The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 6 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 KatieLG 🇬🇧 378 335 4ms 23 Mar 2024 806th Chinay-Domitrix 🇺🇸 377 270 4,090ms 10 days ago 807th johnburton0517 377 357 10ms 14 Jul 2023 808th eldritchconundrum 376 315 479ms 21 Nov 2021 809th stordev 375 298 16ms 26 Feb 2021 809th Bodo171 375 298 18ms 8 Dec 2022 811th BREMAUCY 🇫🇷 374 224 40ms 16 Apr 2024 812th janbehrens 🇩🇪 374 244 4ms 17 Jun 2023 813th emgordon154 374 294 2ms 10 Jun 2025 814th JRaspass 🇬🇧 374 422 335ms 1 Jun 2022 815th dokutan 373 273 3,923ms 7 Jun 2025 816th te-chnical 373 300 11ms 5 Jan 2026 817th HenryTy83 373 361 12ms 5 May 2023 817th Maznek 373 361 13ms 2 Jul 2023 817th madeforlosers 373 361 11ms 7 Nov 2023 817th Florian-Mt 373 361 10ms 14 Nov 2023 817th nsprd 373 361 12ms 18 Jan 2024 817th wh3n3v3r 🇨🇿 373 361 12ms 12 Nov 2024 817th gigaprofisi 🇺🇸 373 361 11ms 20 Jun 2025 817th CaedenHarper 🇨🇦 373 361 10ms 21 Aug 2025 817th olleicua 🇺🇸 373 361 10ms 11 Sep 2025 826th JGDoerrer 373 430 171ms 29 Jan 2022 827th zbreit 🇺🇸 372 301 10ms 20 Aug 2021 827th CutSandstone 372 301 10ms 4 Jul 2024 829th shu-bc 372 424 371ms 26 Oct 2022 830th antonymontana 371 362 11ms 7 Dec 2020 830th johanrosenson 371 362 12ms 8 Dec 2021 830th mackereldev 371 362 11ms 28 Apr 2022 830th ollyspooner 371 362 12ms 25 Nov 2022 830th FrederikHutfless 🇩🇪 371 362 11ms 22 Dec 2022 835th Tim-ats-d 371 425 28ms 21 Jun 2023 836th KatieLG 🇬🇧 370 299 105ms 12 Nov 2022 837th ValentinCassayre 370 302 10ms 8 Oct 2022 837th jerebenitez 370 302 12ms 8 Dec 2023 839th rschwa6308 🇺🇸 369 303 9ms 8 Nov 2021 840th bbb651 🇮🇱 369 364 10ms 25 Nov 2020 840th tetrogem 369 364 12ms 8 Sep 2021 840th zaneshaw 369 364 15ms 28 Apr 2022 843rd zugch 368 365 11ms 7 Oct 2024 844th CaedenHarper 🇨🇦 368 429 329ms 28 Oct 2025 845th lacroixjonathan87 367 314 6ms 8 Dec 2021 846th DaCuteRaccoon 367 366 12ms 21 Apr 2022 846th 1231234md5 🇨🇳 367 366 10ms 15 Dec 2023 846th hacker112 🇸🇪 367 366 10ms 23 Jun 2024 846th MrMullac 367 366 15ms 23 Mar 2025 846th andrewl64 367 366 11ms 25 Sep 2025 846th Cube14yt 367 366 11ms 19 Nov 2025 846th Roachbones 367 366 11ms 16 Jan 2026 853rd msbranicky 367 436 232ms 14 Oct 2023 854th benjamin-brady 366 306 18ms 16 Aug 2021 854th trist224 🇫🇷 366 306 31ms 29 Sep 2022 854th jtaxen 366 306 13ms 14 May 2024 857th Re-Adventures 🇮🇳 366 315 5ms 7 Jul 2023 858th doge1338 366 367 14ms 14 Dec 2020 858th Thonoton 366 367 12ms 9 Mar 2023 858th CristhoferT29 366 367 9ms 6 Jul 2024 858th 4very 366 367 12ms 7 Jun 2025 862nd genmeblog 365 326 7ms 11 Dec 2023 862nd KatieLG 🇬🇧 365 326 6ms 11 Dec 2023 864th con-cs 364 369 10ms 15 Oct 2021 864th sech1p 🇵🇱 364 369 11ms 31 Oct 2021 864th GulgDev 364 369 10ms 14 Nov 2023 867th IchBinMichMarkus 363 370 11ms 4 Jul 2024 868th doge1338 363 434 381ms 14 Dec 2020 869th ian-h-chamberlain 🇺🇸 363 441 164ms 14 Aug 2022 870th SirFireball3521 362 211 142ms 1 Mar 2023 871st Andriamanitra 🇫🇮 362 254 1,491ms 9 Apr 2022 872nd ellis-rix 362 309 17ms 21 Dec 2022 873rd adgh 🇬🇧 362 365 81ms 11 Dec 2024 874th ThibWillFulll 362 372 11ms 6 May 2022 874th null-tangent 362 372 12ms 14 May 2023 874th MCausc78 🇺🇦 362 372 10ms 20 Aug 2023 877th firegene 🇮🇪 361 310 20ms 6 Dec 2021 878th MichalMarsalek 🇨🇿 361 382 82ms 12 Feb 2023 879th TannerJ07 🇺🇸 361 444 167ms 4 Apr 2025 880th jaredcrystal 🇺🇸 360 233 35ms 14 Dec 2020 First Prev 801–880 of 1,347 Next Last
