The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 33 hours. Why not try and solve them ahead of time?
Scrambled Sort 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 401st Shanethegamer 🇺🇸 678 177 17ms 31 May 2025 401st Shanethegamer 🇺🇸 678 177 32ms 31 May 2025 403rd mousetail 🇳🇱 676 99 12ms 1 Jun 2025 403rd paiv 676 99 12ms 16 Jun 2025 405th Maznek 676 127 11ms 12 Jun 2025 405th Yax42 🇫🇷 676 127 13ms 21 Jan 2026 407th emgordon154 674 277 2ms 2 Jun 2025 408th albanian-laundromat 672 71 34ms 1 Nov 2025 409th tomh1012 672 200 187ms 13 days ago 410th dokutan 671 89 459ms 5 Jun 2025 411th hiichbindermax 669 100 13ms 31 May 2025 411th msbranicky 669 100 11ms 31 May 2025 411th fourth-bit 669 100 11ms 2 Jun 2025 411th RobGLambert 669 100 11ms 7 Jun 2025 415th Chinay-Domitrix 🇺🇸 668 129 2,791ms 15 days ago 416th prestosilver 🇺🇸 667 280 2ms 18 Dec 2025 417th edsrzf 🇳🇿 665 281 2ms 5 Jun 2025 418th andrewjc2000 663 101 11ms 31 May 2025 418th bnic24 663 101 12ms 18 Jun 2025 418th benmuth 663 101 11ms 12 Sep 2025 418th guilhem-roy 🇫🇷 663 101 12ms 22 Nov 2025 422nd MeWhenI 🇻🇦 662 36 2ms 11 Jun 2025 423rd jake6192 660 130 12ms 31 May 2025 423rd CaedenHarper 🇨🇦 660 130 11ms 3 Sep 2025 425th inventshah 658 283 3,149ms 3 Jun 2025 426th albanian-laundromat 658 288 289ms 3 Dec 2025 427th emgordon154 656 154 559ms 31 May 2025 428th stefangimmillaro 653 236 533ms 6 Oct 2025 429th KasperKivimaeki 🇫🇮 652 291 281ms 7 Oct 2025 429th Lv0Sys 🇵🇱 652 291 300ms 11 Dec 2025 431st Shanethegamer 🇺🇸 652 356 1,557ms 31 May 2025 432nd Yewzir 🇧🇪 650 103 11ms 2 Jan 2025 432nd rollershutter 650 103 13ms 22 May 2025 434th didion0 🇺🇸 650 132 13ms 25 Aug 2025 434th alexsave 650 132 11ms 13 Jan 2026 436th lukechampine 649 292 285ms 7 Jun 2025 437th TheZwierzLF 🇵🇱 645 74 42ms 26 Dec 2025 438th Salutations45 645 133 13ms 26 Jun 2025 439th Shanethegamer 🇺🇸 644 37 2ms 3 Jun 2025 440th Shanethegamer 🇺🇸 644 109 174ms 19 May 2025 441st FortuiteMan 🇫🇷 643 104 11ms 20 Jul 2025 441st CatsAreFluffy 643 104 11ms 30 Oct 2025 443rd GolfingSuccess 🇬🇷 642 290 2,990ms 20 May 2025 444th yahelihol 637 105 11ms 10 Jun 2025 444th HagenFritz 637 105 11ms 19 Jun 2025 444th AstroOrbis 637 105 10ms 4 Feb 2026 444th aksyristos 637 105 11ms 13 days ago 448th snoozingnewt 🇨🇦 633 93 1,031ms 6 Dec 2025 449th jerrandolph 632 300 301ms 20 Sep 2025 450th CaedenHarper 🇨🇦 631 244 614ms 7 Oct 2025 451st madex 🇩🇪 628 76 38ms 1 Jun 2025 452nd BambooleanLogic 🇸🇪 627 137 11ms 11 Jun 2025 453rd mousetail 🇳🇱 627 234 406ms 10 Nov 2025 454th Shanethegamer 🇺🇸 626 122 11ms 31 May 2025 455th taesungh 625 107 11ms 7 Jun 2025 456th error256 623 209 39ms 2 Jun 2025 457th LukeBridges 🇬🇧 622 138 10ms 26 Jun 2025 458th madex 🇩🇪 622 236 424ms 1 Jun 2025 459th DialFrost 🇸🇬 621 113 149ms 9 Jun 2025 460th h3ra993huskp 🇯🇵 621 248 521ms 30 Nov 2025 461st Luke44565 620 108 10ms 25 Jun 2025 462nd snoozingnewt 🇨🇦 620 201 124ms 20 Nov 2025 463rd albanian-laundromat 620 500 9ms 15 Dec 2025 464th juliansiebert 🇩🇪 619 86 413ms 14 Jun 2025 465th kmathis22 616 250 448ms 12 Dec 2025 466th CaedenHarper 🇨🇦 616 308 294ms 2 Nov 2025 467th Ripick 614 152 443ms 31 Oct 2025 468th rucin93 🇵🇱 611 115 150ms 3 Jun 2025 469th shininglegend 608 110 13ms 19 Jun 2025 469th nemoyatpeace 608 110 11ms 16 Jan 2026 471st junkondo-jp 605 142 11ms 30 Jan 2026 472nd msbranicky 602 315 277ms 1 Jul 2025 473rd Protothor 600 143 11ms 20 Jun 2025 473rd madeforlosers 600 143 13ms 22 Aug 2025 475th InigoK 🇺🇸 597 112 11ms 7 Sep 2025 476th sciencejiho 592 113 11ms 10 Feb 2025 477th Daniikk1012 587 49 33ms 2 Nov 2025 478th nyson 587 182 436ms 17 Jun 2025 478th codewrite 🇬🇧 587 182 471ms 2 Jan 2026 480th KatieLG 🇬🇧 584 230 201ms 31 May 2025 First Prev 401–480 of 641 Next Last