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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 238th dmrichwa 🇺🇸 896 52 9ms 28 Jul 2023 242nd ovs-code 🇩🇪 896 53 9ms 30 Oct 2024 243rd rak1507 🇬🇧 896 55 12ms 20 Jan 2021 243rd GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 243rd jacklynnepenick 896 55 15ms 19 Aug 2021 243rd nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 243rd jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 243rd 2011-Chan-Ethan 896 55 11ms 20 Jul 2023 243rd SB-945 896 55 11ms 20 Feb 2024 243rd davecame 896 55 14ms 21 Aug 2024 243rd albanian-laundromat 896 55 12ms 29 Mar 2025 243rd 4atj 896 55 27ms 8 Apr 2025 243rd plcc0 896 55 11ms 13 Jan 2026 254th Steffan153 🇫🇮 896 60 2ms 26 Jan 2024 254th sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 256th sean-niemann 🇺🇸 895 51 797ms 30 Aug 2025 256th Steffan153 🇫🇮 895 51 1,370ms 15 hours ago 258th Steffan153 🇫🇮 894 96 300ms 10 Feb 2023 258th sean-niemann 🇺🇸 894 96 313ms 21 Sep 2023 260th emplv 🇱🇻 892 72 95ms 28 Jul 2023 260th Lydxn 🇨🇦 892 72 110ms 28 Jul 2023 262nd CLOStrophobic 🇮🇹 892 82 56ms 24 Feb 2025 262nd zacjl 892 82 10ms 24 Feb 2025 264th inventshah 891 64 2,302ms 27 Oct 2024 264th stefangimmillaro 891 64 2,244ms 13 Nov 2024 264th JayXon 🇺🇸 891 64 2,253ms 13 Nov 2024 267th GrayJoKing 🇦🇺 891 67 61ms 23 Mar 2023 267th IanUtley 891 67 70ms 9 May 2024 269th sean-niemann 🇺🇸 891 77 469ms 26 Sep 2023 269th Lydxn 🇨🇦 891 77 469ms 26 Sep 2023 269th JayXon 🇺🇸 891 77 457ms 26 Sep 2023 272nd Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 272nd sean-niemann 🇺🇸 889 45 3ms 31 Oct 2022 272nd primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 272nd Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 272nd DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 277th Yewzir 🇧🇪 889 54 478ms 15 Jan 2024 277th Shanethegamer 🇺🇸 889 54 482ms 16 Jan 2024 277th GrayJoKing 🇦🇺 889 54 430ms 23 Jul 2024 277th duckyluuk 🇳🇱 889 54 384ms 28 Aug 2024 277th KatieLG 🇬🇧 889 54 429ms 28 Oct 2024 277th GolfingSuccess 🇬🇷 889 54 414ms 25 Jan 2025 277th Babafaba 889 54 445ms 19 Nov 2025 277th snoozingnewt 🇨🇦 889 54 492ms 1 Dec 2025 285th prplz 🇦🇺 889 67 418ms 21 Nov 2021 285th DialFrost 🇸🇬 889 67 404ms 7 Nov 2025 287th Shanethegamer 🇺🇸 889 72 1,321ms 19 Jan 2025 288th Lydxn 🇨🇦 888 75 125ms 12 Jul 2021 289th zacjl 887 71 9ms 21 Oct 2024 290th JayXon 🇺🇸 887 77 93ms 19 Feb 2021 291st nwellnhof 🇩🇪 886 60 2ms 13 Jul 2022 291st emplv 🇱🇻 886 60 2ms 28 Jul 2023 293rd Kacarott 🇦🇺 886 70 60ms 9 Dec 2025 293rd GrayJoKing 🇦🇺 886 70 62ms 9 Dec 2025 295th GrayJoKing 🇦🇺 886 74 17ms 12 Feb 2023 296th GrayJoKing 🇦🇺 885 59 12ms 8 Aug 2023 297th inventshah 885 74 9ms 19 Sep 2022 298th DialFrost 🇸🇬 885 97 349ms 7 Nov 2025 299th o0lit3 🇺🇸 884 42 2ms 13 Jun 2022 299th DaCuteRaccoon 884 42 4ms 9 Dec 2022 299th DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 299th MeWhenI 🇻🇦 884 42 3ms 16 Apr 2023 299th nwellnhof 🇩🇪 884 42 3ms 29 May 2023 299th xsot 🇸🇬 884 42 4ms 27 Jun 2025 299th blaztoma 🇱🇹 884 42 3ms 12 Jan 2026 306th lukegustafson 🇺🇸 884 48 143ms 17 Jun 2025 307th GrayJoKing 🇦🇺 884 69 1ms 9 Apr 2022 308th primo-ppcg 🇹🇭 884 81 39ms 2 May 2025 309th emplv 🇱🇻 883 97 26ms 27 Jul 2023 310th razetime 882 17 2ms 12 Jan 2022 311th DialFrost 🇸🇬 882 74 116ms 28 Apr 2025 312th sisyphus-ppcg 🇦🇺 881 45 6ms 17 Jan 2021 312th Lydxn 🇨🇦 881 45 5ms 17 Jan 2021 312th emplv 🇱🇻 881 45 5ms 17 Jan 2021 312th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 312th DaCuteRaccoon 881 45 5ms 9 Dec 2022 312th DialFrost 🇸🇬 881 45 5ms 1 Feb 2023 312th janbehrens 🇩🇪 881 45 5ms 16 May 2023 319th SirBogman 🇺🇸 880 21 4ms 30 Sep 2022 320th lynn 880 25 34ms 11 Apr 2021 First Prev 241–320 of 1,900 Next Last