Kolakoski Sequence in all languages in bytes. 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 Bytes Time Submitted 641st ArmaanAS 804 58 9ms 4 Apr 2021 641st itsh01 804 58 9ms 18 Nov 2021 643rd MeWhenI 🇻🇦 802 50 3ms 11 Nov 2022 644th Steffan153 🇫🇮 802 80 1,720ms 9 days ago 645th MeWhenI 🇻🇦 802 88 457ms 28 Feb 2022 646th Yewzir 🇧🇪 802 90 55ms 14 Oct 2023 647th NewDefectus 🇮🇱 801 35 50ms 25 Jan 2022 648th emgordon154 800 98 72ms 13 days ago 649th apourchot 798 63 21ms 13 Feb 2021 649th neihousaigaai 798 63 11ms 10 Apr 2021 649th lechevalier 798 63 12ms 9 Aug 2021 649th yzhs 🇩🇪 798 63 10ms 7 Jun 2022 649th commandz0 🇺🇸 798 63 14ms 19 Sep 2022 649th fourth-bit 798 63 12ms 21 Nov 2022 649th FortuiteMan 🇫🇷 798 63 27ms 8 Sep 2023 649th ssbhatt4321 798 63 27ms 14 Oct 2023 649th JOrE20 798 63 13ms 25 Feb 2026 658th Yax42 🇫🇷 798 77 413ms 5 May 2025 659th primo-ppcg 🇹🇭 798 78 69ms 13 Oct 2023 660th GrayJoKing 🇦🇺 798 86 10ms 15 Aug 2023 660th Shanethegamer 🇺🇸 798 86 11ms 11 Jan 2024 662nd TrueBoxGuy 798 95 129ms 24 Sep 2025 663rd DialFrost 🇸🇬 797 53 39ms 2 Feb 2023 663rd SirBogman 🇺🇸 797 53 41ms 10 Jun 2024 665th tobeannouncd 797 82 124ms 8 Jan 2024 666th MichalMarsalek 🇨🇿 797 84 134ms 6 Jan 2023 667th m-ender 🇩🇪 796 91 174ms 23 Apr 2021 668th GrayJoKing 🇦🇺 795 68 2ms 21 Jan 2021 668th m-tkach 🇺🇦 795 68 2ms 25 Apr 2022 668th MeWhenI 🇻🇦 795 68 2ms 11 Nov 2022 671st SirBogman 🇺🇸 793 31 52ms 7 Oct 2022 672nd MeWhenI 🇻🇦 793 83 3ms 10 Sep 2022 673rd Shanethegamer 🇺🇸 793 89 468ms 26 Jul 2023 674th janbehrens 🇩🇪 793 91 62ms 20 Nov 2022 674th snyderek 🇺🇸 793 91 54ms 21 Nov 2024 674th dokutan 793 91 63ms 18 Jul 2025 677th MeWhenI 🇻🇦 792 63 154ms 16 Nov 2022 678th kkoenig 791 111 342ms 5 Jan 2024 679th Salutations45 790 59 17ms 9 Jan 2025 680th SirBogman 🇺🇸 790 91 38ms 3 Jun 2025 681st ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 681st AlephSquirrel 789 19 2ms 8 Nov 2025 683rd prplz 🇦🇺 788 46 297ms 24 Jan 2021 683rd TimCurwick 🇺🇸 788 46 258ms 26 Jan 2021 683rd SirBogman 🇺🇸 788 46 284ms 2 Feb 2024 686th Yewzir 🇧🇪 786 82 101ms 28 Mar 2024 687th RDShah 785 64 12ms 17 Jan 2021 687th andre-lameirinhas 🇵🇹 785 64 11ms 22 Feb 2021 687th stertooy 🇧🇪 785 64 12ms 10 Jun 2024 687th Terobero 785 64 21ms 6 Sep 2024 687th moustave 785 64 12ms 5 May 2025 687th Code-Coder-coder 785 64 13ms 25 Nov 2025 687th Lv0Sys 🇵🇱 785 64 13ms 4 Dec 2025 687th BrunoVisnadi 🇧🇷 785 64 26ms 14 days ago 695th Shanethegamer 🇺🇸 784 63 386ms 2 Jul 2021 696th Waffle3z 782 54 39ms 19 Jan 2021 696th KatieLG 🇬🇧 782 54 43ms 9 Jan 2023 696th Andriamanitra 🇫🇮 782 54 40ms 20 Jul 2023 699th vang1ong7ang 782 97 176ms 36 hours ago 700th Shanethegamer 🇺🇸 782 106 33ms 20 Jan 2025 701st SirBogman 🇺🇸 780 46 232ms 22 Oct 2021 702nd ovs-code 🇩🇪 778 142 11ms 31 Mar 2023 703rd anter69 🇭🇺 777 59 1,341ms 24 Feb 2023 703rd SirBogman 🇺🇸 777 59 1,295ms 10 Jun 2024 703rd MeWhenI 🇻🇦 777 59 976ms 15 Sep 2025 706th rak1507 🇬🇧 777 60 10ms 20 Jan 2021 706th Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 706th duckyluuk 🇳🇱 777 60 13ms 4 Oct 2024 709th emgordon154 777 107 110ms 4 Dec 2025 710th commandz0 🇺🇸 776 62 523ms 15 Jan 2024 711th Shanethegamer 🇺🇸 776 93 56ms 12 Jan 2022 712th scpchicken 🇵🇼 775 48 3ms 15 Dec 2022 713th NewDefectus 🇮🇱 774 25 4ms 25 Oct 2021 714th mousetail 🇳🇱 774 98 122ms 3 Oct 2024 715th TobyBoyne 🇬🇧 773 65 11ms 21 Jan 2021 715th 77Tigers 773 65 33ms 1 Mar 2021 715th knutae 🇳🇴 773 65 12ms 29 Jun 2021 715th ehulinsky 🇺🇸 773 65 13ms 10 Nov 2021 715th guilhem-roy 🇫🇷 773 65 12ms 28 Feb 2022 715th martinnorling 🇸🇪 773 65 11ms 8 Mar 2022 First Prev 641–720 of 2,109 Next Last