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 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 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 NewDefectus 🇮🇱 801 35 50ms 25 Jan 2022 642nd MeWhenI 🇻🇦 801 50 3ms 11 Nov 2022 643rd Yewzir 🇧🇪 801 90 55ms 14 Oct 2023 644th Steffan153 🇫🇮 800 80 1,409ms 7 days ago 645th MeWhenI 🇻🇦 800 88 457ms 28 Feb 2022 646th apourchot 798 63 21ms 13 Feb 2021 646th neihousaigaai 798 63 11ms 10 Apr 2021 646th lechevalier 798 63 12ms 9 Aug 2021 646th yzhs 🇩🇪 798 63 10ms 7 Jun 2022 646th commandz0 🇺🇸 798 63 14ms 19 Sep 2022 646th fourth-bit 798 63 12ms 21 Nov 2022 646th FortuiteMan 🇫🇷 798 63 27ms 8 Sep 2023 646th ssbhatt4321 798 63 27ms 14 Oct 2023 646th JOrE20 798 63 13ms 25 Feb 2026 655th Yax42 🇫🇷 798 77 422ms 5 May 2025 656th TrueBoxGuy 798 95 129ms 24 Sep 2025 657th emgordon154 798 98 72ms 11 days ago 658th DialFrost 🇸🇬 797 53 39ms 2 Feb 2023 658th SirBogman 🇺🇸 797 53 41ms 10 Jun 2024 660th primo-ppcg 🇹🇭 797 78 69ms 13 Oct 2023 661st tobeannouncd 797 82 124ms 8 Jan 2024 662nd GrayJoKing 🇦🇺 796 86 10ms 15 Aug 2023 662nd Shanethegamer 🇺🇸 796 86 11ms 11 Jan 2024 664th m-ender 🇩🇪 796 91 174ms 23 Apr 2021 665th GrayJoKing 🇦🇺 795 68 2ms 21 Jan 2021 665th m-tkach 🇺🇦 795 68 2ms 25 Apr 2022 665th MeWhenI 🇻🇦 795 68 2ms 11 Nov 2022 668th MichalMarsalek 🇨🇿 794 84 117ms 6 Jan 2023 669th SirBogman 🇺🇸 793 31 52ms 7 Oct 2022 670th janbehrens 🇩🇪 792 91 62ms 20 Nov 2022 670th snyderek 🇺🇸 792 91 54ms 21 Nov 2024 670th dokutan 792 91 69ms 18 Jul 2025 673rd MeWhenI 🇻🇦 791 83 3ms 10 Sep 2022 674th Shanethegamer 🇺🇸 791 89 468ms 26 Jul 2023 675th Salutations45 790 59 11ms 9 Jan 2025 676th MeWhenI 🇻🇦 790 63 154ms 16 Nov 2022 677th kkoenig 790 111 342ms 5 Jan 2024 678th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 678th AlephSquirrel 789 19 2ms 8 Nov 2025 680th SirBogman 🇺🇸 788 91 38ms 3 Jun 2025 681st prplz 🇦🇺 787 46 297ms 24 Jan 2021 681st TimCurwick 🇺🇸 787 46 258ms 26 Jan 2021 681st SirBogman 🇺🇸 787 46 284ms 2 Feb 2024 684th RDShah 785 64 12ms 17 Jan 2021 684th andre-lameirinhas 🇵🇹 785 64 11ms 22 Feb 2021 684th stertooy 🇧🇪 785 64 12ms 10 Jun 2024 684th Terobero 785 64 21ms 6 Sep 2024 684th moustave 785 64 12ms 5 May 2025 684th Code-Coder-coder 785 64 13ms 25 Nov 2025 684th Lv0Sys 🇵🇱 785 64 13ms 4 Dec 2025 684th BrunoVisnadi 🇧🇷 785 64 34ms 12 days ago 692nd Yewzir 🇧🇪 785 82 101ms 28 Mar 2024 693rd Shanethegamer 🇺🇸 783 63 386ms 2 Jul 2021 694th Waffle3z 782 54 42ms 19 Jan 2021 694th KatieLG 🇬🇧 782 54 43ms 9 Jan 2023 694th Andriamanitra 🇫🇮 782 54 45ms 20 Jul 2023 697th Shanethegamer 🇺🇸 780 106 33ms 20 Jan 2025 698th SirBogman 🇺🇸 779 46 232ms 22 Oct 2021 699th anter69 🇭🇺 777 59 1,490ms 24 Feb 2023 699th SirBogman 🇺🇸 777 59 1,590ms 10 Jun 2024 701st rak1507 🇬🇧 777 60 13ms 20 Jan 2021 701st Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 701st duckyluuk 🇳🇱 777 60 10ms 4 Oct 2024 704th MeWhenI 🇻🇦 776 59 1,074ms 15 Sep 2025 705th ovs-code 🇩🇪 776 142 11ms 31 Mar 2023 706th commandz0 🇺🇸 775 62 523ms 15 Jan 2024 707th Shanethegamer 🇺🇸 775 93 56ms 12 Jan 2022 708th NewDefectus 🇮🇱 774 25 4ms 25 Oct 2021 709th scpchicken 🇵🇼 774 48 3ms 15 Dec 2022 710th emgordon154 774 107 110ms 4 Dec 2025 711th TobyBoyne 🇬🇧 773 65 11ms 21 Jan 2021 711th 77Tigers 773 65 33ms 1 Mar 2021 711th knutae 🇳🇴 773 65 12ms 29 Jun 2021 711th ehulinsky 🇺🇸 773 65 13ms 10 Nov 2021 711th guilhem-roy 🇫🇷 773 65 12ms 28 Feb 2022 711th martinnorling 🇸🇪 773 65 11ms 8 Mar 2022 711th fgrosshans 🇫🇷 773 65 11ms 12 Jul 2022 711th IshanPanpaliya 773 65 11ms 3 May 2023 711th nooberitess 773 65 12ms 8 Apr 2025 711th robin-scragg 773 65 16ms 21 Oct 2025 First Prev 641–720 of 2,049 Next Last