The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 31 hours. 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 241st GolfingSuccess 🇬🇷 783 151 481ms 18 May 2025 242nd kg583 🇺🇸 781 111 518ms 3 Mar 2025 243rd Shanethegamer 🇺🇸 781 118 6ms 28 Nov 2024 244th GolfingSuccess 🇬🇷 780 55 47ms 25 Dec 2022 245th Shanethegamer 🇺🇸 780 112 11ms 23 Dec 2022 246th rucin93 🇵🇱 779 127 8ms 29 Jul 2025 247th rucin93 🇵🇱 779 168 389ms 24 Sep 2025 248th MeWhenI 🇻🇦 778 117 411ms 26 Jul 2023 248th tomtheisen 🇺🇸 778 117 408ms 12 Feb 2025 250th Shanethegamer 🇺🇸 778 131 464ms 31 Dec 2022 251st albanian-laundromat 776 149 4ms 26 Nov 2025 252nd scpchicken 🇵🇼 776 158 446ms 10 Mar 2023 253rd stefangimmillaro 776 159 145ms 25 Dec 2022 254th jared-hughes 776 371 15ms 18 Aug 2024 255th annaproxy 775 128 12ms 26 Dec 2022 255th SirBogman 🇺🇸 775 128 15ms 15 Aug 2025 255th albanian-laundromat 775 128 14ms 31 Oct 2025 258th Steffan153 🇫🇮 774 167 40ms 43 hours ago 259th rucin93 🇵🇱 773 113 11ms 8 Jul 2024 260th ovs-code 🇩🇪 773 114 7ms 22 Oct 2024 260th emgordon154 773 114 7ms 6 Aug 2025 262nd Alex-x90 🇺🇸 773 153 440ms 8 Feb 2024 263rd MeWhenI 🇻🇦 769 114 25ms 3 Jan 2025 264th Shanethegamer 🇺🇸 769 122 157ms 24 May 2025 265th jared-hughes 769 126 2ms 22 Dec 2022 266th emgordon154 769 129 39ms 19 Sep 2025 267th Shanethegamer 🇺🇸 769 181 29ms 18 Oct 2024 268th sean-niemann 🇺🇸 768 99 381ms 5 Sep 2024 269th ovs-code 🇩🇪 767 113 534ms 13 May 2025 270th Steffan153 🇫🇮 766 113 137ms 18 Aug 2024 271st itsh01 766 114 12ms 25 Dec 2022 272nd Shanethegamer 🇺🇸 765 90 35ms 25 Dec 2022 272nd MeWhenI 🇻🇦 765 90 36ms 29 Dec 2025 274th m-tkach 🇺🇦 763 127 2ms 29 Dec 2022 275th zhaohm14 763 130 19ms 22 Jul 2025 275th MeWhenI 🇻🇦 763 130 34ms 29 Dec 2025 277th bitsandbeyond 🇳🇱 762 92 370ms 17 Oct 2025 278th Shanethegamer 🇺🇸 761 172 395ms 24 Sep 2025 279th bizy-coder 760 114 487ms 17 Jan 2024 279th AlephSquirrel 760 114 536ms 21 Jan 2024 281st alexsave 760 115 11ms 25 Dec 2025 282nd kg583 🇺🇸 760 147 13ms 20 Dec 2025 283rd Shanethegamer 🇺🇸 758 131 33ms 23 Dec 2022 284th albanian-laundromat 754 89 1,142ms 1 Nov 2025 285th sean-niemann 🇺🇸 753 115 147ms 4 Mar 2025 286th Lv0Sys 🇵🇱 753 116 11ms 25 Feb 2026 287th kg583 🇺🇸 750 123 5ms 19 Jan 2026 288th MeWhenI 🇻🇦 748 175 453ms 7 Nov 2025 289th GrayJoKing 🇦🇺 747 116 462ms 18 Jan 2024 290th prplz 🇦🇺 746 130 2ms 23 Dec 2022 291st firegene 🇮🇪 746 133 12ms 7 days ago 292nd stefangimmillaro 746 148 210ms 3 Oct 2023 293rd sisyphus-ppcg 🇦🇺 742 108 7ms 23 Dec 2022 294th SirBogman 🇺🇸 741 91 195ms 14 Jan 2025 294th edsrzf 🇳🇿 741 91 133ms 15 Jan 2026 296th Hebelub 741 134 13ms 5 Jan 2024 296th GolfingSuccess 🇬🇷 741 134 35ms 25 Oct 2025 296th plcc0 741 134 20ms 31 Oct 2025 296th snoozingnewt 🇨🇦 741 134 12ms 1 Mar 2026 300th nwellnhof 🇩🇪 740 88 4ms 28 Dec 2022 301st CaedenHarper 🇨🇦 740 118 12ms 20 Sep 2025 302nd Shanethegamer 🇺🇸 740 123 419ms 26 Mar 2024 303rd GolfingSuccess 🇬🇷 740 131 2ms 5 Jun 2025 304th inventshah 739 160 437ms 16 Oct 2024 305th zacjl 738 172 45ms 14 Feb 2025 306th ovs-code 🇩🇪 737 147 68ms 6 May 2024 307th duckyluuk 🇳🇱 735 117 2,676ms 1 Jan 2025 308th ZakkkkAttackkkk 🇵🇭 735 135 10ms 21 Aug 2023 308th CaedenHarper 🇨🇦 735 135 11ms 20 Sep 2025 310th BambooleanLogic 🇸🇪 734 119 12ms 11 Jan 2023 311th 386asm 🇺🇸 734 153 38ms 3 May 2023 312th albanian-laundromat 732 180 26ms 4 Nov 2025 313th emplv 🇱🇻 731 151 105ms 27 Dec 2022 314th stefangimmillaro 731 185 170ms 18 May 2024 315th cefqrn 730 136 11ms 25 Dec 2022 315th cros107 🇦🇺 730 136 12ms 24 Feb 2024 317th edsrzf 🇳🇿 727 186 206ms 31 Dec 2025 318th MeWhenI 🇻🇦 726 152 111ms 31 Dec 2022 319th jared-hughes 725 146 2ms 22 Dec 2022 320th sean-niemann 🇺🇸 725 155 38ms 19 May 2025 First Prev 241–320 of 859 Next Last