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 715th fgrosshans 🇫🇷 773 65 11ms 12 Jul 2022 715th IshanPanpaliya 773 65 11ms 3 May 2023 715th nooberitess 773 65 12ms 8 Apr 2025 715th robin-scragg 773 65 16ms 21 Oct 2025 725th c0d3-4-F00d 🇩🇪 773 70 2ms 18 Mar 2022 725th Alex-x90 🇺🇸 773 70 2ms 6 Mar 2023 725th dokutan 773 70 2ms 18 Jul 2025 728th MeWhenI 🇻🇦 772 89 102ms 25 Dec 2022 729th MeWhenI 🇻🇦 771 47 297ms 28 Jan 2023 730th emgordon154 768 32 47ms 19 Oct 2025 731st LostSyntax21 🇬🇧 768 55 45ms 2 Oct 2024 732nd lynn 768 78 152ms 16 Nov 2021 733rd MeWhenI 🇻🇦 768 108 27ms 7 Jun 2023 734th rucin93 🇵🇱 767 60 127ms 9 Aug 2024 735th retrohun 767 63 114ms 23 Jan 2023 736th Shanethegamer 🇺🇸 767 65 147ms 22 May 2021 737th edsrzf 🇳🇿 765 96 10ms 6 days ago 738th albanian-laundromat 🇺🇸 764 60 1,039ms 1 Oct 2025 739th Waffle3z 764 61 14ms 20 Jan 2021 739th didion0 🇺🇸 764 61 9ms 9 Feb 2021 739th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 739th tayloia 🇬🇧 764 61 10ms 29 May 2022 743rd duckyluuk 🇳🇱 763 73 9ms 16 Dec 2024 744th ScottHamper 763 90 482ms 30 Nov 2025 745th ArmaanAS 761 66 12ms 4 Apr 2021 745th quimey 761 66 11ms 23 Jun 2023 745th firegene 🇮🇪 761 66 25ms 24 Feb 2026 748th edsrzf 🇳🇿 761 82 8ms 20 Mar 2026 749th GolfingSuccess 🇬🇷 760 71 6ms 16 Oct 2023 749th Yewzir 🇧🇪 760 71 3ms 19 Nov 2025 751st SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 751st strout 760 86 124ms 15 Dec 2023 753rd janbehrens 🇩🇪 759 93 460ms 24 Mar 2022 754th sean-niemann 🇺🇸 755 61 129ms 17 Jun 2025 755th RockOfStone 755 81 2ms 4 Nov 2021 755th dokutan 755 81 2ms 18 Jul 2025 757th Lydxn 🇨🇦 755 223 13ms 24 Jun 2021 758th olivermrose 🇺🇸 754 56 41ms 21 Sep 2021 759th edsrzf 🇳🇿 754 91 7ms 20 Mar 2026 760th CaedenHarper 🇨🇦 752 61 1,192ms 11 Feb 2026 761st ScottHamper 752 62 10ms 1 Jun 2021 761st helbling 🇨🇭 752 62 16ms 2 Oct 2024 763rd Mabeloid 🇳🇴 752 64 398ms 17 Sep 2024 764th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 765th cipharius 751 87 169ms 19 Jan 2021 766th msbranicky 750 67 15ms 21 Aug 2023 766th Matter1024 🇮🇳 750 67 13ms 27 days ago 768th arctouch-cristiannevianna 750 82 385ms 22 Nov 2023 769th CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 770th emgordon154 749 115 27ms 27 days ago 771st kg583 🇺🇸 746 85 40ms 13 Feb 2025 771st edsrzf 🇳🇿 746 85 37ms 6 days ago 773rd GolfingSuccess 🇬🇷 745 33 50ms 22 Jul 2022 774th Shanethegamer 🇺🇸 744 63 4ms 13 Aug 2024 774th emgordon154 744 63 4ms 25 Aug 2024 776th DialFrost 🇸🇬 744 99 1,084ms 8 Mar 2024 777th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 778th jared-hughes 741 57 42ms 9 Sep 2022 779th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 780th AlephSquirrel 741 99 10ms 18 Jan 2025 781st Yewzir 🇧🇪 740 62 1,243ms 16 Nov 2025 782nd olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 782nd GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 784th DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 785th Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 785th Bonjour27891 🇻🇳 739 68 39ms 1 Sep 2022 785th trist224 🇫🇷 739 68 49ms 18 Oct 2022 785th mousetail 🇳🇱 739 68 33ms 11 Aug 2023 785th Command-Master 739 68 39ms 24 Sep 2023 785th madex 🇩🇪 739 68 26ms 19 days ago 791st MeWhenI 🇻🇦 738 93 4ms 22 May 2023 792nd primo-ppcg 🇹🇭 737 117 25ms 14 Jul 2021 793rd Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 794th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 794th annaproxy 734 89 148ms 17 Aug 2022 794th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 794th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 798th Shanethegamer 🇺🇸 733 88 117ms 15 Oct 2022 799th ovs-code 🇩🇪 732 49 171ms 2 Jan 2024 800th CaedenHarper 🇨🇦 732 84 432ms 17 Oct 2025 First Prev 721–800 of 2,109 Next Last