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 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 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 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 720th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 722nd duckyluuk 🇳🇱 756 73 8ms 16 Dec 2024 723rd Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 723rd emgordon154 754 63 4ms 25 Aug 2024 725th ovs-code 🇩🇪 754 87 110ms 8 Mar 2024 726th RockOfStone 753 81 2ms 4 Nov 2021 726th dokutan 753 81 2ms 18 Jul 2025 728th lynn 753 85 1,383ms 12 Sep 2021 729th ScottHamper 752 62 10ms 1 Jun 2021 729th helbling 🇨🇭 752 62 10ms 2 Oct 2024 731st Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 732nd cipharius 750 87 169ms 19 Jan 2021 733rd Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 734th CaedenHarper 🇨🇦 749 61 798ms 23 days ago 735th Yewzir 🇧🇪 748 71 2ms 14 Oct 2023 736th ArmaanAS 747 66 11ms 4 Apr 2021 736th quimey 747 66 10ms 23 Jun 2023 736th firegene 🇮🇪 747 66 22ms 11 days ago 739th m-ender 🇩🇪 745 89 153ms 23 Apr 2021 740th sean-niemann 🇺🇸 744 57 138ms 17 Jun 2025 741st primo-ppcg 🇹🇭 743 40 161ms 22 Apr 2022 742nd ScottHamper 742 90 502ms 30 Nov 2025 743rd SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 744th kg583 🇺🇸 741 85 40ms 13 Feb 2025 745th jared-hughes 740 57 38ms 9 Sep 2022 746th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 746th GeorgeStechman 🇬🇧 740 63 10ms 17 Nov 2022 748th emgordon154 739 32 43ms 19 Oct 2025 749th AlephSquirrel 739 99 9ms 18 Jan 2025 749th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 751st DialFrost 🇸🇬 738 49 227ms 25 Jun 2024 752nd janbehrens 🇩🇪 737 93 460ms 24 Mar 2022 753rd Yewzir 🇧🇪 736 62 1,015ms 16 Nov 2025 754th msbranicky 736 67 14ms 21 Aug 2023 755th MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 756th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 757th CaedenHarper 🇨🇦 734 117 282ms 23 days ago 758th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 758th annaproxy 733 89 148ms 17 Aug 2022 758th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 758th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 762nd Omega65536 🇩🇪 733 103 141ms 24 Nov 2022 763rd primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 764th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 765th Shanethegamer 🇺🇸 730 88 110ms 15 Oct 2022 766th dvik72 728 64 9ms 1 Jun 2022 766th AlephSquirrel 728 64 11ms 16 Feb 2023 768th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 769th annaproxy 727 58 40ms 24 Oct 2023 770th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 771st arctouch-cristiannevianna 727 82 407ms 22 Nov 2023 772nd elgan65536 🇺🇸 726 104 165ms 27 days ago 773rd dokutan 726 118 25ms 18 Jul 2025 774th Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 774th Bonjour27891 🇻🇳 725 68 38ms 1 Sep 2022 774th trist224 🇫🇷 725 68 37ms 18 Oct 2022 774th mousetail 🇳🇱 725 68 37ms 11 Aug 2023 774th Command-Master 725 68 39ms 24 Sep 2023 774th JunkIce 725 68 20ms 24 Nov 2024 780th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 781st yzhs 🇩🇪 725 90 117ms 24 Jul 2021 782nd jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 783rd Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 784th Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 785th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 786th Alex-x90 🇺🇸 718 99 439ms 23 Jun 2022 787th GolfingSuccess 🇬🇷 717 33 49ms 22 Jul 2022 788th igmcdowell 717 65 10ms 23 Nov 2021 789th msbranicky 717 67 496ms 17 Jan 2024 790th MeWhenI 🇻🇦 717 75 9ms 9 Oct 2023 791st prplz 🇦🇺 717 91 118ms 25 Jan 2021 792nd marshallward 🇺🇸 716 100 41ms 7 May 2025 793rd tatzyr 🇯🇵 715 59 39ms 29 Dec 2024 794th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 795th prplz 🇦🇺 714 52 3ms 5 Feb 2021 796th abailey2020 🇺🇸 714 69 10ms 19 Feb 2021 796th Anonymousellama21 714 69 12ms 15 May 2022 796th TaserTheFox 🇺🇸 714 69 38ms 16 Feb 2023 796th Jacob385 714 69 43ms 22 Apr 2024 800th emgordon154 712 80 2,291ms 9 Aug 2025 First Prev 721–800 of 1,907 Next Last