stefangimmillaro 891 244 38ms 26 Dec 2024 80th emplv 🇱🇻 891 278 11ms 22 Dec 2023 1–80 of 572 Next Last