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 stefangimmillaro 870 79 99ms 21 Jun 2023 402nd Irratix 🇳🇱 869 83 62ms 3 Jan 2022 402nd ovs-code 🇩🇪 869 83 55ms 3 Jun 2024 402nd DialFrost 🇸🇬 869 83 59ms 7 Nov 2025 405th lukegustafson 🇺🇸 868 53 131ms 17 Jun 2025 406th Espiobest 866 58 11ms 13 Mar 2021 406th MaxElf999 866 58 11ms 3 Oct 2022 406th Shanethegamer 🇺🇸 866 58 30ms 18 Jan 2023 406th Alex-x90 🇺🇸 866 58 31ms 23 Mar 2023 406th neel11235813 866 58 31ms 24 Mar 2023 406th Natanaelel 🇸🇪 866 58 12ms 11 Apr 2023 406th InigoK 🇺🇸 866 58 32ms 28 May 2023 406th jmerle 🇳🇱 866 58 30ms 3 Jul 2023 406th ndren 866 58 29ms 4 Aug 2023 406th FlorianCassayre 🇫🇷 866 58 21ms 13 Sep 2023 406th Kacarott 🇦🇺 866 58 36ms 13 Oct 2023 406th m42km 866 58 32ms 25 Nov 2023 406th NickTheEASDude 🇺🇸 866 58 31ms 1 Jul 2024 406th namelessiw 866 58 31ms 27 Jul 2024 406th croc54 866 58 30ms 9 Jan 2025 406th andrewjc2000 866 58 30ms 11 Mar 2025 406th Mukundan314 866 58 34ms 27 Apr 2025 406th fkantelberg 866 58 21ms 12 Jul 2025 406th wuduculfre 866 58 31ms 22 Jul 2025 406th HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 406th CornerMercury 🇬🇧 866 58 32ms 24 Nov 2025 406th snoozingnewt 🇨🇦 866 58 20ms 1 Dec 2025 428th DialFrost 🇸🇬 866 76 3ms 14 Sep 2024 429th edsrzf 🇳🇿 866 96 102ms 2 days ago 430th JayXon 🇺🇸 866 131 1,687ms 9 days ago 431st janbehrens 🇩🇪 865 43 3ms 18 Jan 2021 432nd Shanethegamer 🇺🇸 865 53 1,372ms 23 May 2021 432nd MeWhenI 🇻🇦 865 53 1,549ms 16 Mar 2022 432nd edsrzf 🇳🇿 865 53 2,037ms 31 Aug 2025 432nd DialFrost 🇸🇬 865 53 1,142ms 1 Sep 2025 432nd xsot 🇸🇬 865 53 1,415ms 21 Dec 2025 437th error256 865 72 62ms 11 Dec 2025 438th GrayJoKing 🇦🇺 865 79 7ms 7 Mar 2026 438th emgordon154 865 79 12ms 8 Mar 2026 440th blaztoma 🇱🇹 864 46 6ms 11 Mar 2026 441st DaCuteRaccoon 864 54 10ms 9 Dec 2022 442nd GrayJoKing 🇦🇺 864 96 32ms 18 Jan 2023 442nd lynn 864 96 39ms 6 Aug 2023 444th bitsandbeyond 🇳🇱 863 42 276ms 27 Oct 2025 445th sisyphus-ppcg 🇦🇺 863 56 2ms 12 Jul 2022 446th FortuiteMan 🇫🇷 863 84 13ms 16 Jan 2026 447th primo-ppcg 🇹🇭 863 195 11ms 2 Aug 2023 448th primo-ppcg 🇹🇭 862 49 48ms 18 Jan 2022 449th frosster 🇨🇦 862 71 2ms 27 Jan 2026 450th Lydxn 🇨🇦 862 100 25ms 13 Oct 2023 451st DialFrost 🇸🇬 859 56 487ms 15 Jan 2024 451st duckyluuk 🇳🇱 859 56 485ms 27 Mar 2024 453rd Steffan153 🇫🇮 859 63 2ms 23 Mar 2023 453rd stefangimmillaro 859 63 2ms 18 Sep 2023 453rd xsot 🇸🇬 859 63 2ms 6 May 2025 453rd KasperKivimaeki 🇫🇮 859 63 2ms 14 Aug 2025 457th primo-ppcg 🇹🇭 859 78 138ms 27 Mar 2021 457th Shanethegamer 🇺🇸 859 78 137ms 18 Mar 2023 457th Ripick 859 78 209ms 2 Jun 2025 460th sean-niemann 🇺🇸 859 80 103ms 21 Sep 2023 460th Yewzir 🇧🇪 859 80 102ms 16 Nov 2023 462nd jared-hughes 859 84 59ms 31 Jul 2022 462nd inventshah 859 84 64ms 17 Nov 2022 464th DialFrost 🇸🇬 859 132 1,636ms 9 days ago 465th ovs-code 🇩🇪 859 138 1,213ms 17 Feb 2025 466th MeWhenI 🇻🇦 858 80 478ms 7 Nov 2025 467th Lydxn 🇨🇦 857 63 2ms 15 Jan 2024 467th JayXon 🇺🇸 857 63 2ms 29 Jan 2024 467th rucin93 🇵🇱 857 63 2ms 19 Nov 2025 470th snoozingnewt 🇨🇦 857 97 107ms 2 days ago 471st GolfingSuccess 🇬🇷 857 106 4ms 19 days ago 472nd MeWhenI 🇻🇦 856 84 40ms 29 Apr 2025 473rd MeWhenI 🇻🇦 855 65 7ms 24 Dec 2024 474th Shanethegamer 🇺🇸 854 67 2,525ms 27 Oct 2024 475th MeWhenI 🇻🇦 854 72 412ms 21 Nov 2021 476th kg583 🇺🇸 854 86 11ms 1 Sep 2025 477th ovs-code 🇩🇪 853 73 67ms 17 Sep 2023 478th marcin7Cd 852 59 12ms 16 Jan 2021 478th rak1507 🇬🇧 852 59 13ms 20 Jan 2021 478th AlephSquirrel 852 59 12ms 13 May 2021 First Prev 401–480 of 2,107 Next Last