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 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 Chars Time Submitted 392nd michelebastione 🇮🇹 865 57 14ms 16 Aug 2021 392nd Indivicivet 865 57 11ms 26 Oct 2021 392nd bricknellj 865 57 15ms 14 Jan 2022 392nd scpchicken 🇵🇼 865 57 11ms 12 Mar 2022 392nd pascscha 865 57 15ms 28 Apr 2022 392nd jgygax 865 57 17ms 28 Apr 2022 392nd stefangimmillaro 865 57 11ms 13 May 2022 392nd ZakkkkAttackkkk 🇵🇭 865 57 15ms 31 Jul 2022 392nd inventshah 865 57 11ms 19 Sep 2022 392nd LogicalJoe 865 57 13ms 19 Sep 2022 392nd lzahray 865 57 36ms 21 Oct 2022 392nd thehylian 865 57 11ms 10 Jan 2023 392nd 5cw 🇺🇸 865 57 11ms 10 Apr 2023 392nd xsot 🇸🇬 865 57 25ms 26 Apr 2023 392nd Rubiksmath 865 57 12ms 14 Aug 2023 392nd bzijlema 🇳🇱 865 57 14ms 15 Nov 2023 392nd janbehrens 🇩🇪 865 57 13ms 30 Dec 2023 392nd mathisfun271 865 57 11ms 4 Feb 2024 392nd thienudomsrirungruang 865 57 11ms 27 Apr 2024 392nd wuzekai518 865 57 12ms 2 Aug 2024 392nd bizy-coder 865 57 36ms 14 Aug 2024 392nd michaelmgreer 865 57 11ms 9 Oct 2025 392nd cros107 🇦🇺 865 57 15ms 31 Dec 2025 392nd KasperKivimaeki 🇫🇮 865 57 14ms 3 Jan 2026 392nd blaztoma 🇱🇹 865 57 12ms 11 Jan 2026 392nd ryyyn 🇺🇸 865 57 36ms 21 Jan 2026 392nd Flekay 🇩🇪 865 57 13ms 15 Feb 2026 392nd JOrE20 865 57 14ms 25 Feb 2026 392nd StefanHabel 🇨🇦 865 57 13ms 1 Mar 2026 392nd jusaka 865 57 14ms 8 days ago 392nd edsrzf 🇳🇿 865 57 12ms 5 days ago 432nd janbehrens 🇩🇪 864 43 3ms 18 Jan 2021 433rd DialFrost 🇸🇬 864 76 3ms 14 Sep 2024 434th blaztoma 🇱🇹 863 46 6ms 11 Mar 2026 435th edsrzf 🇳🇿 863 53 1,868ms 31 Aug 2025 435th DialFrost 🇸🇬 863 53 1,059ms 1 Sep 2025 435th xsot 🇸🇬 863 53 1,087ms 21 Dec 2025 438th DaCuteRaccoon 863 54 13ms 9 Dec 2022 439th error256 863 72 62ms 11 Dec 2025 440th bitsandbeyond 🇳🇱 862 42 237ms 27 Oct 2025 441st sisyphus-ppcg 🇦🇺 862 56 2ms 12 Jul 2022 442nd GrayJoKing 🇦🇺 862 96 32ms 18 Jan 2023 442nd lynn 862 96 39ms 6 Aug 2023 444th frosster 🇨🇦 861 71 2ms 27 Jan 2026 445th GrayJoKing 🇦🇺 861 79 7ms 7 Mar 2026 445th emgordon154 861 79 12ms 8 Mar 2026 447th Lydxn 🇨🇦 860 100 25ms 13 Oct 2023 448th primo-ppcg 🇹🇭 860 195 11ms 2 Aug 2023 449th sean-niemann 🇺🇸 859 58 155ms 27 Apr 2024 450th inventshah 858 83 54ms 17 Nov 2022 450th ovs-code 🇩🇪 858 83 58ms 3 Jun 2024 450th DialFrost 🇸🇬 858 83 52ms 7 Nov 2025 453rd snoozingnewt 🇨🇦 858 101 108ms 5 Dec 2025 454th Irratix 🇳🇱 857 62 2ms 20 Dec 2021 454th ovs-code 🇩🇪 857 62 2ms 8 May 2023 454th sean-niemann 🇺🇸 857 62 2ms 18 Dec 2023 457th MeWhenI 🇻🇦 857 78 473ms 7 Nov 2025 458th sean-niemann 🇺🇸 857 80 98ms 21 Sep 2023 458th Yewzir 🇧🇪 857 80 99ms 16 Nov 2023 460th Yewzir 🇧🇪 856 130 1,746ms 27 Apr 2024 461st Lydxn 🇨🇦 855 63 2ms 15 Jan 2024 461st JayXon 🇺🇸 855 63 2ms 29 Jan 2024 461st rucin93 🇵🇱 855 63 2ms 19 Nov 2025 464th primo-ppcg 🇹🇭 855 78 124ms 27 Mar 2021 464th Shanethegamer 🇺🇸 855 78 126ms 18 Mar 2023 464th Ripick 855 78 123ms 2 Jun 2025 467th ovs-code 🇩🇪 855 138 1,432ms 17 Feb 2025 468th MeWhenI 🇻🇦 854 84 40ms 29 Apr 2025 469th Shanethegamer 🇺🇸 853 67 2,367ms 27 Oct 2024 470th Steffan153 🇫🇮 853 77 4ms 1 Nov 2023 470th albanian-laundromat 🇺🇸 853 77 9ms 22 Oct 2025 472nd GolfingSuccess 🇬🇷 853 106 4ms 5 days ago 473rd MeWhenI 🇻🇦 852 65 7ms 24 Dec 2024 474th MeWhenI 🇻🇦 852 70 358ms 21 Nov 2021 475th kg583 🇺🇸 852 86 11ms 1 Sep 2025 476th ovs-code 🇩🇪 851 73 67ms 17 Sep 2023 477th sisyphus-ppcg 🇦🇺 851 89 121ms 25 Jan 2021 477th Bubbler-4 851 89 118ms 1 Jul 2021 479th Espiobest 850 58 11ms 13 Mar 2021 479th fgrosshans 🇫🇷 850 58 13ms 18 Jul 2022 First Prev 401–480 of 1,998 Next Last