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 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 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 801st elgan65536 🇺🇸 729 104 162ms 7 Feb 2026 802nd annaproxy 728 58 40ms 24 Oct 2023 803rd KatieLG 🇬🇧 728 63 1,399ms 25 Apr 2021 804th abailey2020 🇺🇸 728 69 12ms 19 Feb 2021 804th Anonymousellama21 728 69 11ms 15 May 2022 804th TaserTheFox 🇺🇸 728 69 49ms 16 Feb 2023 807th ovs-code 🇩🇪 727 72 12ms 16 Jul 2023 808th yzhs 🇩🇪 726 90 117ms 24 Jul 2021 809th AlephSquirrel 723 34 49ms 30 Dec 2022 810th Yewzir 🇧🇪 723 91 2ms 28 Mar 2024 811th marshallward 🇺🇸 719 100 41ms 7 May 2025 812th msbranicky 718 67 515ms 17 Jan 2024 813th osmith93 718 70 24ms 14 Jun 2021 813th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 813th mbittner20 718 70 11ms 15 Jul 2024 813th luuumine 🇫🇷 718 70 12ms 20 Oct 2025 817th MeWhenI 🇻🇦 718 75 8ms 9 Oct 2023 818th prplz 🇦🇺 718 91 118ms 25 Jan 2021 819th igmcdowell 717 65 12ms 23 Nov 2021 820th NewDefectus 🇮🇱 716 32 34ms 20 Dec 2021 821st MarcMush 🇫🇷 716 69 309ms 12 Feb 2024 822nd prplz 🇦🇺 715 52 3ms 5 Feb 2021 823rd emgordon154 715 80 2,397ms 9 Aug 2025 824th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 825th Herbert00709 🇵🇱 714 101 62ms 19 Nov 2024 826th targrik 714 123 338ms 10 Jul 2025 827th MeWhenI 🇻🇦 713 90 2,366ms 14 Jun 2023 828th NewDefectus 🇮🇱 712 76 2ms 25 Oct 2021 828th JohandeRuiter 🇳🇱 712 76 2ms 3 Dec 2023 828th madex 🇩🇪 712 76 3ms 4 days ago 831st marcin7Cd 712 103 23ms 12 Feb 2021 832nd aadenboy 🇺🇸 711 86 2ms 16 Dec 2025 833rd Feniske 🇫🇷 710 51 240ms 21 Nov 2023 834th chordowl 710 92 116ms 17 Mar 2021 835th vang1ong7ang 709 107 172ms 7 days ago 836th SnowballSH 708 71 12ms 12 Feb 2021 836th Andre3582 708 71 13ms 18 Mar 2021 836th PhysicDev 🇫🇷 708 71 11ms 20 May 2021 836th Alban-Boissard 708 71 14ms 10 Jun 2025 840th omurakazuaki 🇯🇵 707 66 11ms 18 Feb 2021 840th BambooleanLogic 🇸🇪 707 66 10ms 22 Aug 2022 840th coreynash 707 66 11ms 21 Oct 2023 840th two-bad 🇬🇧 707 66 15ms 24 Nov 2023 840th dylanarmstrong 707 66 12ms 15 Jan 2024 840th madeforlosers 707 66 9ms 5 Nov 2025 846th Stockoh 🇫🇷 707 68 476ms 24 Jun 2024 847th typeswitch-dev 🇵🇹 707 74 8ms 7 Aug 2023 848th msbranicky 706 65 1,289ms 12 Sep 2023 849th Shanethegamer 🇺🇸 706 91 39ms 16 Jun 2022 850th MeWhenI 🇻🇦 705 238 12ms 29 Aug 2023 851st SnowballSH 704 60 36ms 12 Feb 2021 851st aksyristos 704 60 37ms 28 Feb 2023 851st Lv0Sys 🇵🇱 704 60 40ms 4 Dec 2025 854th primo-ppcg 🇹🇭 703 47 1,032ms 5 Feb 2022 855th scpchicken 🇵🇼 703 51 172ms 18 Jan 2023 856th MeWhenI 🇻🇦 702 35 51ms 26 Jul 2022 856th jared-hughes 702 35 46ms 31 Jul 2022 856th Natanaelel 🇸🇪 702 35 50ms 18 Aug 2022 856th CaedenHarper 🇨🇦 702 35 53ms 16 days ago 860th KasperKivimaeki 🇫🇮 702 125 346ms 3 Oct 2025 861st UnderKoen 🇳🇱 702 134 13ms 20 Jan 2025 862nd JayXon 🇺🇸 701 40 54ms 2 Jun 2021 863rd jared-hughes 700 44 6ms 31 Jul 2022 864th Shanethegamer 🇺🇸 700 77 13ms 9 Oct 2023 865th JGDoerrer 700 103 470ms 5 Jan 2022 865th tailorspy 700 103 59ms 29 Oct 2023 867th LeeCamp 698 72 12ms 16 Feb 2022 867th LukasFolwarczny 🇨🇿 698 72 15ms 16 Sep 2022 867th CutSandstone 698 72 39ms 8 Jul 2024 870th targrik 697 57 6ms 26 Aug 2025 871st neihousaigaai 696 67 10ms 10 Apr 2021 872nd boxjelly 695 94 114ms 21 Jan 2021 872nd YAJUE114514 695 94 130ms 24 Jul 2025 874th dokutan 694 99 372ms 24 Sep 2025 875th edsrzf 🇳🇿 694 123 103ms 2 days ago 876th MeWhenI 🇻🇦 693 106 345ms 26 Aug 2023 877th Espiobest 692 61 34ms 13 Feb 2021 877th DaCuteRaccoon 692 61 42ms 9 Dec 2022 879th msbranicky 692 95 5ms 11 Aug 2023 880th Shanethegamer 🇺🇸 691 106 18ms 4 Oct 2024 First Prev 801–880 of 2,046 Next Last