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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 152nd btjones0 913 54 11ms 15 Jul 2022 152nd Shanethegamer 🇺🇸 913 54 13ms 18 Jan 2023 152nd jmerle 🇳🇱 913 54 28ms 3 Jul 2023 152nd ndren 913 54 11ms 4 Aug 2023 152nd FlorianCassayre 🇫🇷 913 54 19ms 18 Sep 2023 152nd Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 152nd HPWiz 🇳🇿 913 54 11ms 2 Jan 2024 152nd SirBogman 🇺🇸 913 54 13ms 10 Jun 2024 152nd duckyluuk 🇳🇱 913 54 24ms 15 Aug 2024 152nd jatloe 913 54 12ms 6 Sep 2024 152nd 5quiwyrm 913 54 11ms 14 Nov 2024 152nd lifthrasiir 🇰🇷 913 54 11ms 16 Nov 2024 152nd zacjl 913 54 24ms 6 Apr 2025 152nd emgordon154 913 54 12ms 23 Apr 2025 152nd Mukundan314 913 54 31ms 4 Jul 2025 152nd fkantelberg 913 54 21ms 12 Jul 2025 152nd CaedenHarper 🇨🇦 913 54 30ms 1 Aug 2025 152nd qpwoeirut 913 54 13ms 1 Oct 2025 152nd Babafaba 913 54 13ms 19 Nov 2025 152nd CornerMercury 🇬🇧 913 54 30ms 24 Nov 2025 152nd snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 182nd JayXon 🇺🇸 912 78 58ms 4 Mar 2024 183rd clockworknazo 911 26 47ms 16 Sep 2022 183rd saito-ta 🇯🇵 911 26 56ms 21 Sep 2022 183rd ovs-code 🇩🇪 911 26 51ms 3 Oct 2023 186th sisyphus-ppcg 🇦🇺 910 67 2ms 25 Jan 2021 186th Waffle3z 910 67 1ms 26 Jan 2021 186th JayXon 🇺🇸 910 67 1ms 19 Feb 2021 186th Lydxn 🇨🇦 910 67 1ms 31 Jan 2022 186th jared-hughes 910 67 1ms 14 Mar 2022 186th Steffan153 🇫🇮 910 67 2ms 25 Feb 2023 186th sean-niemann 🇺🇸 910 67 1ms 7 Oct 2024 186th FlyingPenguin223 910 67 2ms 3 Nov 2024 194th JayXon 🇺🇸 910 83 116ms 8 Nov 2022 194th Lydxn 🇨🇦 910 83 121ms 28 Jul 2023 194th emgordon154 910 83 118ms 18 Apr 2025 194th ovs-code 🇩🇪 910 83 125ms 20 Apr 2025 194th stefangimmillaro 910 83 126ms 18 May 2025 194th sean-niemann 🇺🇸 910 83 121ms 6 Jun 2025 194th kumavale 910 83 118ms 4 Oct 2025 201st sisyphus-ppcg 🇦🇺 909 41 4,914ms 23 Dec 2025 202nd xsot 🇸🇬 909 44 2ms 14 Apr 2024 202nd canissimia 🇦🇶 909 44 3ms 6 Dec 2025 204th canissimia 🇦🇶 909 53 3ms 7 Apr 2023 205th Lydxn 🇨🇦 906 41 5ms 22 May 2022 205th Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 205th GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 205th sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 209th DialFrost 🇸🇬 906 53 446ms 15 Jan 2024 209th lifthrasiir 🇰🇷 906 53 426ms 2 Dec 2024 209th emgordon154 906 53 445ms 23 Apr 2025 212th Lydxn 🇨🇦 904 55 149ms 1 May 2023 212th JayXon 🇺🇸 904 55 149ms 1 May 2023 214th JayXon 🇺🇸 904 95 289ms 17 Jan 2021 214th Lydxn 🇨🇦 904 95 285ms 23 Mar 2023 214th nwellnhof 🇩🇪 904 95 290ms 29 May 2023 214th Yewzir 🇧🇪 904 95 285ms 25 Oct 2023 214th Betuaredead 904 95 285ms 12 Nov 2023 219th canissimia 🇦🇶 904 114 3ms 25 Mar 2022 220th JayXon 🇺🇸 903 47 147ms 17 Jun 2025 221st janbehrens 🇩🇪 903 66 390ms 21 Nov 2021 221st tomtheisen 🇺🇸 903 66 404ms 9 Dec 2022 221st Steffan153 🇫🇮 903 66 395ms 10 Feb 2023 221st stefangimmillaro 903 66 410ms 18 Sep 2023 221st sean-niemann 🇺🇸 903 66 390ms 21 Sep 2023 226th DialFrost 🇸🇬 902 74 436ms 7 Nov 2025 227th GrayJoKing 🇦🇺 901 33 134ms 9 May 2024 228th nwellnhof 🇩🇪 900 79 58ms 13 Jul 2022 229th stefangimmillaro 898 47 53ms 23 Mar 2023 229th Natanaelel 🇸🇪 898 47 36ms 11 Apr 2023 229th m-tkach 🇺🇦 898 47 42ms 16 Jun 2023 232nd HPWiz 🇳🇿 898 51 226ms 10 Feb 2021 232nd JayXon 🇺🇸 898 51 189ms 20 Jun 2021 232nd Lydxn 🇨🇦 898 51 213ms 28 Jul 2023 232nd pardouin 🇫🇷 898 51 1,276ms 13 Apr 2025 236th Shanethegamer 🇺🇸 897 68 1ms 24 Jan 2021 237th GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 237th Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 237th clockworknazo 897 73 11ms 19 Sep 2022 237th JayXon 🇺🇸 897 73 3ms 28 Sep 2022 First Prev 161–240 of 1,914 Next Last