The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 2 days. Why not try and solve them ahead of time?
Game of Life 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 38 2ms 5 Nov 2023 1st Steffan153 🇫🇮 1,000 38 2ms 17 Aug 2024 1st sean-niemann 🇺🇸 1,000 38 2ms 29 Dec 2024 1st 2bular 1,000 38 2ms 21 Jan 2025 5th primo-ppcg 🇹🇭 975 44 58ms 13 Feb 2023 6th ovs-code 🇩🇪 964 50 31ms 24 Feb 2023 6th 2bular 964 50 31ms 20 days ago 8th xsot 🇸🇬 964 103 329ms 1 Jul 2025 8th m-tkach 🇺🇦 964 103 346ms 1 Jul 2025 8th ssiquoya 🇷🇺 964 103 333ms 24 Aug 2025 8th nwellnhof 🇩🇪 964 103 342ms 6 Nov 2025 12th JayXon 🇺🇸 954 104 13ms 1 Jul 2025 13th JayXon 🇺🇸 950 92 11ms 13 Dec 2023 14th JayXon 🇺🇸 943 73 51ms 13 Dec 2023 14th Steffan153 🇫🇮 943 73 46ms 26 Feb 2026 16th JayXon 🇺🇸 932 93 544ms 1 Jul 2025 17th KasperKivimaeki 🇫🇮 932 104 5ms 7 Sep 2024 17th JayXon 🇺🇸 932 104 2ms 28 Aug 2025 19th sisyphus-ppcg 🇦🇺 931 70 4ms 22 Dec 2022 19th saito-ta 🇯🇵 931 70 9ms 26 Dec 2022 21st JayXon 🇺🇸 929 98 400ms 22 Jul 2023 22nd btnlq 928 107 12ms 23 Dec 2022 23rd zacjl 927 41 2ms 29 Sep 2024 24th Daniikk1012 927 52 32ms 1 Nov 2025 25th JayXon 🇺🇸 927 121 134ms 16 Apr 2023 25th edsrzf 🇳🇿 927 121 124ms 19 Sep 2025 25th Steffan153 🇫🇮 927 121 131ms 2 days ago 28th edsrzf 🇳🇿 920 95 13ms 2 Nov 2025 29th CatsAreFluffy 918 62 48ms 26 Dec 2022 29th lyphyser 918 62 46ms 22 Dec 2023 31st sisyphus-ppcg 🇦🇺 918 75 53ms 22 Dec 2022 31st xsot 🇸🇬 918 75 47ms 2 Jul 2025 33rd JayXon 🇺🇸 916 83 1,894ms 1 Jan 2023 34th saito-ta 🇯🇵 913 47 76ms 28 Dec 2022 35th GrayJoKing 🇦🇺 911 74 271ms 3 Dec 2025 36th stefangimmillaro 911 100 392ms 2 Jul 2023 37th nwellnhof 🇩🇪 910 77 316ms 10 Oct 2024 38th edsrzf 🇳🇿 910 88 8ms 3 Nov 2025 39th nwellnhof 🇩🇪 910 96 11ms 27 Dec 2022 40th JayXon 🇺🇸 909 86 1,297ms 27 Dec 2022 40th edsrzf 🇳🇿 909 86 1,229ms 29 Oct 2025 40th Steffan153 🇫🇮 909 86 1,331ms 30 hours ago 43rd KasperKivimaeki 🇫🇮 909 130 450ms 21 Nov 2024 43rd JayXon 🇺🇸 909 130 76ms 28 Aug 2025 45th JayXon 🇺🇸 909 144 407ms 26 Sep 2025 46th edsrzf 🇳🇿 907 74 800ms 20 Sep 2025 47th nwellnhof 🇩🇪 906 76 40ms 7 Mar 2023 48th neel11235813 905 42 2ms 24 Mar 2024 49th JayXon 🇺🇸 905 95 2,542ms 31 Oct 2025 50th edsrzf 🇳🇿 905 117 3ms 19 Sep 2025 50th JayXon 🇺🇸 905 117 3ms 19 Sep 2025 52nd arthurfisher 902 110 12ms 28 Jul 2025 53rd xsot 🇸🇬 900 89 42ms 8 Nov 2025 54th canissimia 🇦🇶 899 88 6ms 2 Jan 2026 55th sean-niemann 🇺🇸 897 146 522ms 26 Sep 2025 56th bricknellj 894 111 12ms 22 Dec 2022 56th Steffan153 🇫🇮 894 111 21ms 2 days ago 58th Steffan153 🇫🇮 892 54 33ms 18 Aug 2024 59th JayXon 🇺🇸 892 97 154ms 20 Aug 2024 60th emplv 🇱🇻 892 98 14ms 6 Jan 2024 61st Steffan153 🇫🇮 891 147 351ms 1 Mar 2026 62nd edsrzf 🇳🇿 888 138 179ms 20 Dec 2025 62nd ovs-code 🇩🇪 888 138 129ms 20 Dec 2025 64th Steffan153 🇫🇮 887 76 427ms 26 Feb 2026 65th JayXon 🇺🇸 887 118 398ms 19 Sep 2025 65th edsrzf 🇳🇿 887 118 390ms 19 Sep 2025 67th Lydxn 🇨🇦 886 112 343ms 7 Jan 2023 68th JayXon 🇺🇸 886 152 311ms 13 Dec 2023 69th SirBogman 🇺🇸 884 43 2ms 2 Nov 2023 70th xsot 🇸🇬 884 98 464ms 1 Jul 2025 70th m-tkach 🇺🇦 884 98 764ms 1 Jul 2025 72nd btnlq 884 103 449ms 18 Apr 2023 73rd saito-ta 🇯🇵 884 104 179ms 9 Nov 2023 74th JayXon 🇺🇸 884 153 185ms 28 Apr 2025 75th vlpx 🇫🇮 883 99 11ms 1 Aug 2024 75th Steffan153 🇫🇮 883 99 11ms 30 hours ago 77th Steffan153 🇫🇮 883 112 21ms 13 Feb 2026 78th Steffan153 🇫🇮 882 100 352ms 12 Feb 2026 79th JayXon 🇺🇸 882 140 435ms 14 Oct 2024 80th edsrzf 🇳🇿 880 127 15ms 19 Sep 2025 1–80 of 859 Next Last