The Gray Code Decoder and Gray Code Encoder holes will go live in approximately 101 mins. Why not try and solve them ahead of time?
Divisors 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 481st nathanfarlow 933 57 10ms 13 May 2023 481st TheoKeller1 933 57 10ms 6 Jun 2023 481st janbehrens 🇩🇪 933 57 11ms 17 Jun 2023 481st upavloff 933 57 10ms 15 Jul 2023 481st AlexanderFair 933 57 11ms 21 Jul 2023 481st Rubiksmath 933 57 10ms 27 Jul 2023 481st dteague3989 933 57 10ms 3 Aug 2023 481st Heathcorp 🇦🇺 933 57 10ms 18 Aug 2023 481st gXLg 🇩🇪 933 57 10ms 19 Sep 2023 481st kaptsanovb 933 57 11ms 23 Sep 2023 481st suhren 933 57 10ms 1 Oct 2023 481st Kacarott 🇦🇺 933 57 11ms 2 Oct 2023 481st cros107 🇦🇺 933 57 10ms 3 Oct 2023 481st 1337Nerd 933 57 10ms 20 Oct 2023 481st bzijlema 🇳🇱 933 57 9ms 31 Oct 2023 481st Grrisly 933 57 10ms 7 Nov 2023 481st mikehanus 933 57 10ms 21 Nov 2023 481st sgiandomenico 933 57 11ms 16 Dec 2023 481st Glinte 933 57 11ms 19 Dec 2023 481st kurkale6ka 933 57 11ms 29 Dec 2023 481st m42km 933 57 10ms 29 Dec 2023 481st tobeannouncd 933 57 11ms 5 Jan 2024 481st gweicox 933 57 10ms 7 Jan 2024 481st stackofbears 933 57 10ms 8 Jan 2024 481st smokestacklightnin 🇺🇸 933 57 10ms 10 Jan 2024 481st Dataen 933 57 10ms 12 Jan 2024 481st Hebelub 933 57 11ms 12 Jan 2024 481st VictorStenvers 🇳🇱 933 57 10ms 21 Feb 2024 481st elgan65536 🇺🇸 933 57 15ms 31 Mar 2024 481st alex742 933 57 11ms 10 Apr 2024 481st JamesTadleyGreen 933 57 11ms 10 Apr 2024 481st stertooy 🇧🇪 933 57 11ms 9 Jun 2024 481st wuzekai518 933 57 10ms 17 Jun 2024 481st drochom 933 57 10ms 20 Jun 2024 481st icell3ap 933 57 11ms 28 Jun 2024 481st fourth-bit 933 57 10ms 4 Jul 2024 481st CutSandstone 933 57 10ms 4 Jul 2024 481st cykim8811 933 57 10ms 9 Jul 2024 481st madex 🇩🇪 933 57 10ms 9 Jul 2024 481st ahmetdemirag 🇨🇾 933 57 10ms 23 Jul 2024 481st imelxr 🇮🇱 933 57 10ms 14 Aug 2024 481st alemelis 933 57 11ms 13 Sep 2024 481st ridingqwerty 🇺🇸 933 57 11ms 22 Sep 2024 481st TaserTheFox 🇺🇸 933 57 11ms 13 Oct 2024 481st error256 933 57 11ms 24 Oct 2024 481st agreegious 933 57 10ms 14 Nov 2024 481st snydej 933 57 10ms 21 Nov 2024 481st JunkIce 933 57 11ms 24 Nov 2024 481st TralfamadorianComedian 933 57 11ms 6 Dec 2024 481st tjwrenn 933 57 10ms 16 Jan 2025 481st cefqrn 933 57 10ms 21 Jan 2025 481st Muhammad-Abyaz 933 57 11ms 13 Feb 2025 481st kops-cg 933 57 10ms 14 Feb 2025 481st frankgraziano 933 57 10ms 20 Feb 2025 481st andrewjc2000 933 57 13ms 3 Mar 2025 481st jipsong 🇩🇪 933 57 10ms 18 Mar 2025 481st 4atj 933 57 101ms 18 Apr 2025 481st ryyyn 🇺🇸 933 57 10ms 20 May 2025 481st Lv0Sys 🇵🇱 933 57 11ms 31 May 2025 481st smilesformiles3 933 57 10ms 14 Jun 2025 481st dirckvdende 933 57 10ms 2 Jul 2025 481st xiaoyiming123 933 57 10ms 24 Jul 2025 481st Daniel-Ellison 933 57 10ms 8 Aug 2025 481st janlelis 933 57 12ms 14 Aug 2025 481st BrunoVisnadi 🇧🇷 933 57 10ms 27 Sep 2025 481st solisolu 933 57 11ms 30 Oct 2025 481st jacekwladzinski 933 57 11ms 4 Nov 2025 481st GodlyProgrammer1 933 57 11ms 27 Nov 2025 481st CommandLeo 🇮🇹 933 57 11ms 28 Nov 2025 481st Natanaelel 🇸🇪 933 57 10ms 9 Feb 2026 481st Googolplexo 🇷🇺 933 57 11ms 6 days ago 481st aksyristos 933 57 11ms 5 days ago 481st professor-l 933 57 11ms 2 days ago 714th canissimia 🇦🇶 932 49 2ms 5 Mar 2023 714th xsot 🇸🇬 932 49 2ms 28 Apr 2024 716th ScottHamper 930 81 477ms 30 Nov 2025 717th DialFrost 🇸🇬 929 43 138ms 4 Aug 2024 717th Steffan153 🇫🇮 929 43 140ms 4 Aug 2024 717th Lydxn 🇨🇦 929 43 146ms 6 Aug 2024 717th JayXon 🇺🇸 929 43 138ms 7 Aug 2024 First Prev 641–720 of 5,511 Next Last