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 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 ><> 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 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 ><> 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 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 Chars Time Submitted 721st ovs-code 🇩🇪 754 87 110ms 8 Mar 2024 722nd RockOfStone 753 81 3ms 4 Nov 2021 722nd dokutan 753 81 2ms 18 Jul 2025 724th lynn 753 85 1,383ms 12 Sep 2021 725th ScottHamper 752 62 10ms 1 Jun 2021 725th helbling 🇨🇭 752 62 11ms 2 Oct 2024 727th Mabeloid 🇳🇴 750 64 500ms 17 Sep 2024 728th cipharius 750 87 198ms 19 Jan 2021 729th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 730th Yewzir 🇧🇪 748 71 3ms 14 Oct 2023 731st CaedenHarper 🇨🇦 747 61 798ms 23 hours ago 732nd ArmaanAS 747 66 13ms 4 Apr 2021 732nd quimey 747 66 10ms 23 Jun 2023 734th m-ender 🇩🇪 745 89 153ms 23 Apr 2021 735th sean-niemann 🇺🇸 744 57 142ms 17 Jun 2025 736th primo-ppcg 🇹🇭 743 40 140ms 22 Apr 2022 737th ScottHamper 742 90 502ms 30 Nov 2025 738th kg583 🇺🇸 741 85 40ms 13 Feb 2025 739th SirBogman 🇺🇸 741 139 2ms 21 Dec 2021 740th jared-hughes 740 57 40ms 9 Sep 2022 741st olivermrose 🇺🇸 740 63 10ms 21 Sep 2021 741st GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 743rd emgordon154 739 32 43ms 19 Oct 2025 744th AlephSquirrel 739 99 10ms 18 Jan 2025 744th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 746th DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 747th janbehrens 🇩🇪 737 93 464ms 24 Mar 2022 748th msbranicky 736 67 15ms 21 Aug 2023 748th JOrE20 🇺🇸 736 67 11ms 8 days ago 750th Yewzir 🇧🇪 735 62 1,015ms 16 Nov 2025 751st MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 752nd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 753rd CaedenHarper 🇨🇦 734 117 259ms 23 hours ago 754th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 754th annaproxy 733 89 148ms 17 Aug 2022 754th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 754th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 758th Omega65536 🇩🇪 733 103 133ms 24 Nov 2022 759th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 760th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 761st Shanethegamer 🇺🇸 730 88 146ms 15 Oct 2022 762nd dvik72 728 64 9ms 1 Jun 2022 762nd AlephSquirrel 728 64 11ms 16 Feb 2023 764th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 765th annaproxy 727 58 40ms 24 Oct 2023 766th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 767th arctouch-cristiannevianna 727 82 407ms 22 Nov 2023 768th elgan65536 🇺🇸 726 104 162ms 5 days ago 769th dokutan 726 118 25ms 18 Jul 2025 770th Stockoh 🇫🇷 725 68 41ms 25 Dec 2021 770th Bonjour27891 🇻🇳 725 68 38ms 1 Sep 2022 770th trist224 🇫🇷 725 68 37ms 18 Oct 2022 770th mousetail 🇳🇱 725 68 38ms 11 Aug 2023 770th Command-Master 725 68 40ms 24 Sep 2023 770th firegene 🇮🇪 725 68 36ms 12 Oct 2024 770th JunkIce 725 68 20ms 24 Nov 2024 777th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 778th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 779th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 780th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 781st Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 782nd edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 783rd Alex-x90 🇺🇸 718 99 399ms 23 Jun 2022 784th GolfingSuccess 🇬🇷 717 33 63ms 22 Jul 2022 785th igmcdowell 717 65 10ms 23 Nov 2021 786th msbranicky 717 67 496ms 17 Jan 2024 787th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 788th prplz 🇦🇺 717 91 118ms 25 Jan 2021 789th marshallward 🇺🇸 716 100 41ms 7 May 2025 790th tatzyr 🇯🇵 715 59 39ms 29 Dec 2024 791st NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 792nd prplz 🇦🇺 714 52 3ms 5 Feb 2021 793rd abailey2020 🇺🇸 714 69 10ms 19 Feb 2021 793rd Anonymousellama21 714 69 12ms 15 May 2022 793rd TaserTheFox 🇺🇸 714 69 38ms 16 Feb 2023 793rd Jacob385 714 69 48ms 22 Apr 2024 797th emgordon154 712 80 2,291ms 9 Aug 2025 798th MeWhenI 🇻🇦 711 90 1,429ms 14 Jun 2023 799th marcin7Cd 710 103 21ms 12 Feb 2021 800th Feniske 🇫🇷 709 51 270ms 21 Nov 2023 First Prev 721–800 of 1,899 Next Last