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 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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 318th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 318th DaCuteRaccoon 881 45 6ms 9 Dec 2022 318th DialFrost 🇸🇬 881 45 7ms 1 Feb 2023 318th janbehrens 🇩🇪 881 45 5ms 16 May 2023 325th SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 326th lynn 880 25 34ms 11 Apr 2021 326th GrayJoKing 🇦🇺 880 25 33ms 15 Feb 2022 326th jared-hughes 880 25 33ms 21 Apr 2022 326th rak1507 🇬🇧 880 25 33ms 28 Jan 2023 326th bstrat 880 25 35ms 15 Jul 2024 331st DialFrost 🇸🇬 880 52 193ms 7 Jan 2024 331st Steffan153 🇫🇮 880 52 204ms 26 Feb 2024 331st sean-niemann 🇺🇸 880 52 225ms 27 Jun 2025 334th schachmattmatt 880 56 11ms 18 Aug 2021 334th MeWhenI 🇻🇦 880 56 31ms 22 Oct 2021 334th Irratix 🇳🇱 880 56 11ms 19 Apr 2022 334th tri1212 🇻🇳 880 56 11ms 18 Jul 2022 334th fredrik-bakke 🇳🇴 880 56 11ms 29 Sep 2022 334th neel11235813 880 56 32ms 21 Dec 2022 334th sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 334th elgan65536 🇺🇸 880 56 11ms 31 Mar 2024 334th HETHAT 🇩🇿 880 56 11ms 12 Apr 2024 334th wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 334th Seek64 🇩🇪 880 56 23ms 8 days ago 345th JayXon 🇺🇸 880 73 116ms 15 Oct 2022 345th Steffan153 🇫🇮 880 73 130ms 7 Dec 2022 345th sean-niemann 🇺🇸 880 73 123ms 20 May 2024 348th tomtheisen 🇺🇸 879 53 11ms 18 Jan 2021 348th prplz 🇦🇺 879 53 10ms 24 Jan 2021 348th jakzo 879 53 10ms 5 Sep 2021 348th ovs-code 🇩🇪 879 53 11ms 5 Oct 2023 348th dokutan 879 53 11ms 18 Jul 2025 353rd Steffan153 🇫🇮 879 54 6ms 18 Aug 2024 354th GrayJoKing 🇦🇺 879 74 96ms 6 Jun 2023 354th Steffan153 🇫🇮 879 74 112ms 18 Aug 2024 356th namelessiw 879 76 368ms 2 Oct 2025 356th Yewzir 🇧🇪 879 76 377ms 2 Oct 2025 358th Steffan153 🇫🇮 878 81 59ms 23 Mar 2023 358th sean-niemann 🇺🇸 878 81 60ms 23 Sep 2023 360th Steffan153 🇫🇮 878 94 49ms 18 Jan 2023 361st GrayJoKing 🇦🇺 877 27 57ms 2 Aug 2022 362nd GrayJoKing 🇦🇺 877 73 38ms 27 Jun 2022 362nd primo-ppcg 🇹🇭 877 73 38ms 28 Jun 2022 364th m-tkach 🇺🇦 877 107 17ms 17 May 2022 365th saito-ta 🇯🇵 876 55 3ms 26 May 2022 365th nwellnhof 🇩🇪 876 55 3ms 13 May 2023 367th GrayJoKing 🇦🇺 876 63 9ms 31 Jan 2025 368th Irratix 🇳🇱 876 68 432ms 13 Dec 2021 368th namelessiw 876 68 394ms 18 Jul 2025 370th emplv 🇱🇻 876 98 319ms 18 Jan 2022 370th stefangimmillaro 876 98 276ms 21 Jun 2023 372nd zacjl 875 72 40ms 13 Feb 2025 373rd primo-ppcg 🇹🇭 875 78 4ms 2 May 2023 374th JayXon 🇺🇸 874 127 1,725ms 22 Apr 2024 375th m-tkach 🇺🇦 873 55 378ms 20 Jan 2024 375th neel11235813 873 55 453ms 29 Mar 2024 377th MeWhenI 🇻🇦 873 76 14ms 18 Jan 2026 378th stefangimmillaro 873 82 39ms 26 Apr 2025 379th primo-ppcg 🇹🇭 872 57 151ms 1 May 2023 380th jared-hughes 872 126 15ms 7 Jul 2024 381st Steffan153 🇫🇮 868 79 451ms 23 Mar 2023 381st DialFrost 🇸🇬 868 79 463ms 7 Nov 2025 383rd btjones0 868 87 123ms 26 Jan 2021 383rd lynn 868 87 117ms 7 Jul 2024 385th ovs-code 🇩🇪 867 43 94ms 21 Dec 2022 386th Irratix 🇳🇱 867 82 59ms 18 Dec 2022 387th primo-ppcg 🇹🇭 865 57 10ms 18 Jan 2021 387th prplz 🇦🇺 865 57 13ms 21 Jan 2021 387th OllieBoyne 🇬🇧 865 57 10ms 22 Jan 2021 387th hiddicop 🇸🇪 865 57 11ms 29 Jan 2021 387th lynn 865 57 12ms 6 Mar 2021 387th vezzick 865 57 13ms 8 Mar 2021 387th kops-cg 865 57 11ms 8 Apr 2021 387th clementblaudeau 865 57 11ms 1 Jun 2021 387th jared-hughes 865 57 11ms 14 Aug 2021 387th michelebastione 🇮🇹 865 57 12ms 16 Aug 2021 387th Indivicivet 865 57 11ms 26 Oct 2021 387th bricknellj 865 57 11ms 14 Jan 2022 387th scpchicken 🇵🇼 865 57 11ms 12 Mar 2022 387th pascscha 865 57 12ms 28 Apr 2022 First Prev 321–400 of 1,914 Next Last