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 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 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 720th emgordon154 754 63 4ms 25 Aug 2024 722nd olivermrose 🇺🇸 753 56 41ms 21 Sep 2021 723rd RockOfStone 753 81 3ms 4 Nov 2021 723rd dokutan 753 81 2ms 18 Jul 2025 725th lynn 753 85 1,383ms 12 Sep 2021 726th sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 727th ScottHamper 752 62 10ms 1 Jun 2021 727th helbling 🇨🇭 752 62 10ms 2 Oct 2024 729th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 730th Mabeloid 🇳🇴 750 64 500ms 17 Sep 2024 731st msbranicky 750 67 15ms 21 Aug 2023 731st JOrE20 750 67 11ms 29 mins ago 733rd cipharius 750 87 198ms 19 Jan 2021 734th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 735th ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 736th arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 737th GolfingSuccess 🇬🇷 743 33 63ms 22 Jul 2022 738th kg583 🇺🇸 741 85 40ms 13 Feb 2025 739th SirBogman 🇺🇸 741 139 2ms 21 Dec 2021 740th jared-hughes 740 57 40ms 9 Sep 2022 741st olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 741st GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 743rd janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 744th DialFrost 🇸🇬 740 99 1,055ms 8 Mar 2024 745th Stockoh 🇫🇷 739 68 41ms 25 Dec 2021 745th Bonjour27891 🇻🇳 739 68 38ms 1 Sep 2022 745th trist224 🇫🇷 739 68 37ms 18 Oct 2022 745th mousetail 🇳🇱 739 68 38ms 11 Aug 2023 745th Command-Master 739 68 40ms 24 Sep 2023 745th firegene 🇮🇪 739 68 36ms 12 Oct 2024 751st AlephSquirrel 739 99 10ms 18 Jan 2025 751st edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 753rd DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 754th Yewzir 🇧🇪 735 62 1,015ms 16 Nov 2025 755th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 756th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 756th annaproxy 733 89 148ms 17 Aug 2022 756th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 756th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 760th Omega65536 🇩🇪 733 103 133ms 24 Nov 2022 761st Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 762nd CaedenHarper 🇨🇦 731 84 450ms 17 Oct 2025 763rd primo-ppcg 🇹🇭 731 117 25ms 14 Jul 2021 764th Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 765th Shanethegamer 🇺🇸 730 88 112ms 15 Oct 2022 766th dvik72 728 64 10ms 1 Jun 2022 766th AlephSquirrel 728 64 10ms 16 Feb 2023 768th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 768th Anonymousellama21 728 69 12ms 15 May 2022 768th TaserTheFox 🇺🇸 728 69 38ms 16 Feb 2023 771st annaproxy 727 58 40ms 24 Oct 2023 772nd KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 773rd Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 774th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 775th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 776th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 776th MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 778th dokutan 724 118 25ms 18 Jul 2025 779th AlephSquirrel 721 34 50ms 30 Dec 2022 780th scpchicken 🇵🇼 719 51 147ms 18 Jan 2023 781st Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 782nd osmith93 718 70 25ms 14 Jun 2021 782nd ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 782nd mbittner20 718 70 11ms 15 Jul 2024 782nd luuumine 🇫🇷 718 70 11ms 20 Oct 2025 786th edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 787th igmcdowell 717 65 10ms 23 Nov 2021 788th msbranicky 717 67 496ms 17 Jan 2024 789th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 790th prplz 🇦🇺 717 91 118ms 25 Jan 2021 791st marshallward 🇺🇸 716 100 41ms 7 May 2025 792nd NewDefectus 🇮🇱 715 32 34ms 20 Dec 2021 793rd NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 794th prplz 🇦🇺 714 52 3ms 5 Feb 2021 795th MarcMush 🇫🇷 714 69 298ms 12 Feb 2024 796th CaedenHarper 🇨🇦 712 64 1,493ms 6 Oct 2025 797th emgordon154 712 80 3,197ms 9 Aug 2025 798th Herbert00709 🇵🇱 712 101 60ms 19 Nov 2024 799th elgan65536 712 106 159ms 26 Oct 2023 800th targrik 712 123 254ms 10 Jul 2025 First Prev 721–800 of 1,910 Next Last