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 721st jacekwladzinski 408 274 10ms 5 Oct 2025 722nd Natanaelel 🇸🇪 406 312 2ms 13 May 2022 723rd kurkale6ka 405 225 4ms 19 Dec 2023 724th markusgraube 405 276 23ms 8 Apr 2024 724th Andrey2001 405 276 11ms 1 Feb 2026 726th liamstrilchuk 405 332 13ms 11 Sep 2021 726th dokutan 405 332 11ms 5 Jun 2025 728th jgbaldwinbrown 405 389 343ms 2 Sep 2021 729th dokutan 404 248 5ms 13 Aug 2024 730th twocatsinatrenchcoat 404 277 10ms 14 Apr 2022 730th mbittner20 404 277 11ms 27 May 2023 730th PotatoSaladOverlord 404 277 14ms 7 Jun 2023 730th codingisgreatbutiamnot 404 277 10ms 11 Aug 2024 734th charliegaming 403 334 12ms 3 Oct 2023 735th JRaspass 🇬🇧 403 398 2ms 9 Sep 2022 735th Yewzir 🇧🇪 403 398 3ms 5 Jul 2023 737th Anonymousellama21 402 278 35ms 6 Jan 2022 738th KatieLG 🇬🇧 402 399 2ms 9 Sep 2022 739th gifti258 401 274 92ms 15 Sep 2023 740th guliyevemil1 🇦🇿 401 279 10ms 31 Jan 2021 740th MaxElf999 401 279 14ms 29 Sep 2022 740th croc54 401 279 18ms 30 Dec 2024 743rd dokutan 401 439 74ms 4 days ago 744th geofft 400 280 17ms 10 Dec 2020 744th ImpressedByRocks 400 280 13ms 12 Feb 2025 744th cthierfelder 🇲🇨 400 280 11ms 4 Sep 2025 744th Lv0Sys 🇵🇱 400 280 10ms 4 Dec 2025 748th Maximizer02 400 297 6ms 19 Mar 2024 749th OCNeve 398 281 10ms 18 Jun 2024 749th keegan-t 🇨🇦 398 281 12ms 31 Jan 2026 751st Andriamanitra 🇫🇮 397 199 462ms 21 Jul 2022 752nd CedricGebistorf 397 282 10ms 7 Nov 2022 752nd VictorStenvers 🇳🇱 397 282 10ms 17 Oct 2024 754th ravnskjaer 🇩🇰 397 317 677ms 15 Dec 2025 755th iSickos 397 339 11ms 11 Aug 2023 756th HassanAliKadhem 🇧🇭 396 398 375ms 13 Aug 2023 757th dokutan 396 794 2ms 20 Jul 2023 758th janbehrens 🇩🇪 395 200 734ms 17 Nov 2022 759th sciencedjinn 395 283 11ms 8 Nov 2024 760th SmartK8 🇨🇿 395 300 444ms 31 Oct 2022 761st HumanoidCPU 394 253 568ms 11 Jan 2026 762nd AndFly33 394 341 12ms 14 Jul 2023 762nd AustinH-Ntt 394 341 12ms 14 Jul 2023 764th jlivas 393 342 11ms 3 Jul 2022 764th RytisMark 393 342 15ms 19 Aug 2023 766th yzhs 🇩🇪 392 214 37ms 20 Jul 2022 767th solmyr2000 392 271 2ms 27 Jul 2022 768th Ow0cast 392 343 12ms 23 Jun 2025 769th nat-418 392 379 3ms 2 Nov 2022 770th TheZwierzLF 🇵🇱 391 255 566ms 11 Dec 2025 771st logvp 391 286 11ms 1 Feb 2024 772nd aaronze 🇦🇺 391 344 12ms 25 Apr 2021 773rd exodrifter 🇺🇸 391 408 138ms 25 Oct 2022 774th Mabeloid 🇳🇴 390 256 736ms 17 Sep 2024 775th bthalheim 390 287 10ms 10 Sep 2022 776th vroup 🇩🇰 390 345 13ms 2 Oct 2022 777th evnu 389 284 108ms 7 Oct 2025 778th Laksen 🇩🇰 389 496 29ms 9 Jul 2021 779th mdnestor 388 288 12ms 13 Dec 2022 780th eiburns 388 347 10ms 24 Jan 2022 781st neihousaigaai 387 289 11ms 5 Apr 2021 782nd CaedenHarper 🇨🇦 386 307 423ms 16 Oct 2025 783rd TornadoCookie 385 364 2ms 4 May 2023 784th bbakersmith 385 397 2ms 8 Jul 2021 785th FranklinJiaChen 383 292 10ms 20 Jul 2024 785th bobbysq 383 292 11ms 15 Sep 2024 785th RobertHoeh 383 292 10ms 30 Nov 2024 788th osmith93 382 293 17ms 14 Jun 2021 789th tomh1012 382 310 536ms 7 Nov 2025 790th tdkkdt 🇷🇺 381 311 482ms 21 Nov 2021 790th KatieLG 🇬🇧 381 311 415ms 21 Oct 2022 792nd arjanadriaanse 🇳🇱 381 419 121ms 12 Nov 2021 793rd Yewzir 🇧🇪 380 279 2ms 9 Feb 2024 794th CaedenHarper 🇨🇦 380 331 785ms 3 Oct 2025 795th gurglemurgle5 380 354 12ms 13 Jul 2022 796th KatieLG 🇬🇧 380 391 3ms 25 Oct 2022 797th Shanethegamer 🇺🇸 380 414 28ms 13 Apr 2025 798th Yewzir 🇧🇪 379 263 559ms 15 Jan 2024 799th lelbal 379 295 11ms 24 Nov 2022 800th lowlighter 379 355 11ms 12 Mar 2021 First Prev 721–800 of 1,345 Next Last
