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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 Nim 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 Nim 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 601st duckyluuk 🇳🇱 818 70 2,403ms 28 Oct 2024 601st jkelly467 818 70 2,392ms 22 Dec 2025 603rd Shanethegamer 🇺🇸 818 84 452ms 25 Sep 2025 604th Shanethegamer 🇺🇸 817 96 85ms 9 Jun 2022 605th BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 606th Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 607th GolfingSuccess 🇬🇷 813 81 9ms 9 Sep 2022 608th m-tkach 🇺🇦 813 106 25ms 25 Apr 2022 609th Shanethegamer 🇺🇸 813 108 326ms 26 Sep 2021 610th janlelis 812 52 42ms 18 Jan 2021 610th hiddicop 🇸🇪 812 52 42ms 29 Jan 2021 610th prplz 🇦🇺 812 52 40ms 22 Apr 2021 610th anter69 🇭🇺 812 52 40ms 14 Jan 2022 610th OhmNomNom 812 52 83ms 12 Oct 2022 610th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 610th emgordon154 812 52 43ms 26 Nov 2024 617th vezzick 811 62 13ms 12 Mar 2021 617th schachmattmatt 811 62 14ms 18 Aug 2021 617th cooljoseph1 811 62 24ms 6 May 2022 617th fredrik-bakke 🇳🇴 811 62 24ms 29 Sep 2022 617th nkoppel 811 62 16ms 19 Oct 2022 617th AodhanDalton 811 62 13ms 4 Nov 2022 617th nstearns96 🇬🇧 811 62 19ms 28 Nov 2022 617th adamnielson42 🇺🇸 811 62 12ms 10 Jan 2024 617th jbjd 811 62 11ms 2 Mar 2024 617th wh3n3v3r 🇨🇿 811 62 11ms 12 Nov 2024 617th jacekwladzinski 811 62 13ms 4 Oct 2025 617th Mabeloid 🇳🇴 811 62 12ms 26 Oct 2025 629th m-tkach 🇺🇦 811 89 57ms 25 Apr 2022 629th MeWhenI 🇻🇦 811 89 60ms 8 May 2022 631st Shanethegamer 🇺🇸 809 76 393ms 13 Dec 2021 632nd GolfingSuccess 🇬🇷 808 69 8ms 24 Dec 2024 633rd emgordon154 808 85 8ms 3 Jan 2025 634th Dazza314 🇬🇧 807 24 3ms 16 Apr 2021 635th emgordon154 807 67 2ms 22 Apr 2025 636th prplz 🇦🇺 807 83 129ms 10 Jul 2024 637th Shanethegamer 🇺🇸 807 94 122ms 25 Jan 2021 638th stefangimmillaro 806 80 105ms 23 Sep 2023 639th Steffan153 🇫🇮 805 60 2ms 6 May 2023 640th DaDerpDuck 805 76 1ms 20 Jan 2021 641st ArmaanAS 804 58 9ms 4 Apr 2021 641st itsh01 804 58 9ms 18 Nov 2021 643rd MeWhenI 🇻🇦 802 50 3ms 11 Nov 2022 644th Steffan153 🇫🇮 802 80 1,720ms 11 days ago 645th MeWhenI 🇻🇦 802 88 457ms 28 Feb 2022 646th Yewzir 🇧🇪 802 90 55ms 14 Oct 2023 647th edsrzf 🇳🇿 802 92 533ms 19 hours ago 648th NewDefectus 🇮🇱 801 35 50ms 25 Jan 2022 649th emgordon154 800 98 72ms 15 days ago 650th apourchot 798 63 21ms 13 Feb 2021 650th neihousaigaai 798 63 11ms 10 Apr 2021 650th lechevalier 798 63 12ms 9 Aug 2021 650th yzhs 🇩🇪 798 63 10ms 7 Jun 2022 650th commandz0 🇺🇸 798 63 14ms 19 Sep 2022 650th fourth-bit 798 63 12ms 21 Nov 2022 650th FortuiteMan 🇫🇷 798 63 27ms 8 Sep 2023 650th ssbhatt4321 798 63 27ms 14 Oct 2023 650th JOrE20 798 63 13ms 25 Feb 2026 659th Yax42 🇫🇷 798 77 413ms 5 May 2025 660th primo-ppcg 🇹🇭 798 78 69ms 13 Oct 2023 661st GrayJoKing 🇦🇺 798 86 10ms 15 Aug 2023 661st Shanethegamer 🇺🇸 798 86 11ms 11 Jan 2024 663rd TrueBoxGuy 798 95 129ms 24 Sep 2025 664th DialFrost 🇸🇬 797 53 39ms 2 Feb 2023 664th SirBogman 🇺🇸 797 53 41ms 10 Jun 2024 666th tobeannouncd 797 82 124ms 8 Jan 2024 667th MichalMarsalek 🇨🇿 797 84 132ms 6 Jan 2023 668th m-ender 🇩🇪 796 91 174ms 23 Apr 2021 669th GrayJoKing 🇦🇺 795 68 2ms 21 Jan 2021 669th m-tkach 🇺🇦 795 68 2ms 25 Apr 2022 669th MeWhenI 🇻🇦 795 68 2ms 11 Nov 2022 672nd SirBogman 🇺🇸 794 31 52ms 7 Oct 2022 673rd MeWhenI 🇻🇦 793 83 3ms 10 Sep 2022 674th Shanethegamer 🇺🇸 793 89 468ms 26 Jul 2023 675th janbehrens 🇩🇪 793 91 62ms 20 Nov 2022 675th snyderek 🇺🇸 793 91 54ms 21 Nov 2024 675th dokutan 793 91 63ms 18 Jul 2025 678th MeWhenI 🇻🇦 792 63 154ms 16 Nov 2022 679th kkoenig 791 111 342ms 5 Jan 2024 680th Salutations45 790 59 17ms 9 Jan 2025 681st SirBogman 🇺🇸 790 91 38ms 3 Jun 2025 682nd ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 682nd AlephSquirrel 789 19 2ms 8 Nov 2025 684th prplz 🇦🇺 788 46 297ms 24 Jan 2021 684th TimCurwick 🇺🇸 788 46 258ms 26 Jan 2021 684th SirBogman 🇺🇸 788 46 284ms 2 Feb 2024 687th Yewzir 🇧🇪 786 82 101ms 28 Mar 2024 688th RDShah 785 64 12ms 17 Jan 2021 688th andre-lameirinhas 🇵🇹 785 64 11ms 22 Feb 2021 688th stertooy 🇧🇪 785 64 12ms 10 Jun 2024 688th Terobero 785 64 21ms 6 Sep 2024 688th moustave 785 64 12ms 5 May 2025 688th Code-Coder-coder 785 64 13ms 25 Nov 2025 688th Lv0Sys 🇵🇱 785 64 13ms 4 Dec 2025 688th BrunoVisnadi 🇧🇷 785 64 26ms 15 days ago 696th Shanethegamer 🇺🇸 784 63 386ms 2 Jul 2021 697th Waffle3z 782 54 39ms 19 Jan 2021 697th KatieLG 🇬🇧 782 54 43ms 9 Jan 2023 697th Andriamanitra 🇫🇮 782 54 40ms 20 Jul 2023 700th vang1ong7ang 782 97 176ms 2 days ago First Prev 601–700 of 2,112 Next Last