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 388th pascscha 865 57 12ms 28 Apr 2022 388th jgygax 865 57 12ms 28 Apr 2022 388th stefangimmillaro 865 57 11ms 13 May 2022 388th ZakkkkAttackkkk 🇵🇭 865 57 15ms 31 Jul 2022 388th inventshah 865 57 11ms 19 Sep 2022 388th LogicalJoe 865 57 10ms 19 Sep 2022 388th lzahray 865 57 31ms 21 Oct 2022 388th thehylian 865 57 11ms 10 Jan 2023 388th 5cw 🇺🇸 865 57 11ms 10 Apr 2023 388th xsot 🇸🇬 865 57 25ms 26 Apr 2023 388th Rubiksmath 865 57 10ms 14 Aug 2023 388th bzijlema 🇳🇱 865 57 11ms 15 Nov 2023 388th janbehrens 🇩🇪 865 57 11ms 30 Dec 2023 388th mathisfun271 865 57 10ms 4 Feb 2024 388th thienudomsrirungruang 865 57 10ms 27 Apr 2024 388th wuzekai518 865 57 11ms 2 Aug 2024 388th bizy-coder 865 57 34ms 14 Aug 2024 388th michaelmgreer 865 57 12ms 9 Oct 2025 388th cros107 🇦🇺 865 57 11ms 31 Dec 2025 388th KasperKivimaeki 🇫🇮 865 57 11ms 3 Jan 2026 388th blaztoma 🇱🇹 865 57 11ms 11 Jan 2026 388th ryyyn 🇺🇸 865 57 29ms 21 Jan 2026 388th Flekay 🇩🇪 865 57 13ms 15 Feb 2026 388th JOrE20 865 57 12ms 25 Feb 2026 388th StefanHabel 🇨🇦 865 57 13ms 1 Mar 2026 388th jusaka 865 57 15ms 19 hours ago 427th stefangimmillaro 865 79 105ms 21 Jun 2023 428th janbehrens 🇩🇪 864 43 3ms 18 Jan 2021 429th Shanethegamer 🇺🇸 864 53 1,258ms 23 May 2021 429th MeWhenI 🇻🇦 864 53 1,291ms 16 Mar 2022 431st DaCuteRaccoon 863 54 9ms 9 Dec 2022 432nd DialFrost 🇸🇬 863 76 3ms 14 Sep 2024 433rd blaztoma 🇱🇹 862 46 6ms 22 days ago 434th edsrzf 🇳🇿 862 53 1,924ms 31 Aug 2025 434th DialFrost 🇸🇬 862 53 1,099ms 1 Sep 2025 434th xsot 🇸🇬 862 53 1,087ms 21 Dec 2025 437th bitsandbeyond 🇳🇱 861 42 237ms 27 Oct 2025 438th sisyphus-ppcg 🇦🇺 861 56 2ms 12 Jul 2022 439th error256 861 72 62ms 11 Dec 2025 440th frosster 🇨🇦 859 71 2ms 27 Jan 2026 441st GrayJoKing 🇦🇺 859 96 32ms 18 Jan 2023 441st lynn 859 96 39ms 6 Aug 2023 443rd Lydxn 🇨🇦 859 100 25ms 13 Oct 2023 444th sean-niemann 🇺🇸 857 58 157ms 27 Apr 2024 445th Irratix 🇳🇱 857 62 2ms 20 Dec 2021 445th ovs-code 🇩🇪 857 62 2ms 8 May 2023 445th sean-niemann 🇺🇸 857 62 2ms 18 Dec 2023 448th GrayJoKing 🇦🇺 857 79 7ms 26 days ago 448th emgordon154 857 79 12ms 25 days ago 450th inventshah 857 83 54ms 17 Nov 2022 450th ovs-code 🇩🇪 857 83 60ms 3 Jun 2024 450th DialFrost 🇸🇬 857 83 53ms 7 Nov 2025 453rd primo-ppcg 🇹🇭 857 195 11ms 2 Aug 2023 454th MeWhenI 🇻🇦 856 78 473ms 7 Nov 2025 455th Lydxn 🇨🇦 854 63 2ms 15 Jan 2024 455th JayXon 🇺🇸 854 63 2ms 29 Jan 2024 455th rucin93 🇵🇱 854 63 3ms 19 Nov 2025 458th primo-ppcg 🇹🇭 854 78 124ms 27 Mar 2021 458th Shanethegamer 🇺🇸 854 78 126ms 18 Mar 2023 458th Ripick 854 78 123ms 2 Jun 2025 461st sean-niemann 🇺🇸 854 80 98ms 21 Sep 2023 461st Yewzir 🇧🇪 854 80 99ms 16 Nov 2023 463rd snoozingnewt 🇨🇦 854 101 108ms 5 Dec 2025 464th Yewzir 🇧🇪 854 130 1,746ms 27 Apr 2024 465th Steffan153 🇫🇮 852 77 4ms 1 Nov 2023 466th MeWhenI 🇻🇦 852 84 40ms 29 Apr 2025 467th Shanethegamer 🇺🇸 851 67 2,626ms 27 Oct 2024 468th MeWhenI 🇻🇦 851 70 392ms 21 Nov 2021 469th albanian-laundromat 851 77 9ms 22 Oct 2025 470th kg583 🇺🇸 851 86 9ms 1 Sep 2025 471st ovs-code 🇩🇪 851 138 1,445ms 17 Feb 2025 472nd Espiobest 850 58 11ms 13 Mar 2021 472nd fgrosshans 🇫🇷 850 58 10ms 18 Jul 2022 472nd MaxElf999 850 58 10ms 3 Oct 2022 472nd Alex-x90 🇺🇸 850 58 30ms 23 Mar 2023 472nd Natanaelel 🇸🇪 850 58 11ms 11 Apr 2023 472nd InigoK 🇺🇸 850 58 28ms 28 May 2023 472nd Kacarott 🇦🇺 850 58 28ms 13 Oct 2023 472nd m42km 850 58 28ms 25 Nov 2023 472nd NickTheEASDude 🇺🇸 850 58 27ms 1 Jul 2024 First Prev 401–480 of 1,929 Next Last