Kolakoski Sequence 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 226th stefangimmillaro 897 47 43ms 23 Mar 2023 226th Natanaelel 🇸🇪 897 47 34ms 11 Apr 2023 226th m-tkach 🇺🇦 897 47 34ms 16 Jun 2023 229th GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 229th Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 229th clockworknazo 897 73 11ms 19 Sep 2022 229th JayXon 🇺🇸 897 73 3ms 28 Sep 2022 229th Lydxn 🇨🇦 897 73 5ms 13 Oct 2023 229th sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 235th GrayJoKing 🇦🇺 896 52 9ms 20 Jan 2021 235th janbehrens 🇩🇪 896 52 9ms 1 Aug 2021 235th inventshah 896 52 9ms 18 Jun 2022 235th dmrichwa 🇺🇸 896 52 9ms 28 Jul 2023 239th ovs-code 🇩🇪 896 53 9ms 30 Oct 2024 240th rak1507 🇬🇧 896 55 11ms 20 Jan 2021 240th GolfingSuccess 🇬🇷 896 55 14ms 25 Jan 2021 240th jacklynnepenick 896 55 11ms 19 Aug 2021 240th nwellnhof 🇩🇪 896 55 12ms 13 Jul 2022 240th jakobkordez 🇸🇮 896 55 15ms 8 Nov 2022 240th 2011-Chan-Ethan 896 55 11ms 20 Jul 2023 240th SB-945 896 55 10ms 20 Feb 2024 240th davecame 896 55 12ms 21 Aug 2024 240th albanian-laundromat 896 55 11ms 29 Mar 2025 240th 4atj 896 55 23ms 8 Apr 2025 250th Steffan153 🇫🇮 896 60 2ms 26 Jan 2024 250th sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 252nd Shanethegamer 🇺🇸 895 68 1ms 24 Jan 2021 253rd Steffan153 🇫🇮 894 96 266ms 10 Feb 2023 253rd sean-niemann 🇺🇸 894 96 265ms 21 Sep 2023 255th emplv 🇱🇻 892 72 96ms 28 Jul 2023 255th Lydxn 🇨🇦 892 72 101ms 28 Jul 2023 257th sean-niemann 🇺🇸 891 51 733ms 30 Aug 2025 258th GrayJoKing 🇦🇺 891 67 61ms 23 Mar 2023 258th IanUtley 891 67 70ms 9 May 2024 260th sean-niemann 🇺🇸 891 77 446ms 26 Sep 2023 260th Lydxn 🇨🇦 891 77 448ms 26 Sep 2023 260th JayXon 🇺🇸 891 77 471ms 26 Sep 2023 263rd CLOStrophobic 🇮🇹 891 82 56ms 24 Feb 2025 263rd zacjl 891 82 10ms 24 Feb 2025 265th Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 265th sean-niemann 🇺🇸 889 45 3ms 31 Oct 2022 265th primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 265th Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 265th DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 270th Yewzir 🇧🇪 889 54 368ms 15 Jan 2024 270th Shanethegamer 🇺🇸 889 54 361ms 16 Jan 2024 270th GrayJoKing 🇦🇺 889 54 352ms 23 Jul 2024 270th duckyluuk 🇳🇱 889 54 356ms 28 Aug 2024 270th KatieLG 🇬🇧 889 54 357ms 28 Oct 2024 270th GolfingSuccess 🇬🇷 889 54 342ms 25 Jan 2025 270th Babafaba 889 54 364ms 20 days ago 270th snoozingnewt 🇨🇦 889 54 373ms 8 days ago 278th inventshah 889 64 2,823ms 27 Oct 2024 278th stefangimmillaro 889 64 2,783ms 13 Nov 2024 278th JayXon 🇺🇸 889 64 2,848ms 13 Nov 2024 281st Shanethegamer 🇺🇸 889 72 1,319ms 19 Jan 2025 282nd prplz 🇦🇺 888 67 320ms 21 Nov 2021 282nd DialFrost 🇸🇬 888 67 346ms 7 Nov 2025 284th Lydxn 🇨🇦 888 75 125ms 12 Jul 2021 285th JayXon 🇺🇸 887 77 88ms 19 Feb 2021 286th Kacarott 🇦🇺 886 70 60ms 8 hours ago 286th GrayJoKing 🇦🇺 886 70 62ms 2 hours ago 288th GrayJoKing 🇦🇺 886 74 17ms 12 Feb 2023 289th GrayJoKing 🇦🇺 885 59 10ms 8 Aug 2023 290th nwellnhof 🇩🇪 885 60 2ms 13 Jul 2022 290th emplv 🇱🇻 885 60 2ms 28 Jul 2023 292nd zacjl 885 71 9ms 21 Oct 2024 293rd inventshah 885 74 9ms 19 Sep 2022 294th DialFrost 🇸🇬 885 97 271ms 7 Nov 2025 295th o0lit3 🇺🇸 884 42 2ms 13 Jun 2022 295th DaCuteRaccoon 884 42 4ms 9 Dec 2022 295th DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 295th MeWhenI 🇻🇦 884 42 3ms 16 Apr 2023 295th nwellnhof 🇩🇪 884 42 3ms 29 May 2023 295th xsot 🇸🇬 884 42 4ms 27 Jun 2025 First Prev 226–300 of 1,862 Next Last