The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 7 days. Why not try and solve them ahead of time?
Emojify 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 880th scpchicken 🇵🇼 360 253 3ms 17 Dec 2022 882nd Wildst 360 311 10ms 2 Nov 2022 882nd mishak-sys 360 311 10ms 7 Mar 2025 882nd cros107 🇦🇺 360 311 10ms 2 Jan 2026 885th janbehrens 🇩🇪 360 314 572ms 23 Jul 2022 886th Kenna-Blackburn 360 383 85ms 8 Jul 2025 887th mathisfun271 359 312 11ms 9 Feb 2024 888th hrubymar10 359 439 330ms 19 Feb 2024 889th erwoba 🇩🇪 358 255 3ms 7 Dec 2020 890th TheZwierzLF 🇵🇱 357 235 48ms 7 Jan 2026 891st JRaspass 🇬🇧 357 310 98ms 19 May 2022 892nd KatieLG 🇬🇧 357 387 91ms 14 Jan 2023 893rd hacker19374 356 378 10ms 13 Mar 2023 894th aksyristos 355 315 30ms 14 Mar 2023 894th Voltrifrodec 🇸🇰 355 315 13ms 27 Apr 2025 894th rustykitty 🇺🇸 355 315 18ms 25 Oct 2025 897th apokryfos 355 379 11ms 21 Aug 2023 897th LesBoys43 355 379 10ms 9 Nov 2025 899th HCRitter 🇩🇪 354 274 275ms 16 Oct 2023 900th tomh1012 354 316 10ms 30 Nov 2020 901st PowershellKnut 🇳🇴 353 275 279ms 3 Jan 2023 902nd dokutan 353 344 198ms 6 Jun 2025 903rd The-Wolfson 353 391 90ms 17 Dec 2024 904th KatieLG 🇬🇧 353 433 4ms 23 Mar 2024 905th dokutan 353 547 74ms 1 Dec 2025 906th BrenSchaap 352 318 12ms 21 Oct 2021 906th Mathrew2012 352 318 16ms 9 Nov 2024 908th olavaga 351 319 10ms 13 Aug 2021 908th ellieoverwood 351 319 10ms 29 Dec 2021 908th jeaosh 351 319 10ms 19 Nov 2024 908th RodAlc24 🇪🇸 351 319 10ms 25 days ago 912th Betuaredead 351 378 482ms 16 Jan 2023 913th aarnoldaas 351 383 11ms 7 May 2021 914th KatieLG 🇬🇧 351 457 162ms 23 Mar 2024 915th shellbertt 🇨🇦 350 360 747ms 17 Dec 2021 916th boxjelly 349 240 35ms 12 Feb 2021 917th KatieLG 🇬🇧 349 378 87ms 21 Jan 2023 918th SnowballSH 347 242 37ms 28 Jan 2021 919th KatieLG 🇬🇧 347 251 36ms 28 Sep 2024 920th dillon-duncando 346 382 107ms 24 Mar 2024 921st neihousaigaai 345 365 716ms 5 Apr 2021 921st h3ra993huskp 🇯🇵 345 365 560ms 30 Nov 2025 923rd msbranicky 344 401 85ms 12 Oct 2023 924th melboyce 🇳🇿 344 459 380ms 13 Aug 2021 925th Haksell 🇦🇶 342 245 35ms 22 Feb 2023 926th kejcao 🇨🇦 342 327 11ms 10 May 2024 927th Andriamanitra 🇫🇮 341 246 35ms 21 Jul 2022 928th dokutan 341 324 106ms 26 Jan 2026 929th KatieLG 🇬🇧 341 369 707ms 31 Oct 2022 929th Jacob385 341 369 542ms 4 May 2024 931st mrmena 🇦🇺 341 389 43ms 16 Apr 2024 932nd razetime 340 229 4ms 18 Oct 2022 933rd hymanimy 339 330 17ms 23 Nov 2021 934th KatieLG 🇬🇧 339 413 2ms 29 Mar 2024 935th Maashau 338 314 2ms 10 Dec 2025 936th Programmer-Arvind 338 331 18ms 10 Dec 2023 937th eli-siegel 338 467 369ms 23 Jun 2023 938th cbrt-x 337 374 621ms 28 Aug 2021 939th HumanoidCPU 337 410 95ms 12 Nov 2023 940th HassanAliKadhem 🇧🇭 336 333 10ms 4 Jan 2022 941st Henrixounez 336 400 10ms 17 Sep 2021 942nd CaedenHarper 🇨🇦 335 250 41ms 28 Oct 2025 943rd djeedjay 🇳🇱 335 317 2ms 23 Dec 2020 944th tomh1012 334 377 610ms 26 Nov 2020 945th BuBuaBu 334 419 2ms 29 Aug 2023 946th Andriamanitra 🇫🇮 333 420 2ms 29 Oct 2022 946th emirps 333 420 2ms 27 Jan 2023 946th msbranicky 333 420 2ms 12 Oct 2023 946th Kibadda 🇩🇪 333 420 2ms 3 Nov 2023 946th Sciman101 333 420 2ms 17 Jan 2026 951st kevinnaviapaiva 331 406 11ms 28 Feb 2025 952nd ryanlanegit 330 294 280ms 19 Jun 2022 952nd KatieLG 🇬🇧 330 294 264ms 15 Sep 2022 954th KatieLG 🇬🇧 330 478 326ms 29 Mar 2024 955th nephila-nacrea 🇬🇧 329 277 3ms 10 Dec 2020 956th msbranicky 329 309 3,998ms 11 Jan 2025 957th aliakseikalosha 329 360 417ms 21 Nov 2021 958th MeWhenI 🇻🇦 329 586 71ms 9 Jul 2021 959th MeWhenI 🇻🇦 328 391 4ms 22 May 2023 960th Phil-RGOMEGA 327 428 2ms 28 Aug 2023 First Prev 881–960 of 1,346 Next Last
