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 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 Bytes Time Submitted 561st ovs-code 🇩🇪 819 56 139ms 3 Aug 2024 562nd primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 562nd jared-hughes 819 66 2ms 31 Jul 2022 564th NewDefectus 🇮🇱 818 57 14ms 1 Nov 2021 565th KasperKivimaeki 🇫🇮 818 88 54ms 27 Nov 2025 565th emgordon154 818 88 57ms 39 hours ago 567th inventshah 817 59 2ms 18 May 2022 567th MeWhenI 🇻🇦 817 59 2ms 18 May 2022 569th m-tkach 🇺🇦 817 101 28ms 18 Jan 2024 570th Shanethegamer 🇺🇸 816 84 468ms 25 Sep 2025 571st Yewzir 🇧🇪 815 61 111ms 16 Nov 2023 572nd ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 572nd inventshah 815 66 2ms 22 Oct 2023 574th BREMAUCY 🇫🇷 814 59 396ms 20 Feb 2024 575th duckyluuk 🇳🇱 814 70 2,332ms 28 Oct 2024 575th jkelly467 814 70 2,249ms 22 Dec 2025 577th Steffan153 🇫🇮 814 90 5ms 10 Feb 2023 578th emgordon154 814 107 109ms 4 Dec 2025 579th janlelis 811 52 43ms 18 Jan 2021 579th hiddicop 🇸🇪 811 52 41ms 29 Jan 2021 579th prplz 🇦🇺 811 52 41ms 22 Apr 2021 579th anter69 🇭🇺 811 52 40ms 14 Jan 2022 579th OhmNomNom 811 52 81ms 12 Oct 2022 579th olleicua 🇺🇸 811 52 38ms 25 Feb 2024 579th emgordon154 811 52 38ms 26 Nov 2024 586th Shanethegamer 🇺🇸 811 108 277ms 26 Sep 2021 587th vezzick 810 62 14ms 12 Mar 2021 587th schachmattmatt 810 62 11ms 18 Aug 2021 587th cooljoseph1 810 62 23ms 6 May 2022 587th fredrik-bakke 🇳🇴 810 62 20ms 29 Sep 2022 587th nkoppel 810 62 11ms 19 Oct 2022 587th AodhanDalton 810 62 12ms 4 Nov 2022 587th nstearns96 🇬🇧 810 62 18ms 28 Nov 2022 587th adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 587th jbjd 810 62 11ms 2 Mar 2024 587th wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 587th jacekwladzinski 810 62 13ms 4 Oct 2025 587th Mabeloid 🇳🇴 810 62 11ms 26 Oct 2025 599th Steffan153 🇫🇮 810 79 1,437ms 23 Mar 2023 599th Yewzir 🇧🇪 810 79 38ms 16 Nov 2023 601st Shanethegamer 🇺🇸 810 96 87ms 9 Jun 2022 602nd m-tkach 🇺🇦 809 89 57ms 25 Apr 2022 602nd MeWhenI 🇻🇦 809 89 54ms 8 May 2022 604th Shanethegamer 🇺🇸 808 76 417ms 13 Dec 2021 605th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 606th m-tkach 🇺🇦 808 106 25ms 25 Apr 2022 607th emgordon154 807 67 2ms 22 Apr 2025 608th Dazza314 🇬🇧 806 24 3ms 16 Apr 2021 609th ArmaanAS 804 58 10ms 4 Apr 2021 609th itsh01 804 58 9ms 18 Nov 2021 611th Steffan153 🇫🇮 803 60 2ms 6 May 2023 612th DaDerpDuck 803 76 1ms 20 Jan 2021 613th stefangimmillaro 803 80 111ms 23 Sep 2023 614th emgordon154 803 85 7ms 3 Jan 2025 615th Shanethegamer 🇺🇸 803 94 119ms 25 Jan 2021 616th prplz 🇦🇺 802 83 125ms 10 Jul 2024 617th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 618th GolfingSuccess 🇬🇷 800 69 8ms 24 Dec 2024 619th Yewzir 🇧🇪 800 90 56ms 14 Oct 2023 620th NewDefectus 🇮🇱 799 35 56ms 25 Jan 2022 621st MeWhenI 🇻🇦 799 88 416ms 28 Feb 2022 622nd SirBogman 🇺🇸 797 46 197ms 22 Oct 2021 623rd apourchot 797 63 27ms 13 Feb 2021 623rd neihousaigaai 797 63 11ms 10 Apr 2021 623rd lechevalier 797 63 11ms 9 Aug 2021 623rd yzhs 🇩🇪 797 63 11ms 7 Jun 2022 623rd commandz0 🇺🇸 797 63 13ms 19 Sep 2022 623rd fourth-bit 797 63 12ms 21 Nov 2022 623rd FortuiteMan 🇫🇷 797 63 38ms 8 Sep 2023 623rd ssbhatt4321 797 63 27ms 14 Oct 2023 631st Yax42 🇫🇷 797 77 409ms 5 May 2025 632nd DialFrost 🇸🇬 796 53 38ms 2 Feb 2023 632nd SirBogman 🇺🇸 796 53 39ms 10 Jun 2024 634th tobeannouncd 796 82 124ms 8 Jan 2024 635th GrayJoKing 🇦🇺 795 68 2ms 21 Jan 2021 635th m-tkach 🇺🇦 795 68 5ms 25 Apr 2022 635th MeWhenI 🇻🇦 795 68 2ms 11 Nov 2022 638th primo-ppcg 🇹🇭 795 78 71ms 13 Oct 2023 639th TrueBoxGuy 795 95 115ms 24 Sep 2025 640th GrayJoKing 🇦🇺 794 86 9ms 15 Aug 2023 First Prev 561–640 of 1,917 Next Last