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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 Bytes Time Submitted 401st Irratix 🇳🇱 869 83 62ms 3 Jan 2022 401st ovs-code 🇩🇪 869 83 55ms 3 Jun 2024 401st DialFrost 🇸🇬 869 83 59ms 7 Nov 2025 404th lukegustafson 🇺🇸 868 53 131ms 17 Jun 2025 405th Espiobest 866 58 11ms 13 Mar 2021 405th MaxElf999 866 58 11ms 3 Oct 2022 405th Shanethegamer 🇺🇸 866 58 30ms 18 Jan 2023 405th Alex-x90 🇺🇸 866 58 31ms 23 Mar 2023 405th neel11235813 866 58 31ms 24 Mar 2023 405th Natanaelel 🇸🇪 866 58 12ms 11 Apr 2023 405th InigoK 🇺🇸 866 58 32ms 28 May 2023 405th jmerle 🇳🇱 866 58 30ms 3 Jul 2023 405th ndren 866 58 29ms 4 Aug 2023 405th FlorianCassayre 🇫🇷 866 58 21ms 13 Sep 2023 405th Kacarott 🇦🇺 866 58 36ms 13 Oct 2023 405th m42km 866 58 32ms 25 Nov 2023 405th NickTheEASDude 🇺🇸 866 58 31ms 1 Jul 2024 405th namelessiw 866 58 31ms 27 Jul 2024 405th croc54 866 58 30ms 9 Jan 2025 405th andrewjc2000 866 58 30ms 11 Mar 2025 405th Mukundan314 866 58 34ms 27 Apr 2025 405th fkantelberg 866 58 21ms 12 Jul 2025 405th wuduculfre 866 58 31ms 22 Jul 2025 405th HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 405th CornerMercury 🇬🇧 866 58 32ms 24 Nov 2025 405th snoozingnewt 🇨🇦 866 58 20ms 1 Dec 2025 427th DialFrost 🇸🇬 866 76 3ms 14 Sep 2024 428th edsrzf 🇳🇿 866 96 102ms 2 days ago 429th JayXon 🇺🇸 866 131 1,687ms 9 days ago 430th janbehrens 🇩🇪 865 43 3ms 18 Jan 2021 431st Shanethegamer 🇺🇸 865 53 1,372ms 23 May 2021 431st MeWhenI 🇻🇦 865 53 1,549ms 16 Mar 2022 431st edsrzf 🇳🇿 865 53 1,868ms 31 Aug 2025 431st DialFrost 🇸🇬 865 53 1,059ms 1 Sep 2025 431st xsot 🇸🇬 865 53 1,087ms 21 Dec 2025 436th error256 865 72 62ms 11 Dec 2025 437th GrayJoKing 🇦🇺 865 79 7ms 7 Mar 2026 437th emgordon154 865 79 12ms 8 Mar 2026 439th blaztoma 🇱🇹 864 46 6ms 11 Mar 2026 440th DaCuteRaccoon 864 54 10ms 9 Dec 2022 441st GrayJoKing 🇦🇺 864 96 32ms 18 Jan 2023 441st lynn 864 96 39ms 6 Aug 2023 443rd bitsandbeyond 🇳🇱 863 42 276ms 27 Oct 2025 444th sisyphus-ppcg 🇦🇺 863 56 2ms 12 Jul 2022 445th FortuiteMan 🇫🇷 863 84 13ms 16 Jan 2026 446th primo-ppcg 🇹🇭 863 195 11ms 2 Aug 2023 447th primo-ppcg 🇹🇭 862 49 48ms 18 Jan 2022 448th frosster 🇨🇦 862 71 2ms 27 Jan 2026 449th Lydxn 🇨🇦 862 100 25ms 13 Oct 2023 450th DialFrost 🇸🇬 859 56 487ms 15 Jan 2024 450th duckyluuk 🇳🇱 859 56 485ms 27 Mar 2024 452nd Steffan153 🇫🇮 859 63 2ms 23 Mar 2023 452nd stefangimmillaro 859 63 2ms 18 Sep 2023 452nd xsot 🇸🇬 859 63 2ms 6 May 2025 452nd KasperKivimaeki 🇫🇮 859 63 2ms 14 Aug 2025 456th primo-ppcg 🇹🇭 859 78 124ms 27 Mar 2021 456th Shanethegamer 🇺🇸 859 78 126ms 18 Mar 2023 456th Ripick 859 78 123ms 2 Jun 2025 459th sean-niemann 🇺🇸 859 80 103ms 21 Sep 2023 459th Yewzir 🇧🇪 859 80 102ms 16 Nov 2023 461st jared-hughes 859 84 59ms 31 Jul 2022 461st inventshah 859 84 64ms 17 Nov 2022 463rd DialFrost 🇸🇬 859 132 1,636ms 9 days ago 464th ovs-code 🇩🇪 859 138 1,217ms 17 Feb 2025 465th MeWhenI 🇻🇦 858 80 473ms 7 Nov 2025 466th Lydxn 🇨🇦 857 63 2ms 15 Jan 2024 466th JayXon 🇺🇸 857 63 2ms 29 Jan 2024 466th rucin93 🇵🇱 857 63 2ms 19 Nov 2025 469th snoozingnewt 🇨🇦 857 97 107ms 2 days ago 470th GolfingSuccess 🇬🇷 857 106 4ms 19 days ago 471st MeWhenI 🇻🇦 856 84 40ms 29 Apr 2025 472nd MeWhenI 🇻🇦 855 65 7ms 24 Dec 2024 473rd Shanethegamer 🇺🇸 854 67 2,573ms 27 Oct 2024 474th MeWhenI 🇻🇦 854 72 412ms 21 Nov 2021 475th kg583 🇺🇸 854 86 11ms 1 Sep 2025 476th ovs-code 🇩🇪 853 73 67ms 17 Sep 2023 477th marcin7Cd 852 59 12ms 16 Jan 2021 477th rak1507 🇬🇧 852 59 13ms 20 Jan 2021 477th AlephSquirrel 852 59 12ms 13 May 2021 477th rschwa6308 🇺🇸 852 59 11ms 28 Jun 2021 First Prev 401–480 of 2,107 Next Last