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 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 Chars Time Submitted 401st Shanethegamer 🇺🇸 865 53 1,372ms 23 May 2021 401st MeWhenI 🇻🇦 865 53 1,549ms 16 Mar 2022 401st edsrzf 🇳🇿 865 53 1,868ms 31 Aug 2025 401st DialFrost 🇸🇬 865 53 1,059ms 1 Sep 2025 401st xsot 🇸🇬 865 53 1,087ms 21 Dec 2025 406th primo-ppcg 🇹🇭 865 57 11ms 18 Jan 2021 406th prplz 🇦🇺 865 57 14ms 21 Jan 2021 406th OllieBoyne 🇬🇧 865 57 12ms 22 Jan 2021 406th hiddicop 🇸🇪 865 57 12ms 29 Jan 2021 406th lynn 865 57 15ms 6 Mar 2021 406th vezzick 865 57 11ms 8 Mar 2021 406th kops-cg 865 57 11ms 8 Apr 2021 406th clementblaudeau 865 57 11ms 1 Jun 2021 406th jared-hughes 865 57 12ms 14 Aug 2021 406th michelebastione 🇮🇹 865 57 14ms 16 Aug 2021 406th Indivicivet 865 57 11ms 26 Oct 2021 406th bricknellj 865 57 15ms 14 Jan 2022 406th scpchicken 🇵🇼 865 57 11ms 12 Mar 2022 406th pascscha 865 57 15ms 28 Apr 2022 406th jgygax 865 57 17ms 28 Apr 2022 406th stefangimmillaro 865 57 11ms 13 May 2022 406th ZakkkkAttackkkk 🇵🇭 865 57 15ms 31 Jul 2022 406th inventshah 865 57 11ms 19 Sep 2022 406th LogicalJoe 865 57 13ms 19 Sep 2022 406th lzahray 865 57 36ms 21 Oct 2022 406th thehylian 865 57 11ms 10 Jan 2023 406th 5cw 🇺🇸 865 57 11ms 10 Apr 2023 406th xsot 🇸🇬 865 57 25ms 26 Apr 2023 406th Rubiksmath 865 57 12ms 14 Aug 2023 406th bzijlema 🇳🇱 865 57 14ms 15 Nov 2023 406th janbehrens 🇩🇪 865 57 13ms 30 Dec 2023 406th mathisfun271 865 57 11ms 4 Feb 2024 406th thienudomsrirungruang 865 57 11ms 27 Apr 2024 406th wuzekai518 865 57 12ms 2 Aug 2024 406th bizy-coder 865 57 36ms 14 Aug 2024 406th michaelmgreer 865 57 11ms 9 Oct 2025 406th cros107 🇦🇺 865 57 15ms 31 Dec 2025 406th KasperKivimaeki 🇫🇮 865 57 14ms 3 Jan 2026 406th blaztoma 🇱🇹 865 57 12ms 11 Jan 2026 406th ryyyn 🇺🇸 865 57 36ms 21 Jan 2026 406th Flekay 🇩🇪 865 57 13ms 15 Feb 2026 406th JOrE20 865 57 14ms 25 Feb 2026 406th StefanHabel 🇨🇦 865 57 13ms 1 Mar 2026 406th jusaka 865 57 13ms 22 days ago 406th edsrzf 🇳🇿 865 57 12ms 18 days ago 446th error256 865 72 62ms 11 Dec 2025 447th GrayJoKing 🇦🇺 865 79 7ms 7 Mar 2026 447th emgordon154 865 79 12ms 8 Mar 2026 449th blaztoma 🇱🇹 864 46 6ms 11 Mar 2026 450th DaCuteRaccoon 864 54 10ms 9 Dec 2022 451st GrayJoKing 🇦🇺 864 96 32ms 18 Jan 2023 451st lynn 864 96 39ms 6 Aug 2023 453rd bitsandbeyond 🇳🇱 863 42 276ms 27 Oct 2025 454th sisyphus-ppcg 🇦🇺 863 56 2ms 12 Jul 2022 455th primo-ppcg 🇹🇭 863 195 11ms 2 Aug 2023 456th frosster 🇨🇦 862 71 2ms 27 Jan 2026 457th Lydxn 🇨🇦 862 100 25ms 13 Oct 2023 458th sean-niemann 🇺🇸 860 58 155ms 27 Apr 2024 459th primo-ppcg 🇹🇭 859 78 124ms 27 Mar 2021 459th Shanethegamer 🇺🇸 859 78 126ms 18 Mar 2023 459th Ripick 859 78 123ms 2 Jun 2025 462nd sean-niemann 🇺🇸 859 80 103ms 21 Sep 2023 462nd Yewzir 🇧🇪 859 80 102ms 16 Nov 2023 464th DialFrost 🇸🇬 859 132 1,636ms 9 days ago 465th ovs-code 🇩🇪 859 138 1,217ms 17 Feb 2025 466th Irratix 🇳🇱 858 62 2ms 20 Dec 2021 466th ovs-code 🇩🇪 858 62 2ms 8 May 2023 466th sean-niemann 🇺🇸 858 62 2ms 18 Dec 2023 469th inventshah 858 83 64ms 17 Nov 2022 469th ovs-code 🇩🇪 858 83 55ms 3 Jun 2024 469th DialFrost 🇸🇬 858 83 59ms 7 Nov 2025 472nd Lydxn 🇨🇦 857 63 2ms 15 Jan 2024 472nd JayXon 🇺🇸 857 63 2ms 29 Jan 2024 472nd rucin93 🇵🇱 857 63 2ms 19 Nov 2025 475th MeWhenI 🇻🇦 857 78 473ms 7 Nov 2025 476th GolfingSuccess 🇬🇷 857 106 4ms 19 days ago 477th MeWhenI 🇻🇦 856 84 40ms 29 Apr 2025 478th MeWhenI 🇻🇦 855 65 7ms 24 Dec 2024 479th Shanethegamer 🇺🇸 854 67 2,573ms 27 Oct 2024 480th kg583 🇺🇸 854 86 11ms 1 Sep 2025 First Prev 401–480 of 2,085 Next Last