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 395th kops-cg 865 57 11ms 8 Apr 2021 395th clementblaudeau 865 57 11ms 1 Jun 2021 395th jared-hughes 865 57 12ms 14 Aug 2021 395th michelebastione 🇮🇹 865 57 14ms 16 Aug 2021 395th Indivicivet 865 57 11ms 26 Oct 2021 395th bricknellj 865 57 15ms 14 Jan 2022 395th scpchicken 🇵🇼 865 57 11ms 12 Mar 2022 395th pascscha 865 57 15ms 28 Apr 2022 395th jgygax 865 57 17ms 28 Apr 2022 395th stefangimmillaro 865 57 11ms 13 May 2022 395th ZakkkkAttackkkk 🇵🇭 865 57 15ms 31 Jul 2022 395th inventshah 865 57 11ms 19 Sep 2022 395th LogicalJoe 865 57 13ms 19 Sep 2022 395th lzahray 865 57 36ms 21 Oct 2022 395th thehylian 865 57 11ms 10 Jan 2023 395th 5cw 🇺🇸 865 57 11ms 10 Apr 2023 395th xsot 🇸🇬 865 57 25ms 26 Apr 2023 395th Rubiksmath 865 57 12ms 14 Aug 2023 395th bzijlema 🇳🇱 865 57 14ms 15 Nov 2023 395th janbehrens 🇩🇪 865 57 13ms 30 Dec 2023 395th mathisfun271 865 57 11ms 4 Feb 2024 395th thienudomsrirungruang 865 57 11ms 27 Apr 2024 395th wuzekai518 865 57 12ms 2 Aug 2024 395th bizy-coder 865 57 36ms 14 Aug 2024 395th michaelmgreer 865 57 11ms 9 Oct 2025 395th cros107 🇦🇺 865 57 15ms 31 Dec 2025 395th KasperKivimaeki 🇫🇮 865 57 14ms 3 Jan 2026 395th blaztoma 🇱🇹 865 57 12ms 11 Jan 2026 395th ryyyn 🇺🇸 865 57 36ms 21 Jan 2026 395th Flekay 🇩🇪 865 57 13ms 15 Feb 2026 395th JOrE20 865 57 14ms 25 Feb 2026 395th StefanHabel 🇨🇦 865 57 13ms 1 Mar 2026 395th jusaka 865 57 13ms 18 days ago 395th edsrzf 🇳🇿 865 57 12ms 14 days ago 435th janbehrens 🇩🇪 864 43 3ms 18 Jan 2021 436th DialFrost 🇸🇬 864 76 3ms 14 Sep 2024 437th blaztoma 🇱🇹 863 46 6ms 11 Mar 2026 438th edsrzf 🇳🇿 863 53 1,868ms 31 Aug 2025 438th DialFrost 🇸🇬 863 53 1,059ms 1 Sep 2025 438th xsot 🇸🇬 863 53 1,087ms 21 Dec 2025 441st DaCuteRaccoon 863 54 14ms 9 Dec 2022 442nd error256 863 72 62ms 11 Dec 2025 443rd snoozingnewt 🇨🇦 863 98 105ms 4 days ago 444th bitsandbeyond 🇳🇱 862 42 276ms 27 Oct 2025 445th sisyphus-ppcg 🇦🇺 862 56 2ms 12 Jul 2022 446th GrayJoKing 🇦🇺 862 96 32ms 18 Jan 2023 446th lynn 862 96 39ms 6 Aug 2023 448th frosster 🇨🇦 861 71 2ms 27 Jan 2026 449th GrayJoKing 🇦🇺 861 79 7ms 7 Mar 2026 449th emgordon154 861 79 13ms 8 Mar 2026 451st Lydxn 🇨🇦 860 100 25ms 13 Oct 2023 452nd primo-ppcg 🇹🇭 860 195 11ms 2 Aug 2023 453rd sean-niemann 🇺🇸 859 58 155ms 27 Apr 2024 454th DialFrost 🇸🇬 859 132 1,636ms 4 days ago 455th inventshah 858 83 54ms 17 Nov 2022 455th ovs-code 🇩🇪 858 83 58ms 3 Jun 2024 455th DialFrost 🇸🇬 858 83 52ms 7 Nov 2025 458th Irratix 🇳🇱 857 62 2ms 20 Dec 2021 458th ovs-code 🇩🇪 857 62 2ms 8 May 2023 458th sean-niemann 🇺🇸 857 62 2ms 18 Dec 2023 461st MeWhenI 🇻🇦 857 78 473ms 7 Nov 2025 462nd sean-niemann 🇺🇸 857 80 104ms 21 Sep 2023 462nd Yewzir 🇧🇪 857 80 102ms 16 Nov 2023 464th Lydxn 🇨🇦 855 63 2ms 15 Jan 2024 464th JayXon 🇺🇸 855 63 2ms 29 Jan 2024 464th rucin93 🇵🇱 855 63 2ms 19 Nov 2025 467th primo-ppcg 🇹🇭 855 78 124ms 27 Mar 2021 467th Shanethegamer 🇺🇸 855 78 126ms 18 Mar 2023 467th Ripick 855 78 123ms 2 Jun 2025 470th ovs-code 🇩🇪 855 138 1,418ms 17 Feb 2025 471st MeWhenI 🇻🇦 854 84 40ms 29 Apr 2025 472nd Shanethegamer 🇺🇸 853 67 2,367ms 27 Oct 2024 473rd GolfingSuccess 🇬🇷 853 106 4ms 15 days ago 474th MeWhenI 🇻🇦 852 65 7ms 24 Dec 2024 475th MeWhenI 🇻🇦 852 70 432ms 21 Nov 2021 476th kg583 🇺🇸 852 86 11ms 1 Sep 2025 477th ovs-code 🇩🇪 851 73 67ms 17 Sep 2023 478th sisyphus-ppcg 🇦🇺 851 89 121ms 25 Jan 2021 478th Bubbler-4 851 89 120ms 1 Jul 2021 480th Espiobest 850 58 11ms 13 Mar 2021 First Prev 401–480 of 2,023 Next Last