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 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 Multitap Input 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 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 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 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 Multitap Input 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 240th GolfingSuccess 🇬🇷 896 55 14ms 25 Jan 2021 240th jacklynnepenick 896 55 11ms 19 Aug 2021 240th nwellnhof 🇩🇪 896 55 12ms 13 Jul 2022 240th jakobkordez 🇸🇮 896 55 15ms 8 Nov 2022 240th 2011-Chan-Ethan 896 55 11ms 20 Jul 2023 240th SB-945 896 55 10ms 20 Feb 2024 240th davecame 896 55 12ms 21 Aug 2024 240th albanian-laundromat 896 55 11ms 29 Mar 2025 240th 4atj 896 55 23ms 8 Apr 2025 240th plcc0 896 55 12ms 2 hours ago 251st Steffan153 🇫🇮 896 60 2ms 26 Jan 2024 251st sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 253rd Shanethegamer 🇺🇸 896 68 1ms 24 Jan 2021 254th Steffan153 🇫🇮 894 96 266ms 10 Feb 2023 254th sean-niemann 🇺🇸 894 96 265ms 21 Sep 2023 256th sean-niemann 🇺🇸 893 51 733ms 30 Aug 2025 257th emplv 🇱🇻 892 72 151ms 28 Jul 2023 257th Lydxn 🇨🇦 892 72 121ms 28 Jul 2023 259th CLOStrophobic 🇮🇹 892 82 56ms 24 Feb 2025 259th zacjl 892 82 10ms 24 Feb 2025 261st inventshah 891 64 3,321ms 27 Oct 2024 261st stefangimmillaro 891 64 3,090ms 13 Nov 2024 261st JayXon 🇺🇸 891 64 3,625ms 13 Nov 2024 264th GrayJoKing 🇦🇺 891 67 61ms 23 Mar 2023 264th IanUtley 891 67 70ms 9 May 2024 266th sean-niemann 🇺🇸 891 77 446ms 26 Sep 2023 266th Lydxn 🇨🇦 891 77 448ms 26 Sep 2023 266th JayXon 🇺🇸 891 77 471ms 26 Sep 2023 269th Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 269th sean-niemann 🇺🇸 889 45 3ms 31 Oct 2022 269th primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 269th Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 269th DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 274th Yewzir 🇧🇪 889 54 433ms 15 Jan 2024 274th Shanethegamer 🇺🇸 889 54 409ms 16 Jan 2024 274th GrayJoKing 🇦🇺 889 54 425ms 23 Jul 2024 274th duckyluuk 🇳🇱 889 54 473ms 28 Aug 2024 274th KatieLG 🇬🇧 889 54 326ms 28 Oct 2024 274th GolfingSuccess 🇬🇷 889 54 370ms 25 Jan 2025 274th Babafaba 889 54 525ms 19 Nov 2025 274th snoozingnewt 🇨🇦 889 54 411ms 1 Dec 2025 282nd prplz 🇦🇺 889 67 336ms 21 Nov 2021 282nd DialFrost 🇸🇬 889 67 374ms 7 Nov 2025 284th Shanethegamer 🇺🇸 889 72 1,311ms 19 Jan 2025 285th Lydxn 🇨🇦 888 75 125ms 12 Jul 2021 286th zacjl 887 71 9ms 21 Oct 2024 287th JayXon 🇺🇸 887 77 93ms 19 Feb 2021 288th nwellnhof 🇩🇪 886 60 2ms 13 Jul 2022 288th emplv 🇱🇻 886 60 2ms 28 Jul 2023 290th Kacarott 🇦🇺 886 70 60ms 9 Dec 2025 290th GrayJoKing 🇦🇺 886 70 62ms 9 Dec 2025 292nd GrayJoKing 🇦🇺 886 74 17ms 12 Feb 2023 293rd GrayJoKing 🇦🇺 885 59 12ms 8 Aug 2023 294th inventshah 885 74 9ms 19 Sep 2022 295th DialFrost 🇸🇬 885 97 271ms 7 Nov 2025 296th o0lit3 🇺🇸 884 42 2ms 13 Jun 2022 296th DaCuteRaccoon 884 42 4ms 9 Dec 2022 296th DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 296th MeWhenI 🇻🇦 884 42 3ms 16 Apr 2023 296th nwellnhof 🇩🇪 884 42 3ms 29 May 2023 296th xsot 🇸🇬 884 42 4ms 27 Jun 2025 296th blaztoma 🇱🇹 884 42 4ms 23 hours ago 303rd lukegustafson 🇺🇸 884 48 136ms 17 Jun 2025 304th primo-ppcg 🇹🇭 884 81 39ms 2 May 2025 305th GrayJoKing 🇦🇺 883 69 2ms 9 Apr 2022 306th razetime 882 17 2ms 12 Jan 2022 307th DialFrost 🇸🇬 882 74 116ms 28 Apr 2025 308th sisyphus-ppcg 🇦🇺 881 45 6ms 17 Jan 2021 308th Lydxn 🇨🇦 881 45 6ms 17 Jan 2021 308th emplv 🇱🇻 881 45 6ms 17 Jan 2021 308th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 308th DaCuteRaccoon 881 45 6ms 9 Dec 2022 308th DialFrost 🇸🇬 881 45 6ms 1 Feb 2023 308th janbehrens 🇩🇪 881 45 6ms 16 May 2023 315th emplv 🇱🇻 881 97 26ms 27 Jul 2023 316th SirBogman 🇺🇸 880 21 4ms 30 Sep 2022 317th lynn 880 25 34ms 11 Apr 2021 317th GrayJoKing 🇦🇺 880 25 33ms 15 Feb 2022 317th jared-hughes 880 25 33ms 21 Apr 2022 317th rak1507 🇬🇧 880 25 33ms 28 Jan 2023 First Prev 241–320 of 1,883 Next Last