The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 4 days. Why not try and solve them ahead of time?
Transpose Sentence 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 volgavod 639 142 448ms 21 Dec 2025 642nd dokutan 637 117 2,676ms 26 Oct 2024 643rd emgordon154 637 181 15ms 23 May 2025 644th Shanethegamer 🇺🇸 634 95 1,208ms 21 May 2025 645th inventshah 634 161 829ms 25 Jul 2024 646th MeWhenI 🇻🇦 634 229 44ms 7 Aug 2024 647th Yewzir 🇧🇪 633 94 396ms 15 Nov 2025 648th MostParsingVex 632 195 278ms 25 Jul 2024 649th acollett89 631 100 11ms 4 Aug 2025 650th sean-niemann 🇺🇸 625 76 9ms 16 Oct 2024 651st Schmitt-Very-Cool 625 160 610ms 3 Oct 2025 652nd annaproxy 624 133 18ms 22 Oct 2024 653rd sjrct 622 106 29ms 7 Aug 2024 653rd mathisfun271 622 106 47ms 3 Oct 2024 655th MeWhenI 🇻🇦 617 37 2ms 25 Jul 2024 656th DialFrost 🇸🇬 616 79 4,943ms 2 Aug 2024 657th vgel 616 107 11ms 30 Jul 2024 657th Carlettos1 616 107 14ms 31 Jul 2024 657th Pyroan 616 107 11ms 13 Mar 2025 657th Matter1024 🇮🇳 616 107 11ms 26 Dec 2025 661st chunes3 🇺🇸 613 117 69ms 19 Aug 2024 662nd hiichbindermax 611 108 22ms 28 Jul 2024 662nd hellwue 611 108 21ms 29 Jul 2024 662nd roguh 🇬🇹 611 108 25ms 30 Jul 2024 662nd fourth-bit 611 108 22ms 4 Sep 2024 662nd jacekwladzinski 611 108 11ms 7 Oct 2025 662nd LostSyntax21 🇬🇧 611 108 11ms 30 Nov 2025 662nd andrewjc2000 611 108 20ms 9 days ago 669th Andriamanitra 🇫🇮 610 128 16ms 11 days ago 670th SirBogman 🇺🇸 609 45 107ms 30 Jul 2024 671st MeWhenI 🇻🇦 609 121 24ms 29 Jul 2024 672nd james0x0A 605 150 510ms 30 Oct 2024 673rd LHLaurini 🇧🇷 604 169 436ms 30 Jul 2024 674th MeWhenI 🇻🇦 603 261 1,841ms 7 Nov 2025 675th MeWhenI 🇻🇦 600 170 469ms 27 Jul 2024 676th 051 🇸🇬 599 110 12ms 16 Dec 2025 677th prestosilver 🇺🇸 597 141 368ms 2 Feb 2026 678th denkyuu1 596 74 38ms 16 Feb 2026 679th CaedenHarper 🇨🇦 596 168 565ms 7 Oct 2025 680th JunkIce 595 100 419ms 3 Dec 2024 681st Salutations45 595 114 27ms 21 Nov 2024 682nd Just4FunCoder 594 111 32ms 26 Aug 2024 683rd MeWhenI 🇻🇦 592 95 204ms 3 Aug 2024 684th snoozingnewt 🇨🇦 590 184 115ms 20 Nov 2025 685th jipsong 🇩🇪 589 112 20ms 26 Jul 2024 685th jared-hughes 589 112 20ms 21 Dec 2024 685th tomh1012 589 112 12ms 22 days ago 688th dokutan 585 88 1,355ms 9 Feb 2025 689th codewrite 🇬🇧 585 155 514ms 13 Jan 2026 689th amazingalek 🇳🇴 585 155 444ms 21 Jan 2026 691st Natanaelel 🇸🇪 584 47 121ms 24 Apr 2025 692nd zakariamouhid 584 108 11ms 28 Jul 2024 692nd ShiraJoseph 🇺🇸 584 108 12ms 1 Mar 2025 694th msbranicky 584 113 15ms 25 Jul 2024 694th galloj 🇨🇿 584 113 11ms 26 Aug 2024 694th neihousaigaai 584 113 13ms 5 Oct 2024 694th CutSandstone 584 113 26ms 21 Dec 2024 694th Troon 584 113 18ms 21 Feb 2025 694th adoxography 584 113 11ms 31 Aug 2025 694th TheZwierzLF 🇵🇱 584 113 15ms 25 Nov 2025 701st Shanethegamer 🇺🇸 582 203 62ms 13 Feb 2025 702nd weliveinhell 🇭🇹 579 109 11ms 7 Oct 2024 703rd Mabeloid 🇳🇴 578 103 514ms 4 May 2025 704th ffelixm 578 114 11ms 28 May 2025 704th butnaruteodor 578 114 23ms 30 Oct 2025 706th Shanethegamer 🇺🇸 578 124 26ms 29 Jul 2024 707th MeWhenI 🇻🇦 578 147 4ms 27 Jul 2024 707th LHLaurini 🇧🇷 578 147 3ms 30 Jul 2024 709th JRaspass 🇬🇧 577 61 9ms 10 Aug 2024 710th Chinay-Domitrix 🇺🇸 577 129 2,657ms 11 days ago 711th ethanlally 575 174 490ms 6 Nov 2025 711th snoozingnewt 🇨🇦 575 174 486ms 5 Dec 2025 713th iliazeus 574 110 11ms 25 Nov 2025 714th dokutan 574 136 12ms 9 days ago 715th acer-xq 574 158 435ms 30 Jul 2024 716th b10011 🇫🇮 573 115 24ms 27 Aug 2024 716th Mikey-Beep 🇬🇧 573 115 10ms 2 Sep 2024 716th robin-scragg 573 115 12ms 27 Aug 2025 716th Hyperoplex145 573 115 12ms 8 days ago 716th StefanHabel 🇨🇦 573 115 11ms 5 days ago First Prev 641–720 of 950 Next Last