Kolakoski Sequence in all languages in chars. 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 Chars Time Submitted 751st arctouch-cristiannevianna 726 82 332ms 22 Nov 2023 752nd Stockoh 🇫🇷 725 68 33ms 25 Dec 2021 752nd Bonjour27891 🇻🇳 725 68 36ms 1 Sep 2022 752nd trist224 🇫🇷 725 68 36ms 18 Oct 2022 752nd mousetail 🇳🇱 725 68 34ms 11 Aug 2023 752nd Command-Master 725 68 36ms 24 Sep 2023 752nd firegene 🇮🇪 725 68 35ms 12 Oct 2024 752nd JunkIce 725 68 23ms 24 Nov 2024 759th ovs-code 🇩🇪 725 72 11ms 16 Jul 2023 760th yzhs 🇩🇪 725 90 158ms 24 Jul 2021 761st dokutan 724 118 26ms 18 Jul 2025 762nd jacobly0 🇺🇸 724 153 1,717ms 22 Apr 2024 763rd primo-ppcg 🇹🇭 720 47 26ms 5 Feb 2022 764th Yewzir 🇧🇪 719 91 3ms 28 Mar 2024 765th edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 766th Alex-x90 🇺🇸 718 99 381ms 23 Jun 2022 767th GolfingSuccess 🇬🇷 717 33 50ms 22 Jul 2022 768th igmcdowell 717 65 10ms 23 Nov 2021 769th Shanethegamer 🇺🇸 717 74 2ms 18 May 2022 770th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 771st prplz 🇦🇺 717 91 161ms 25 Jan 2021 772nd msbranicky 716 67 582ms 17 Jan 2024 773rd marshallward 🇺🇸 716 100 44ms 7 May 2025 774th tatzyr 🇯🇵 715 59 49ms 29 Dec 2024 775th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 776th prplz 🇦🇺 714 52 3ms 5 Feb 2021 777th abailey2020 🇺🇸 714 69 10ms 19 Feb 2021 777th Anonymousellama21 714 69 10ms 15 May 2022 777th TaserTheFox 🇺🇸 714 69 37ms 16 Feb 2023 777th Jacob385 714 69 45ms 22 Apr 2024 781st elgan65536 712 106 166ms 26 Oct 2023 782nd emgordon154 711 80 3,090ms 9 Aug 2025 783rd MeWhenI 🇻🇦 711 90 1,280ms 14 Jun 2023 784th CaedenHarper 🇨🇦 710 64 752ms 6 Oct 2025 785th Feniske 🇫🇷 709 51 229ms 21 Nov 2023 786th chordowl 709 92 137ms 17 Mar 2021 787th marcin7Cd 709 103 30ms 12 Feb 2021 788th CaedenHarper 🇨🇦 708 84 354ms 17 Oct 2025 789th rucin93 🇵🇱 707 60 131ms 9 Aug 2024 790th omurakazuaki 🇯🇵 706 66 9ms 18 Feb 2021 790th BambooleanLogic 🇸🇪 706 66 9ms 22 Aug 2022 790th coreynash 706 66 9ms 21 Oct 2023 790th two-bad 🇬🇧 706 66 9ms 24 Nov 2023 790th dylanarmstrong 706 66 9ms 15 Jan 2024 790th madeforlosers 706 66 10ms 5 Nov 2025 796th Stockoh 🇫🇷 706 68 365ms 24 Jun 2024 796th JunkIce 706 68 415ms 3 Dec 2024 798th typeswitch-dev 🇵🇹 705 74 9ms 7 Aug 2023 799th antimon2 🇯🇵 704 65 475ms 19 Jan 2021 799th msbranicky 704 65 1,074ms 12 Sep 2023 801st osmith93 704 70 24ms 14 Jun 2021 801st ridingqwerty 🇺🇸 704 70 11ms 23 Feb 2024 801st mbittner20 704 70 11ms 15 Jul 2024 801st RaBa21 🇭🇺 704 70 11ms 18 Jul 2025 805th Shanethegamer 🇺🇸 704 91 41ms 16 Jun 2022 806th Herbert00709 🇵🇱 704 101 55ms 19 Nov 2024 807th SnowballSH 703 60 36ms 12 Feb 2021 807th aksyristos 703 60 48ms 28 Feb 2023 807th Lv0Sys 🇵🇱 703 60 36ms 39 hours ago 810th MeWhenI 🇻🇦 702 238 12ms 29 Aug 2023 811th UnderKoen 🇳🇱 700 134 12ms 20 Jan 2025 812th jared-hughes 699 44 7ms 31 Jul 2022 813th Shanethegamer 🇺🇸 699 77 13ms 9 Oct 2023 814th NewDefectus 🇮🇱 698 76 2ms 25 Oct 2021 814th JohandeRuiter 🇳🇱 698 76 3ms 3 Dec 2023 816th targrik 698 123 271ms 10 Jul 2025 817th AlephSquirrel 696 34 51ms 30 Dec 2022 818th neihousaigaai 696 67 10ms 10 Apr 2021 819th Jacob385 696 69 401ms 22 Apr 2024 820th jared-hughes 696 159 1,500ms 16 Sep 2025 821st DialFrost 🇸🇬 695 56 76ms 22 Jul 2024 822nd targrik 695 57 5ms 26 Aug 2025 823rd SnowballSH 694 71 10ms 12 Feb 2021 823rd Andre3582 694 71 11ms 18 Mar 2021 823rd PhysicDev 🇫🇷 694 71 10ms 20 May 2021 First Prev 751–825 of 1,861 Next Last