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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 721st kcinnu 🇱🇹 760 146 1,731ms 17 May 2024 722nd SirBogman 🇺🇸 759 86 115ms 24 Jan 2021 722nd strout 759 86 124ms 15 Dec 2023 724th antimon2 🇯🇵 758 65 495ms 19 Jan 2021 725th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 725th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 727th duckyluuk 🇳🇱 756 73 8ms 16 Dec 2024 728th janbehrens 🇩🇪 756 93 460ms 24 Mar 2022 729th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 729th emgordon154 754 63 4ms 25 Aug 2024 731st olivermrose 🇺🇸 753 56 37ms 21 Sep 2021 732nd RockOfStone 753 81 2ms 4 Nov 2021 732nd dokutan 753 81 2ms 18 Jul 2025 734th lynn 753 85 1,383ms 12 Sep 2021 735th sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 736th ScottHamper 752 62 10ms 1 Jun 2021 736th helbling 🇨🇭 752 62 13ms 2 Oct 2024 738th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 739th Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 740th msbranicky 750 67 14ms 21 Aug 2023 740th JOrE20 750 67 11ms 17 days ago 742nd cipharius 750 87 169ms 19 Jan 2021 743rd Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 744th CaedenHarper 🇨🇦 749 61 798ms 9 days ago 745th CaedenHarper 🇨🇦 749 117 259ms 9 days ago 746th ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 747th arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 748th GolfingSuccess 🇬🇷 743 33 49ms 22 Jul 2022 749th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 750th kg583 🇺🇸 741 85 40ms 13 Feb 2025 751st jared-hughes 740 57 38ms 9 Sep 2022 752nd olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 752nd GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 754th janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 755th DialFrost 🇸🇬 740 99 1,084ms 8 Mar 2024 756th Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 756th Bonjour27891 🇻🇳 739 68 38ms 1 Sep 2022 756th trist224 🇫🇷 739 68 37ms 18 Oct 2022 756th mousetail 🇳🇱 739 68 37ms 11 Aug 2023 756th Command-Master 739 68 39ms 24 Sep 2023 756th firegene 🇮🇪 739 68 36ms 12 Oct 2024 762nd AlephSquirrel 739 99 9ms 18 Jan 2025 762nd edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 764th DialFrost 🇸🇬 738 49 227ms 25 Jun 2024 765th Yewzir 🇧🇪 736 62 1,015ms 16 Nov 2025 766th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 767th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 767th annaproxy 733 89 148ms 17 Aug 2022 767th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 767th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 771st Omega65536 🇩🇪 733 103 142ms 24 Nov 2022 772nd primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 773rd Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 774th CaedenHarper 🇨🇦 731 84 435ms 17 Oct 2025 775th Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 776th Shanethegamer 🇺🇸 730 88 110ms 15 Oct 2022 777th dvik72 728 64 11ms 1 Jun 2022 777th AlephSquirrel 728 64 11ms 16 Feb 2023 779th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 779th Anonymousellama21 728 69 12ms 15 May 2022 779th TaserTheFox 🇺🇸 728 69 38ms 16 Feb 2023 782nd annaproxy 727 58 40ms 24 Oct 2023 783rd KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 784th Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 785th elgan65536 🇺🇸 726 104 159ms 14 days ago 786th dokutan 726 118 25ms 18 Jul 2025 787th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 788th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 789th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 789th MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 791st AlephSquirrel 721 34 49ms 30 Dec 2022 792nd scpchicken 🇵🇼 719 51 146ms 18 Jan 2023 793rd Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 794th osmith93 718 70 25ms 14 Jun 2021 794th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 794th mbittner20 718 70 11ms 15 Jul 2024 794th luuumine 🇫🇷 718 70 11ms 20 Oct 2025 798th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 799th igmcdowell 717 65 11ms 23 Nov 2021 800th msbranicky 717 67 496ms 17 Jan 2024 First Prev 721–800 of 1,921 Next Last