The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 26 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 721st TheZwierzLF 🇵🇱 333 207 285ms 24 Dec 2025 722nd jameswmccarty 331 300 16ms 11 Jul 2024 723rd duckyluuk 🇳🇱 328 342 186ms 27 Aug 2025 724th brochmann 🇸🇪 325 305 17ms 12 Oct 2025 725th eiburns 321 309 18ms 4 Aug 2023 725th Vaekor 321 309 18ms 4 Aug 2023 727th postie77 320 285 416ms 30 May 2023 728th croc54 320 310 17ms 6 Jan 2025 729th alemelis 318 312 12ms 18 Oct 2024 730th ndren 316 355 152ms 13 Feb 2026 731st madex 🇩🇪 314 316 14ms 2 Jun 2023 732nd azure-blondon 312 318 19ms 11 May 2024 733rd perlebach 🇨🇿 310 277 2,726ms 13 Jun 2025 734th scpchicken 🇵🇼 309 363 278ms 17 Apr 2023 735th bidger 309 423 397ms 23 Dec 2022 736th James-Oswald 🇺🇸 308 322 18ms 24 Aug 2024 736th JunkIce 308 322 19ms 4 Dec 2024 738th samnoyes 305 325 19ms 14 Dec 2024 739th inverseLorentz 🇦🇺 304 326 14ms 12 Mar 2024 740th eclyptox 303 264 6ms 9 Oct 2024 741st msbranicky 303 407 121ms 27 Dec 2023 742nd Andrey135296 302 329 11ms 28 Sep 2023 743rd keelimeguy 🇺🇸 301 330 18ms 1 Jul 2025 744th mdnestor 299 332 13ms 27 Dec 2022 745th JRaspass 🇬🇧 298 219 4ms 20 Feb 2023 746th RaBa21 🇭🇺 298 333 19ms 19 Jul 2025 747th Jandoife 297 326 2ms 24 Dec 2022 748th acollett89 295 296 11ms 6 Aug 2025 749th BREMAUCY 🇫🇷 293 383 116ms 4 Oct 2025 750th zyc-2024 🇨🇳 290 342 11ms 4 Jan 2026 751st roupiq 🇵🇱 289 335 2ms 25 Feb 2024 752nd jmatko 289 344 61ms 28 Oct 2023 753rd kmathis22 285 394 445ms 12 Dec 2025 754th Re-Adventures 🇮🇳 283 477 277ms 19 Jan 2025 755th Andrey2001 282 352 17ms 4 Feb 2026 756th CutSandstone 281 353 165ms 4 Jul 2024 757th codereport 🇨🇦 281 399 254ms 17 Apr 2025 758th JunkIce 278 312 825ms 4 Dec 2024 759th IoLimmer 278 357 17ms 22 Aug 2024 760th yuchuehw 277 358 19ms 5 Jan 2024 761st InigoK 🇺🇸 276 406 663ms 11 Oct 2025 762nd deancureton 275 318 12ms 31 Dec 2024 763rd atazzam 🇺🇸 269 369 11ms 29 Dec 2022 764th Ralac07 🇦🇺 268 257 44ms 1 Aug 2025 765th Yewzir 🇧🇪 267 443 478ms 12 Feb 2023 766th aksyristos 264 367 2ms 26 Jan 2023 767th blaztoma 🇱🇹 263 426 143ms 1 Sep 2025 768th Schmitt-Very-Cool 263 427 129ms 22 Nov 2025 769th MyXoToD 🇩🇪 260 336 10ms 12 Aug 2025 770th madex 🇩🇪 257 268 38ms 2 Jun 2023 771st LunacyNGH 256 487 14ms 10 Aug 2023 772nd AbuzarN 254 390 12ms 4 Oct 2023 773rd dokutan 253 301 530ms 12 Apr 2024 774th madeforlosers 253 345 11ms 3 Nov 2025 775th zt14427 251 396 11ms 11 Feb 2025 776th SB-945 249 451 470ms 21 Feb 2024 777th benradclyffe 247 531 423ms 14 May 2023 778th nephila-nacrea 🇬🇧 245 266 5ms 20 Feb 2023 779th JOrE20 245 538 26ms 16 Feb 2026 780th Lxkasmehl 244 358 12ms 11 Jul 2025 781st dokutan 241 286 38ms 30 Mar 2025 782nd KatieLG-Transpiler 🇬🇧 239 415 214ms 7 Jan 2023 783rd Jacob385 235 557 434ms 17 Feb 2025 784th lynn 232 428 13ms 14 Oct 2023 785th zwxzwxzwx21 228 435 20ms 4 Jan 2024 786th KatieLG 🇬🇧 225 290 138ms 28 Jul 2024 787th Yewzir 🇧🇪 224 433 2,148ms 10 Feb 2024 788th dokutan 224 500 133ms 26 Jan 2026 789th misono-nobuhiro 223 292 5ms 25 Jan 2023 790th mwarvik 🇳🇴 223 409 466ms 1 Jan 2026 791st AidanWalter 223 502 259ms 26 Nov 2025 792nd galloj 🇨🇿 219 432 178ms 14 Aug 2023 793rd plainoldcheese 🇦🇶 219 454 21ms 19 Jan 2024 794th najs91 211 432 395ms 9 Oct 2024 795th Lydxn 🇨🇦 209 272 46ms 24 Dec 2022 796th Yewzir 🇧🇪 208 539 260ms 16 Nov 2025 797th roguh 🇬🇹 201 609 124ms 16 Jan 2024 798th kevinnaviapaiva 198 502 14ms 10 Mar 2025 799th keelimeguy 🇺🇸 198 566 127ms 23 Oct 2023 800th JunkIce 196 571 143ms 23 Jan 2025 First Prev 721–800 of 860 Next Last
