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 801st lowlighter 379 355 11ms 12 Mar 2021 802nd Vaekor 378 296 10ms 26 Feb 2024 802nd JOrE20 378 296 10ms 3 Jan 2026 804th Adix-null 🇱🇹 378 313 544ms 7 Jul 2023 805th Chinay-Domitrix 🇺🇸 377 270 4,090ms 9 days ago 806th johnburton0517 377 357 10ms 14 Jul 2023 807th eldritchconundrum 376 315 479ms 21 Nov 2021 808th stordev 375 298 16ms 26 Feb 2021 808th Bodo171 375 298 18ms 8 Dec 2022 810th BREMAUCY 🇫🇷 374 224 40ms 16 Apr 2024 811th janbehrens 🇩🇪 374 244 4ms 17 Jun 2023 812th emgordon154 374 294 2ms 10 Jun 2025 813th JRaspass 🇬🇧 374 422 335ms 1 Jun 2022 814th dokutan 373 273 3,923ms 7 Jun 2025 815th te-chnical 373 300 11ms 5 Jan 2026 816th HenryTy83 373 361 12ms 5 May 2023 816th Maznek 373 361 13ms 2 Jul 2023 816th madeforlosers 373 361 11ms 7 Nov 2023 816th Florian-Mt 373 361 10ms 14 Nov 2023 816th nsprd 373 361 12ms 18 Jan 2024 816th wh3n3v3r 🇨🇿 373 361 12ms 12 Nov 2024 816th gigaprofisi 🇺🇸 373 361 11ms 20 Jun 2025 816th CaedenHarper 🇨🇦 373 361 10ms 21 Aug 2025 816th olleicua 🇺🇸 373 361 10ms 11 Sep 2025 825th JGDoerrer 373 430 171ms 29 Jan 2022 826th zbreit 🇺🇸 372 301 10ms 20 Aug 2021 826th CutSandstone 372 301 10ms 4 Jul 2024 828th shu-bc 372 424 371ms 26 Oct 2022 829th antonymontana 371 362 11ms 7 Dec 2020 829th johanrosenson 371 362 12ms 8 Dec 2021 829th mackereldev 371 362 11ms 28 Apr 2022 829th ollyspooner 371 362 12ms 25 Nov 2022 829th FrederikHutfless 🇩🇪 371 362 11ms 22 Dec 2022 834th Tim-ats-d 371 425 28ms 21 Jun 2023 835th KatieLG 🇬🇧 370 299 105ms 12 Nov 2022 836th ValentinCassayre 370 302 10ms 8 Oct 2022 836th jerebenitez 370 302 12ms 8 Dec 2023 838th rschwa6308 🇺🇸 369 303 9ms 8 Nov 2021 839th bbb651 🇮🇱 369 364 10ms 25 Nov 2020 839th tetrogem 369 364 12ms 8 Sep 2021 839th zaneshaw 369 364 15ms 28 Apr 2022 842nd zugch 368 365 11ms 7 Oct 2024 843rd CaedenHarper 🇨🇦 368 429 329ms 28 Oct 2025 844th lacroixjonathan87 367 314 6ms 8 Dec 2021 845th DaCuteRaccoon 367 366 12ms 21 Apr 2022 845th 1231234md5 🇨🇳 367 366 10ms 15 Dec 2023 845th hacker112 🇸🇪 367 366 10ms 23 Jun 2024 845th MrMullac 367 366 15ms 23 Mar 2025 845th andrewl64 367 366 11ms 25 Sep 2025 845th Cube14yt 367 366 11ms 19 Nov 2025 845th Roachbones 367 366 11ms 16 Jan 2026 852nd msbranicky 367 436 232ms 14 Oct 2023 853rd benjamin-brady 366 306 18ms 16 Aug 2021 853rd trist224 🇫🇷 366 306 31ms 29 Sep 2022 853rd jtaxen 366 306 13ms 14 May 2024 856th Re-Adventures 🇮🇳 366 315 5ms 7 Jul 2023 857th doge1338 366 367 14ms 14 Dec 2020 857th Thonoton 366 367 12ms 9 Mar 2023 857th CristhoferT29 366 367 9ms 6 Jul 2024 857th 4very 366 367 12ms 7 Jun 2025 861st genmeblog 365 326 7ms 11 Dec 2023 861st KatieLG 🇬🇧 365 326 6ms 11 Dec 2023 863rd con-cs 364 369 10ms 15 Oct 2021 863rd sech1p 🇵🇱 364 369 11ms 31 Oct 2021 863rd GulgDev 364 369 10ms 14 Nov 2023 866th IchBinMichMarkus 363 370 11ms 4 Jul 2024 867th doge1338 363 434 381ms 14 Dec 2020 868th ian-h-chamberlain 🇺🇸 363 441 164ms 14 Aug 2022 869th SirFireball3521 362 211 142ms 1 Mar 2023 870th Andriamanitra 🇫🇮 362 254 1,491ms 9 Apr 2022 871st ellis-rix 362 309 17ms 21 Dec 2022 872nd adgh 🇬🇧 362 365 81ms 11 Dec 2024 873rd ThibWillFulll 362 372 11ms 6 May 2022 873rd null-tangent 362 372 12ms 14 May 2023 873rd MCausc78 🇺🇦 362 372 10ms 20 Aug 2023 876th firegene 🇮🇪 361 310 20ms 6 Dec 2021 877th MichalMarsalek 🇨🇿 361 382 82ms 12 Feb 2023 878th TannerJ07 🇺🇸 361 444 167ms 4 Apr 2025 879th jaredcrystal 🇺🇸 360 233 35ms 14 Dec 2020 880th JRaspass 🇬🇧 360 253 3ms 25 Nov 2020 First Prev 801–880 of 1,346 Next Last
