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 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 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 Calendar 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 Multitap Input NFA Simulator 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 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 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 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 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 Calendar 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 Multitap Input NFA Simulator 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 749th Shanethegamer 🇺🇸 733 89 128ms 20 Jan 2024 752nd Omega65536 🇩🇪 733 103 139ms 24 Nov 2022 753rd primo-ppcg 🇹🇭 731 117 28ms 14 Jul 2021 754th Shanethegamer 🇺🇸 730 88 102ms 15 Oct 2022 755th Shanethegamer 🇺🇸 729 74 2ms 18 May 2022 756th CaedenHarper 🇨🇦 729 84 354ms 17 Oct 2025 757th dvik72 728 64 9ms 1 Jun 2022 757th AlephSquirrel 728 64 9ms 16 Feb 2023 759th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 759th Anonymousellama21 728 69 10ms 15 May 2022 759th TaserTheFox 🇺🇸 728 69 37ms 16 Feb 2023 762nd annaproxy 727 58 39ms 24 Oct 2023 763rd KatieLG 🇬🇧 727 63 812ms 25 Apr 2021 764th ovs-code 🇩🇪 725 72 11ms 16 Jul 2023 765th yzhs 🇩🇪 725 90 158ms 24 Jul 2021 766th dokutan 724 118 26ms 18 Jul 2025 767th jacobly0 🇺🇸 724 153 1,717ms 22 Apr 2024 767th MeWhenI 🇻🇦 724 153 1,577ms 7 Nov 2025 769th AlephSquirrel 721 34 51ms 30 Dec 2022 770th primo-ppcg 🇹🇭 720 47 26ms 5 Feb 2022 771st scpchicken 🇵🇼 719 51 143ms 18 Jan 2023 772nd Yewzir 🇧🇪 719 91 3ms 28 Mar 2024 773rd edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 774th Alex-x90 🇺🇸 718 99 381ms 23 Jun 2022 775th igmcdowell 717 65 10ms 23 Nov 2021 776th osmith93 717 70 24ms 14 Jun 2021 776th ridingqwerty 🇺🇸 717 70 11ms 23 Feb 2024 776th mbittner20 717 70 11ms 15 Jul 2024 776th luuumine 🇫🇷 717 70 12ms 20 Oct 2025 780th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 781st prplz 🇦🇺 717 91 161ms 25 Jan 2021 782nd msbranicky 716 67 582ms 17 Jan 2024 783rd marshallward 🇺🇸 716 100 44ms 7 May 2025 784th NewDefectus 🇮🇱 715 32 38ms 20 Dec 2021 785th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 786th prplz 🇦🇺 714 52 3ms 5 Feb 2021 787th MarcMush 🇫🇷 714 69 287ms 12 Feb 2024 788th elgan65536 712 106 166ms 26 Oct 2023 789th targrik 712 123 271ms 10 Jul 2025 790th emgordon154 711 80 3,090ms 9 Aug 2025 791st MeWhenI 🇻🇦 711 90 1,280ms 14 Jun 2023 792nd CaedenHarper 🇨🇦 710 64 752ms 6 Oct 2025 793rd NewDefectus 🇮🇱 710 76 2ms 25 Oct 2021 793rd JohandeRuiter 🇳🇱 710 76 3ms 3 Dec 2023 795th Feniske 🇫🇷 709 51 229ms 21 Nov 2023 796th chordowl 709 92 137ms 17 Mar 2021 797th marcin7Cd 709 103 30ms 12 Feb 2021 798th SnowballSH 707 71 10ms 12 Feb 2021 798th Andre3582 707 71 11ms 18 Mar 2021 798th PhysicDev 🇫🇷 707 71 10ms 20 May 2021 798th Alban-Boissard 707 71 12ms 10 Jun 2025 802nd omurakazuaki 🇯🇵 706 66 9ms 18 Feb 2021 802nd BambooleanLogic 🇸🇪 706 66 9ms 22 Aug 2022 802nd coreynash 706 66 9ms 21 Oct 2023 802nd two-bad 🇬🇧 706 66 9ms 24 Nov 2023 802nd dylanarmstrong 706 66 9ms 15 Jan 2024 802nd madeforlosers 706 66 10ms 5 Nov 2025 808th Stockoh 🇫🇷 706 68 365ms 24 Jun 2024 809th typeswitch-dev 🇵🇹 705 74 9ms 7 Aug 2023 810th msbranicky 704 65 1,074ms 12 Sep 2023 811th Shanethegamer 🇺🇸 704 91 41ms 16 Jun 2022 812th Herbert00709 🇵🇱 704 101 55ms 19 Nov 2024 813th SnowballSH 703 60 36ms 12 Feb 2021 813th aksyristos 703 60 48ms 28 Feb 2023 813th Lv0Sys 🇵🇱 703 60 36ms 36 hours ago 816th MeWhenI 🇻🇦 702 238 12ms 29 Aug 2023 817th MeWhenI 🇻🇦 701 35 50ms 26 Jul 2022 817th jared-hughes 701 35 54ms 31 Jul 2022 817th Natanaelel 🇸🇪 701 35 48ms 18 Aug 2022 820th KasperKivimaeki 🇫🇮 701 125 247ms 3 Oct 2025 821st UnderKoen 🇳🇱 700 134 12ms 20 Jan 2025 822nd JayXon 🇺🇸 699 40 49ms 2 Jun 2021 823rd jared-hughes 699 44 7ms 31 Jul 2022 824th Shanethegamer 🇺🇸 699 77 13ms 9 Oct 2023 825th LeeCamp 698 72 11ms 16 Feb 2022 First Prev 751–825 of 1,880 Next Last