Kolakoski Sequence in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 Morse Decoder Morse Encoder 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 594th ssbhatt4321 797 63 28ms 14 Oct 2023 594th Babafaba 797 63 24ms 15 hours ago 603rd MeWhenI 🇻🇦 797 88 416ms 28 Feb 2022 603rd DialFrost 🇸🇬 797 88 446ms 12 Nov 2023 605th m-tkach 🇺🇦 796 89 62ms 25 Apr 2022 605th MeWhenI 🇻🇦 796 89 61ms 8 May 2022 607th DialFrost 🇸🇬 795 53 39ms 2 Feb 2023 607th SirBogman 🇺🇸 795 53 37ms 10 Jun 2024 609th tobeannouncd 795 82 146ms 8 Jan 2024 610th Yax42 🇫🇷 794 77 378ms 5 May 2025 611th GrayJoKing 🇦🇺 794 86 12ms 15 Aug 2023 611th Shanethegamer 🇺🇸 794 86 10ms 11 Jan 2024 613th GrayJoKing 🇦🇺 793 68 2ms 21 Jan 2021 613th m-tkach 🇺🇦 793 68 2ms 25 Apr 2022 613th MeWhenI 🇻🇦 793 68 2ms 11 Nov 2022 616th MichalMarsalek 🇨🇿 793 84 150ms 6 Jan 2023 617th TrueBoxGuy 793 95 150ms 24 Sep 2025 618th SirBogman 🇺🇸 791 31 48ms 7 Oct 2022 619th Salutations45 790 59 12ms 9 Jan 2025 620th ashtraypettingzoo 🇺🇸 789 19 3ms 3 Apr 2023 621st MeWhenI 🇻🇦 788 63 107ms 16 Nov 2022 622nd Shanethegamer 🇺🇸 788 89 485ms 26 Jul 2023 623rd kkoenig 788 111 286ms 5 Jan 2024 624th MeWhenI 🇻🇦 787 83 3ms 10 Sep 2022 625th Yewzir 🇧🇪 787 90 56ms 14 Oct 2023 626th prplz 🇦🇺 785 46 232ms 24 Jan 2021 626th TimCurwick 🇺🇸 785 46 212ms 26 Jan 2021 626th SirBogman 🇺🇸 785 46 233ms 2 Feb 2024 629th RDShah 785 64 12ms 17 Jan 2021 629th andre-lameirinhas 🇵🇹 785 64 12ms 22 Feb 2021 629th stertooy 🇧🇪 785 64 11ms 10 Jun 2024 629th Mabeloid 🇳🇴 785 64 13ms 1 Sep 2024 629th Terobero 785 64 23ms 6 Sep 2024 629th moustave 785 64 12ms 5 May 2025 629th snoozingnewt 🇺🇸 785 64 21ms 8 days ago 636th SirBogman 🇺🇸 785 91 47ms 3 Jun 2025 637th Shanethegamer 🇺🇸 782 63 410ms 2 Jul 2021 638th Yewzir 🇧🇪 782 82 111ms 28 Mar 2024 639th Waffle3z 780 54 36ms 19 Jan 2021 639th KatieLG 🇬🇧 780 54 41ms 9 Jan 2023 639th Andriamanitra 🇫🇮 780 54 43ms 20 Jul 2023 642nd janbehrens 🇩🇪 779 91 67ms 20 Nov 2022 642nd snyderek 🇺🇸 779 91 52ms 21 Nov 2024 642nd dokutan 779 91 62ms 18 Jul 2025 645th DialFrost 🇸🇬 777 142 1,919ms 13 Sep 2025 646th rak1507 🇬🇧 776 60 10ms 20 Jan 2021 646th Shanethegamer 🇺🇸 776 60 11ms 26 Sep 2021 646th duckyluuk 🇳🇱 776 60 10ms 4 Oct 2024 649th Shanethegamer 🇺🇸 776 106 34ms 20 Jan 2025 650th anter69 🇭🇺 775 59 982ms 24 Feb 2023 650th SirBogman 🇺🇸 775 59 1,208ms 10 Jun 2024 652nd NewDefectus 🇮🇱 774 25 5ms 25 Oct 2021 653rd commandblockguy 🇺🇸 774 62 506ms 15 Jan 2024 654th scpchicken 🇵🇼 773 48 3ms 15 Dec 2022 655th TobyBoyne 🇬🇧 773 65 15ms 21 Jan 2021 655th 77Tigers 773 65 40ms 1 Mar 2021 655th knutae 🇳🇴 773 65 10ms 29 Jun 2021 655th ehulinsky 🇺🇸 773 65 13ms 10 Nov 2021 655th guilhem-roy 🇫🇷 773 65 10ms 28 Feb 2022 655th martinnorling 🇸🇪 773 65 11ms 8 Mar 2022 655th fgrosshans 🇫🇷 773 65 11ms 12 Jul 2022 655th IshanPanpaliya 773 65 13ms 3 May 2023 655th nooberitess 773 65 12ms 8 Apr 2025 655th mossiegoat 773 65 12ms 2 days ago 665th c0d3-4-F00d 🇩🇪 771 70 2ms 18 Mar 2022 665th Alex-x90 🇺🇸 771 70 2ms 6 Mar 2023 665th dokutan 771 70 2ms 18 Jul 2025 668th ovs-code 🇩🇪 771 142 12ms 31 Mar 2023 669th mousetail 🇳🇱 769 98 144ms 3 Oct 2024 670th MeWhenI 🇻🇦 768 47 199ms 28 Jan 2023 671st MeWhenI 🇻🇦 767 89 128ms 25 Dec 2022 672nd emgordon154 766 32 39ms 3 days ago 673rd LostSyntax21 🇬🇧 766 55 41ms 2 Oct 2024 674th retrohun 765 63 120ms 23 Jan 2023 675th rucin93 🇵🇱 764 60 122ms 9 Aug 2024 First Prev 601–675 of 1,786 Next Last