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 147th Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 147th HPWiz 🇳🇿 913 54 12ms 2 Jan 2024 147th SirBogman 🇺🇸 913 54 13ms 10 Jun 2024 147th duckyluuk 🇳🇱 913 54 26ms 15 Aug 2024 147th jatloe 913 54 12ms 6 Sep 2024 147th 5quiwyrm 913 54 12ms 14 Nov 2024 147th lifthrasiir 🇰🇷 913 54 13ms 16 Nov 2024 147th zacjl 913 54 24ms 6 Apr 2025 147th emgordon154 913 54 12ms 23 Apr 2025 147th Mukundan314 913 54 31ms 4 Jul 2025 147th fkantelberg 913 54 22ms 12 Jul 2025 147th CaedenHarper 🇨🇦 913 54 30ms 1 Aug 2025 147th qpwoeirut 913 54 13ms 1 Oct 2025 147th Babafaba 913 54 13ms 19 Nov 2025 147th CornerMercury 🇬🇧 913 54 30ms 24 Nov 2025 147th snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 177th JayXon 🇺🇸 912 78 55ms 4 Mar 2024 178th clockworknazo 910 26 46ms 16 Sep 2022 178th saito-ta 🇯🇵 910 26 50ms 21 Sep 2022 178th ovs-code 🇩🇪 910 26 56ms 3 Oct 2023 181st sisyphus-ppcg 🇦🇺 910 67 2ms 25 Jan 2021 181st Waffle3z 910 67 2ms 26 Jan 2021 181st JayXon 🇺🇸 910 67 1ms 19 Feb 2021 181st Lydxn 🇨🇦 910 67 1ms 31 Jan 2022 181st jared-hughes 910 67 1ms 14 Mar 2022 181st Steffan153 🇫🇮 910 67 2ms 25 Feb 2023 181st sean-niemann 🇺🇸 910 67 1ms 7 Oct 2024 181st FlyingPenguin223 910 67 2ms 3 Nov 2024 189th JayXon 🇺🇸 910 83 123ms 8 Nov 2022 189th Lydxn 🇨🇦 910 83 119ms 28 Jul 2023 189th emgordon154 910 83 119ms 18 Apr 2025 189th ovs-code 🇩🇪 910 83 114ms 20 Apr 2025 189th stefangimmillaro 910 83 120ms 18 May 2025 189th sean-niemann 🇺🇸 910 83 131ms 6 Jun 2025 189th kumavale 910 83 125ms 4 Oct 2025 196th sisyphus-ppcg 🇦🇺 909 41 4,856ms 23 Dec 2025 197th xsot 🇸🇬 909 44 3ms 14 Apr 2024 197th canissimia 🇦🇶 909 44 2ms 6 Dec 2025 199th canissimia 🇦🇶 909 53 3ms 7 Apr 2023 200th Lydxn 🇨🇦 906 41 4ms 22 May 2022 200th Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 200th GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 200th sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 204th DialFrost 🇸🇬 906 53 446ms 15 Jan 2024 204th lifthrasiir 🇰🇷 906 53 426ms 2 Dec 2024 204th emgordon154 906 53 445ms 23 Apr 2025 207th Lydxn 🇨🇦 904 55 109ms 1 May 2023 207th JayXon 🇺🇸 904 55 107ms 1 May 2023 209th JayXon 🇺🇸 904 95 280ms 17 Jan 2021 209th Lydxn 🇨🇦 904 95 301ms 23 Mar 2023 209th nwellnhof 🇩🇪 904 95 272ms 29 May 2023 209th Yewzir 🇧🇪 904 95 305ms 25 Oct 2023 209th Betuaredead 904 95 307ms 12 Nov 2023 214th canissimia 🇦🇶 904 114 3ms 25 Mar 2022 215th JayXon 🇺🇸 903 47 142ms 17 Jun 2025 216th janbehrens 🇩🇪 903 66 419ms 21 Nov 2021 216th tomtheisen 🇺🇸 903 66 429ms 9 Dec 2022 216th Steffan153 🇫🇮 903 66 416ms 10 Feb 2023 216th stefangimmillaro 903 66 417ms 18 Sep 2023 216th sean-niemann 🇺🇸 903 66 414ms 21 Sep 2023 221st DialFrost 🇸🇬 902 74 436ms 7 Nov 2025 222nd GrayJoKing 🇦🇺 901 33 123ms 9 May 2024 223rd nwellnhof 🇩🇪 900 79 55ms 13 Jul 2022 224th HPWiz 🇳🇿 898 51 249ms 10 Feb 2021 224th JayXon 🇺🇸 898 51 207ms 20 Jun 2021 224th Lydxn 🇨🇦 898 51 221ms 28 Jul 2023 224th pardouin 🇫🇷 898 51 1,276ms 13 Apr 2025 228th stefangimmillaro 897 47 49ms 23 Mar 2023 228th Natanaelel 🇸🇪 897 47 40ms 11 Apr 2023 228th m-tkach 🇺🇦 897 47 38ms 16 Jun 2023 231st Shanethegamer 🇺🇸 897 68 1ms 24 Jan 2021 232nd GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 232nd Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 232nd clockworknazo 897 73 11ms 19 Sep 2022 232nd JayXon 🇺🇸 897 73 3ms 28 Sep 2022 232nd Lydxn 🇨🇦 897 73 5ms 13 Oct 2023 232nd sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 238th GrayJoKing 🇦🇺 896 52 10ms 20 Jan 2021 238th janbehrens 🇩🇪 896 52 10ms 1 Aug 2021 238th inventshah 896 52 10ms 18 Jun 2022 First Prev 161–240 of 1,899 Next Last