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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 239th Lydxn 🇨🇦 890 79 469ms 23 Mar 2023 239th sean-niemann 🇺🇸 890 79 469ms 23 Sep 2023 243rd Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 243rd sean-niemann 🇺🇸 889 45 2ms 31 Oct 2022 243rd primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 243rd Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 243rd DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 248th prplz 🇦🇺 889 69 402ms 21 Nov 2021 248th DialFrost 🇸🇬 889 69 404ms 7 Nov 2025 250th Shanethegamer 🇺🇸 889 72 1,321ms 19 Jan 2025 251st Steffan153 🇫🇮 889 81 56ms 23 Mar 2023 251st sean-niemann 🇺🇸 889 81 57ms 23 Sep 2023 253rd Lydxn 🇨🇦 888 75 124ms 12 Jul 2021 254th zacjl 887 71 8ms 21 Oct 2024 255th JayXon 🇺🇸 887 77 92ms 19 Feb 2021 256th Kacarott 🇦🇺 886 70 60ms 9 Dec 2025 256th GrayJoKing 🇦🇺 886 70 62ms 9 Dec 2025 258th GrayJoKing 🇦🇺 885 59 12ms 8 Aug 2023 259th inventshah 885 74 9ms 19 Sep 2022 260th DialFrost 🇸🇬 885 99 299ms 7 Nov 2025 261st o0lit3 🇺🇸 884 42 3ms 13 Jun 2022 261st DaCuteRaccoon 884 42 4ms 9 Dec 2022 261st DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 261st MeWhenI 🇻🇦 884 42 4ms 16 Apr 2023 261st nwellnhof 🇩🇪 884 42 4ms 29 May 2023 261st xsot 🇸🇬 884 42 4ms 27 Jun 2025 261st blaztoma 🇱🇹 884 42 3ms 12 Jan 2026 268th GrayJoKing 🇦🇺 884 69 1ms 9 Apr 2022 269th primo-ppcg 🇹🇭 884 81 39ms 2 May 2025 270th clockworknazo 883 83 17ms 26 Sep 2022 270th GrayJoKing 🇦🇺 883 83 16ms 12 Feb 2023 272nd emplv 🇱🇻 883 97 26ms 27 Jul 2023 273rd razetime 882 17 2ms 12 Jan 2022 274th DialFrost 🇸🇬 882 74 116ms 28 Apr 2025 275th sisyphus-ppcg 🇦🇺 881 45 6ms 17 Jan 2021 275th Lydxn 🇨🇦 881 45 5ms 17 Jan 2021 275th emplv 🇱🇻 881 45 5ms 17 Jan 2021 275th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 275th DaCuteRaccoon 881 45 5ms 9 Dec 2022 275th DialFrost 🇸🇬 881 45 5ms 1 Feb 2023 275th janbehrens 🇩🇪 881 45 5ms 16 May 2023 282nd GrayJoKing 🇦🇺 881 57 10ms 17 Jan 2021 282nd btjones0 881 57 11ms 17 Jan 2021 282nd hallvabo 🇳🇴 881 57 11ms 18 Jan 2021 282nd TFeld00 🇩🇰 881 57 11ms 18 Jan 2021 282nd primo-ppcg 🇹🇭 881 57 10ms 18 Jan 2021 282nd prplz 🇦🇺 881 57 13ms 21 Jan 2021 282nd OllieBoyne 🇬🇧 881 57 10ms 22 Jan 2021 282nd KatieLG 🇬🇧 881 57 11ms 23 Jan 2021 282nd hiddicop 🇸🇪 881 57 11ms 29 Jan 2021 282nd anter69 🇭🇺 881 57 12ms 3 Feb 2021 282nd lynn 881 57 12ms 6 Mar 2021 282nd kops-cg 881 57 11ms 8 Apr 2021 282nd clementblaudeau 881 57 11ms 1 Jun 2021 282nd orthoplex 🇨🇽 881 57 12ms 29 Jul 2021 282nd jared-hughes 881 57 11ms 14 Aug 2021 282nd michelebastione 🇮🇹 881 57 12ms 16 Aug 2021 282nd RYNO8 881 57 10ms 4 Sep 2021 282nd Indivicivet 881 57 11ms 26 Oct 2021 282nd annaproxy 881 57 10ms 8 Dec 2021 282nd Fishron 881 57 13ms 22 Dec 2021 282nd MeWhenI 🇻🇦 881 57 10ms 25 Dec 2021 282nd bricknellj 881 57 11ms 14 Jan 2022 282nd scpchicken 🇵🇼 881 57 11ms 12 Mar 2022 282nd pascscha 881 57 12ms 28 Apr 2022 282nd jgygax 881 57 12ms 28 Apr 2022 282nd stefangimmillaro 881 57 11ms 13 May 2022 282nd inventshah 881 57 11ms 19 Sep 2022 282nd LogicalJoe 881 57 10ms 19 Sep 2022 282nd lzahray 881 57 31ms 21 Oct 2022 282nd thehylian 881 57 11ms 10 Jan 2023 282nd 5cw 🇺🇸 881 57 11ms 10 Apr 2023 282nd xsot 🇸🇬 881 57 25ms 26 Apr 2023 282nd Rubiksmath 881 57 10ms 14 Aug 2023 282nd kg583 🇺🇸 881 57 24ms 26 Sep 2023 282nd bzijlema 🇳🇱 881 57 11ms 15 Nov 2023 282nd janbehrens 🇩🇪 881 57 11ms 30 Dec 2023 282nd mathisfun271 881 57 10ms 4 Feb 2024 282nd duckyluuk 🇳🇱 881 57 25ms 6 Feb 2024 282nd Yewzir 🇧🇪 881 57 12ms 29 Feb 2024 First Prev 241–320 of 1,929 Next Last