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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 601st GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 602nd NewDefectus 🇮🇱 799 35 50ms 25 Jan 2022 603rd MeWhenI 🇻🇦 799 50 3ms 11 Nov 2022 604th MeWhenI 🇻🇦 799 88 416ms 28 Feb 2022 605th m-tkach 🇺🇦 798 89 55ms 25 Apr 2022 605th MeWhenI 🇻🇦 798 89 51ms 8 May 2022 607th SirBogman 🇺🇸 797 46 226ms 22 Oct 2021 608th apourchot 797 63 18ms 13 Feb 2021 608th neihousaigaai 797 63 11ms 10 Apr 2021 608th lechevalier 797 63 10ms 9 Aug 2021 608th yzhs 🇩🇪 797 63 10ms 7 Jun 2022 608th commandblockguy 🇺🇸 797 63 12ms 19 Sep 2022 608th fourth-bit 797 63 10ms 21 Nov 2022 608th FortuiteMan 🇫🇷 797 63 27ms 8 Sep 2023 608th ssbhatt4321 797 63 26ms 14 Oct 2023 616th Yax42 🇫🇷 796 77 337ms 5 May 2025 617th tobeannouncd 796 82 146ms 8 Jan 2024 618th DialFrost 🇸🇬 795 53 39ms 2 Feb 2023 618th SirBogman 🇺🇸 795 53 37ms 10 Jun 2024 620th TrueBoxGuy 795 95 122ms 24 Sep 2025 621st GrayJoKing 🇦🇺 794 68 2ms 21 Jan 2021 621st m-tkach 🇺🇦 794 68 2ms 25 Apr 2022 621st MeWhenI 🇻🇦 794 68 2ms 11 Nov 2022 624th GrayJoKing 🇦🇺 794 86 9ms 15 Aug 2023 624th Shanethegamer 🇺🇸 794 86 11ms 11 Jan 2024 626th MichalMarsalek 🇨🇿 793 84 123ms 6 Jan 2023 627th SirBogman 🇺🇸 791 31 48ms 7 Oct 2022 628th Salutations45 790 59 10ms 9 Jan 2025 629th Shanethegamer 🇺🇸 790 89 485ms 26 Jul 2023 630th Yewzir 🇧🇪 790 90 51ms 14 Oct 2023 631st ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 631st AlephSquirrel 789 19 2ms 17 days ago 633rd MeWhenI 🇻🇦 789 63 107ms 16 Nov 2022 634th MeWhenI 🇻🇦 789 83 3ms 10 Sep 2022 635th kkoenig 789 111 276ms 5 Jan 2024 636th prplz 🇦🇺 786 46 224ms 24 Jan 2021 636th TimCurwick 🇺🇸 786 46 200ms 26 Jan 2021 636th SirBogman 🇺🇸 786 46 208ms 2 Feb 2024 639th SirBogman 🇺🇸 786 91 47ms 3 Jun 2025 640th RDShah 785 64 11ms 17 Jan 2021 640th andre-lameirinhas 🇵🇹 785 64 10ms 22 Feb 2021 640th stertooy 🇧🇪 785 64 11ms 10 Jun 2024 640th Terobero 785 64 19ms 6 Sep 2024 640th moustave 785 64 10ms 5 May 2025 640th snoozingnewt 🇺🇸 785 64 19ms 15 Oct 2025 640th Code-Coder-coder 785 64 11ms 8 hours ago 647th Yewzir 🇧🇪 784 82 104ms 28 Mar 2024 648th Shanethegamer 🇺🇸 782 63 367ms 2 Jul 2021 649th janbehrens 🇩🇪 781 91 55ms 20 Nov 2022 649th snyderek 🇺🇸 781 91 53ms 21 Nov 2024 649th dokutan 781 91 56ms 18 Jul 2025 652nd Waffle3z 780 54 36ms 19 Jan 2021 652nd KatieLG 🇬🇧 780 54 41ms 9 Jan 2023 652nd Andriamanitra 🇫🇮 780 54 43ms 20 Jul 2023 655th DialFrost 🇸🇬 780 142 1,600ms 13 Sep 2025 656th Shanethegamer 🇺🇸 778 106 34ms 20 Jan 2025 657th rak1507 🇬🇧 777 60 9ms 20 Jan 2021 657th Shanethegamer 🇺🇸 777 60 9ms 26 Sep 2021 657th duckyluuk 🇳🇱 777 60 9ms 4 Oct 2024 660th anter69 🇭🇺 776 59 982ms 24 Feb 2023 660th SirBogman 🇺🇸 776 59 1,208ms 10 Jun 2024 662nd NewDefectus 🇮🇱 774 25 5ms 25 Oct 2021 663rd scpchicken 🇵🇼 774 48 3ms 15 Dec 2022 664th commandblockguy 🇺🇸 774 62 506ms 15 Jan 2024 665th ovs-code 🇩🇪 774 142 12ms 31 Mar 2023 666th TobyBoyne 🇬🇧 773 65 10ms 21 Jan 2021 666th 77Tigers 773 65 30ms 1 Mar 2021 666th knutae 🇳🇴 773 65 10ms 29 Jun 2021 666th ehulinsky 🇺🇸 773 65 12ms 10 Nov 2021 666th guilhem-roy 🇫🇷 773 65 10ms 28 Feb 2022 666th martinnorling 🇸🇪 773 65 10ms 8 Mar 2022 666th fgrosshans 🇫🇷 773 65 10ms 12 Jul 2022 666th IshanPanpaliya 773 65 12ms 3 May 2023 666th nooberitess 773 65 10ms 8 Apr 2025 666th mossiegoat 773 65 11ms 21 Oct 2025 First Prev 601–675 of 1,873 Next Last