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 chars. 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 Chars Time Submitted 641st mosho-p 438 184 10ms 13 Oct 2022 642nd PaulMWeiser 436 185 10ms 1 Mar 2023 643rd HassanAliKadhem 🇧🇭 436 323 375ms 13 Aug 2023 644th vishwathg 434 186 10ms 20 Aug 2022 644th FlorianCassayre 🇫🇷 434 186 20ms 29 Oct 2022 646th fitzdotlol 🇺🇸 434 234 11ms 20 Mar 2022 647th CaedenHarper 🇨🇦 433 256 785ms 3 Oct 2025 648th BREMAUCY 🇫🇷 432 149 40ms 16 Apr 2024 649th JRaspass 🇬🇧 431 194 3ms 25 Sep 2022 649th dokutan 431 194 3ms 27 Dec 2025 651st yzhs 🇩🇪 430 150 45ms 20 Jul 2022 652nd bidger 430 193 104ms 5 Mar 2023 653rd kistlerf 🇨🇭 429 188 18ms 14 May 2025 653rd vgamula 🇺🇦 429 188 10ms 5 Aug 2025 653rd orsinium 429 188 10ms 14 Aug 2025 656th arcpolaris 428 231 539ms 13 Jan 2026 657th ozzypossie 427 189 11ms 25 May 2023 658th sophuric 427 238 11ms 18 Oct 2021 659th CaedenHarper 🇨🇦 426 232 423ms 16 Oct 2025 660th Isaac-NTT 425 239 10ms 17 Jul 2023 661st aalec 424 190 17ms 25 Apr 2024 662nd mtirado1 424 239 2ms 24 Dec 2022 663rd Chinay-Domitrix 🇺🇸 423 195 4,090ms 9 days ago 664th MeWhenI 🇻🇦 423 478 1,529ms 10 Feb 2025 665th MeWhenI 🇻🇦 423 586 9ms 28 Nov 2023 666th dokutan 422 127 2ms 24 Mar 2025 667th boxjelly 422 191 18ms 12 Feb 2021 667th Deedogg 422 191 10ms 19 Nov 2024 669th veiko 422 241 11ms 28 Jun 2022 670th dokutan 421 199 142ms 15 Jun 2025 671st tomh1012 421 235 536ms 7 Nov 2025 672nd boxjelly 421 299 212ms 23 Feb 2021 672nd connorslade 421 299 267ms 13 May 2022 674th Mabeloid 🇳🇴 420 192 14ms 17 Sep 2024 675th bakkeby 420 199 3ms 28 Sep 2022 676th Rhinozz 🇨🇦 420 242 12ms 22 Aug 2021 677th tdkkdt 🇷🇺 419 236 482ms 21 Nov 2021 677th KatieLG 🇬🇧 419 236 415ms 21 Oct 2022 679th 77Tigers 418 193 19ms 25 Feb 2021 679th Miles-1000 🇬🇧 418 193 17ms 25 Feb 2021 679th Bonjour27891 🇻🇳 418 193 17ms 7 Aug 2022 679th wa1ker38552 418 193 16ms 22 May 2023 679th gabe-gallegos 418 193 18ms 2 May 2024 679th BREMAUCY 🇫🇷 418 193 17ms 4 May 2024 685th dokutan 417 198 3,923ms 7 Jun 2025 686th eldritchconundrum 417 237 479ms 21 Nov 2021 687th urojony 🇵🇱 416 194 10ms 25 May 2021 687th CommandLeo 🇮🇹 416 194 10ms 28 Nov 2025 687th robbertvz 416 194 11ms 29 Dec 2025 687th denkyuu1 416 194 10ms 8 Feb 2026 691st Adix-null 🇱🇹 416 238 544ms 7 Jul 2023 692nd msbranicky 416 287 3ms 10 Aug 2023 693rd dokutan 416 486 1,626ms 12 Jan 2025 694th juliansiebert 🇩🇪 414 181 360ms 30 Jul 2022 695th Y0UR-U5ERNAME 414 195 9ms 3 Sep 2021 696th Andriamanitra 🇫🇮 411 179 1,491ms 9 Apr 2022 697th targrik 411 194 6ms 27 Jan 2025 698th wrhm 411 196 17ms 15 Dec 2020 698th SniperSmiley 🇺🇸 411 196 17ms 30 Jun 2022 698th cardosoo 411 196 17ms 6 Oct 2024 701st dokutan 411 568 10ms 24 Dec 2024 702nd JRaspass 🇬🇧 409 178 3ms 25 Nov 2020 702nd scpchicken 🇵🇼 409 178 3ms 17 Dec 2022 704th ADV1K 🇮🇳 409 197 17ms 25 Oct 2021 704th jfallon1997 409 197 11ms 5 Jan 2023 704th rollershutter 409 197 10ms 25 Nov 2023 707th jaredcrystal 🇺🇸 408 158 35ms 14 Dec 2020 708th Vaekor 408 249 12ms 26 Feb 2024 709th TheEric0802 🇩🇪 406 206 3ms 15 Jul 2024 710th solmyr2000 406 264 493ms 27 Jul 2022 711th JRaspass 🇬🇧 406 347 335ms 1 Jun 2022 712th MeWhenI 🇻🇦 405 194 2ms 13 May 2022 713th msbranicky 405 199 10ms 16 Jul 2023 713th jacekwladzinski 405 199 10ms 5 Oct 2025 715th erwoba 🇩🇪 404 180 3ms 7 Dec 2020 716th msbranicky 404 246 2ms 12 Oct 2023 717th shu-bc 404 349 371ms 26 Oct 2022 718th Andriamanitra 🇫🇮 402 155 400ms 21 Jul 2022 719th markusgraube 401 201 23ms 8 Apr 2024 719th Andrey2001 401 201 11ms 1 Feb 2026 First Prev 641–720 of 1,338 Next Last
