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 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 Multitap Input 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 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 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 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 Multitap Input 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 Mabeloid 🇳🇴 750 64 409ms 17 Sep 2024 722nd cipharius 750 87 198ms 19 Jan 2021 723rd Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 724th Yewzir 🇧🇪 748 71 3ms 14 Oct 2023 725th ArmaanAS 747 66 11ms 4 Apr 2021 725th quimey 747 66 11ms 23 Jun 2023 727th sean-niemann 🇺🇸 744 57 133ms 17 Jun 2025 728th primo-ppcg 🇹🇭 743 40 157ms 22 Apr 2022 729th ScottHamper 742 90 446ms 30 Nov 2025 730th kg583 🇺🇸 741 85 40ms 13 Feb 2025 731st jared-hughes 740 57 40ms 9 Sep 2022 732nd olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 732nd GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 734th SirBogman 🇺🇸 740 139 2ms 21 Dec 2021 735th emgordon154 739 32 43ms 19 Oct 2025 736th AlephSquirrel 739 99 10ms 18 Jan 2025 736th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 738th DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 739th janbehrens 🇩🇪 737 93 464ms 24 Mar 2022 740th Yewzir 🇧🇪 735 62 739ms 16 Nov 2025 741st msbranicky 735 67 15ms 21 Aug 2023 742nd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 743rd guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 743rd annaproxy 733 89 148ms 17 Aug 2022 743rd Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 743rd snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 747th Omega65536 🇩🇪 733 103 131ms 24 Nov 2022 748th MeWhenI 🇻🇦 733 151 1,682ms 7 Nov 2025 749th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 750th primo-ppcg 🇹🇭 731 117 25ms 14 Jul 2021 751st Shanethegamer 🇺🇸 730 88 112ms 15 Oct 2022 752nd dvik72 728 64 10ms 1 Jun 2022 752nd AlephSquirrel 728 64 10ms 16 Feb 2023 754th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 755th annaproxy 727 58 40ms 24 Oct 2023 756th KatieLG 🇬🇧 727 63 1,263ms 25 Apr 2021 757th arctouch-cristiannevianna 726 82 407ms 22 Nov 2023 758th Stockoh 🇫🇷 725 68 34ms 25 Dec 2021 758th Bonjour27891 🇻🇳 725 68 34ms 1 Sep 2022 758th trist224 🇫🇷 725 68 37ms 18 Oct 2022 758th mousetail 🇳🇱 725 68 35ms 11 Aug 2023 758th Command-Master 725 68 39ms 24 Sep 2023 758th firegene 🇮🇪 725 68 36ms 12 Oct 2024 758th JunkIce 725 68 17ms 24 Nov 2024 765th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 766th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 767th dokutan 724 118 25ms 18 Jul 2025 768th jacobly0 🇺🇸 724 153 1,809ms 22 Apr 2024 769th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 770th Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 771st edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 772nd Alex-x90 🇺🇸 718 99 399ms 23 Jun 2022 773rd GolfingSuccess 🇬🇷 717 33 63ms 22 Jul 2022 774th igmcdowell 717 65 10ms 23 Nov 2021 775th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 776th prplz 🇦🇺 717 91 118ms 25 Jan 2021 777th msbranicky 716 67 469ms 17 Jan 2024 778th marshallward 🇺🇸 716 100 41ms 7 May 2025 779th tatzyr 🇯🇵 715 59 39ms 29 Dec 2024 780th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 781st prplz 🇦🇺 714 52 3ms 5 Feb 2021 782nd abailey2020 🇺🇸 714 69 10ms 19 Feb 2021 782nd Anonymousellama21 714 69 11ms 15 May 2022 782nd TaserTheFox 🇺🇸 714 69 36ms 16 Feb 2023 782nd Jacob385 714 69 44ms 22 Apr 2024 786th CaedenHarper 🇨🇦 712 64 766ms 6 Oct 2025 787th emgordon154 712 80 2,331ms 9 Aug 2025 788th elgan65536 712 106 147ms 26 Oct 2023 789th MeWhenI 🇻🇦 711 90 1,429ms 14 Jun 2023 790th marcin7Cd 710 103 21ms 12 Feb 2021 791st Feniske 🇫🇷 709 51 270ms 21 Nov 2023 792nd CaedenHarper 🇨🇦 709 84 450ms 17 Oct 2025 793rd chordowl 709 92 116ms 17 Mar 2021 794th aadenboy 🇺🇸 708 86 2ms 16 Dec 2025 795th rucin93 🇵🇱 707 60 127ms 9 Aug 2024 796th omurakazuaki 🇯🇵 706 66 11ms 18 Feb 2021 796th BambooleanLogic 🇸🇪 706 66 9ms 22 Aug 2022 796th coreynash 706 66 9ms 21 Oct 2023 796th two-bad 🇬🇧 706 66 10ms 24 Nov 2023 796th dylanarmstrong 706 66 9ms 15 Jan 2024 First Prev 721–800 of 1,884 Next Last