Kolakoski Sequence in all languages in bytes. 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 Bytes Time Submitted 275th 5quiwyrm 881 57 10ms 14 Nov 2024 275th lifthrasiir 🇰🇷 881 57 10ms 15 Nov 2024 275th GolfingSuccess 🇬🇷 881 57 12ms 24 Dec 2024 275th emgordon154 881 57 10ms 23 Apr 2025 275th qpwoeirut 881 57 13ms 11 Aug 2025 275th michaelmgreer 881 57 10ms 9 Oct 2025 275th Babafaba 881 57 12ms 19 Nov 2025 275th CaedenHarper 🇨🇦 881 57 11ms 9 Dec 2025 275th cros107 🇦🇺 881 57 11ms 21 days ago 275th KasperKivimaeki 🇫🇮 881 57 11ms 18 days ago 275th blaztoma 🇱🇹 881 57 11ms 10 days ago 275th ryyyn 🇺🇸 881 57 32ms 99 mins ago 333rd emplv 🇱🇻 881 97 26ms 27 Jul 2023 334th SirBogman 🇺🇸 880 22 4ms 30 Sep 2022 335th JayXon 🇺🇸 880 73 113ms 15 Oct 2022 335th Steffan153 🇫🇮 880 73 123ms 7 Dec 2022 335th sean-niemann 🇺🇸 880 73 109ms 20 May 2024 338th tomtheisen 🇺🇸 879 53 10ms 18 Jan 2021 338th prplz 🇦🇺 879 53 11ms 24 Jan 2021 338th jakzo 879 53 10ms 5 Sep 2021 338th ovs-code 🇩🇪 879 53 9ms 5 Oct 2023 338th dokutan 879 53 11ms 18 Jul 2025 343rd Steffan153 🇫🇮 879 54 8ms 18 Aug 2024 344th namelessiw 879 78 551ms 2 Oct 2025 344th Yewzir 🇧🇪 879 78 677ms 2 Oct 2025 346th Steffan153 🇫🇮 878 94 48ms 18 Jan 2023 347th namelessiw 877 70 389ms 18 Jul 2025 348th GrayJoKing 🇦🇺 877 73 41ms 27 Jun 2022 348th primo-ppcg 🇹🇭 877 73 40ms 28 Jun 2022 350th m-tkach 🇺🇦 877 107 17ms 17 May 2022 351st primo-ppcg 🇹🇭 876 28 50ms 30 Sep 2022 352nd saito-ta 🇯🇵 876 55 3ms 26 May 2022 352nd nwellnhof 🇩🇪 876 55 3ms 13 May 2023 354th GrayJoKing 🇦🇺 876 63 7ms 31 Jan 2025 355th emplv 🇱🇻 876 100 239ms 18 Jan 2022 355th stefangimmillaro 876 100 246ms 21 Jun 2023 357th zacjl 875 72 40ms 13 Feb 2025 358th primo-ppcg 🇹🇭 875 78 4ms 2 May 2023 359th Steffan153 🇫🇮 874 89 129ms 18 Aug 2024 360th Lydxn 🇨🇦 873 55 406ms 16 Jan 2024 360th m-tkach 🇺🇦 873 55 429ms 20 Jan 2024 360th JayXon 🇺🇸 873 55 417ms 21 Jan 2024 360th sean-niemann 🇺🇸 873 55 382ms 26 Jan 2025 364th stefangimmillaro 873 82 39ms 26 Apr 2025 365th JayXon 🇺🇸 872 57 107ms 1 May 2023 365th primo-ppcg 🇹🇭 872 57 105ms 1 May 2023 367th Irratix 🇳🇱 872 62 2ms 20 Dec 2021 367th ovs-code 🇩🇪 872 62 2ms 8 May 2023 367th sean-niemann 🇺🇸 872 62 2ms 18 Dec 2023 370th jared-hughes 872 126 15ms 7 Jul 2024 371st JayXon 🇺🇸 872 127 1,725ms 22 Apr 2024 372nd MeWhenI 🇻🇦 870 83 13ms 3 days ago 373rd ovs-code 🇩🇪 868 81 468ms 15 Jun 2024 373rd DialFrost 🇸🇬 868 81 365ms 7 Nov 2025 375th btjones0 868 87 119ms 26 Jan 2021 375th lynn 868 87 117ms 7 Jul 2024 377th ovs-code 🇩🇪 867 43 112ms 21 Dec 2022 378th Irratix 🇳🇱 867 83 61ms 3 Jan 2022 378th ovs-code 🇩🇪 867 83 55ms 3 Jun 2024 378th DialFrost 🇸🇬 867 83 56ms 7 Nov 2025 381st Espiobest 866 58 10ms 13 Mar 2021 381st MaxElf999 866 58 10ms 3 Oct 2022 381st Shanethegamer 🇺🇸 866 58 29ms 18 Jan 2023 381st Alex-x90 🇺🇸 866 58 28ms 23 Mar 2023 381st neel11235813 866 58 28ms 24 Mar 2023 381st Natanaelel 🇸🇪 866 58 11ms 11 Apr 2023 381st InigoK 🇺🇸 866 58 28ms 28 May 2023 381st jmerle 🇳🇱 866 58 29ms 3 Jul 2023 381st ndren 866 58 30ms 4 Aug 2023 381st FlorianCassayre 🇫🇷 866 58 19ms 13 Sep 2023 381st Kacarott 🇦🇺 866 58 28ms 13 Oct 2023 381st m42km 866 58 29ms 25 Nov 2023 381st StefanHabel 🇨🇦 866 58 12ms 20 Apr 2024 381st NickTheEASDude 🇺🇸 866 58 29ms 1 Jul 2024 381st namelessiw 866 58 29ms 27 Jul 2024 381st edsrzf 🇳🇿 866 58 19ms 22 Nov 2024 381st croc54 866 58 28ms 9 Jan 2025 381st andrewjc2000 866 58 30ms 11 Mar 2025 381st Mukundan314 866 58 28ms 27 Apr 2025 381st fkantelberg 866 58 20ms 12 Jul 2025 First Prev 321–400 of 1,905 Next Last