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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 718th ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 718th guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 718th martinnorling 🇸🇪 758 65 10ms 8 Mar 2022 718th IshanPanpaliya 758 65 11ms 3 May 2023 718th nooberitess 758 65 12ms 8 Apr 2025 726th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 726th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 728th duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 729th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 729th emgordon154 754 63 4ms 25 Aug 2024 731st ovs-code 🇩🇪 754 87 110ms 8 Mar 2024 732nd RockOfStone 753 81 2ms 4 Nov 2021 732nd dokutan 753 81 2ms 18 Jul 2025 734th lynn 753 85 1,459ms 12 Sep 2021 735th ScottHamper 752 62 10ms 1 Jun 2021 735th helbling 🇨🇭 752 62 10ms 2 Oct 2024 737th Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 738th cipharius 750 87 169ms 19 Jan 2021 739th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 740th CaedenHarper 🇨🇦 749 61 798ms 11 Feb 2026 741st Yewzir 🇧🇪 748 71 2ms 14 Oct 2023 742nd ArmaanAS 747 66 11ms 4 Apr 2021 742nd quimey 747 66 10ms 23 Jun 2023 742nd firegene 🇮🇪 747 66 22ms 22 days ago 745th m-ender 🇩🇪 745 89 162ms 23 Apr 2021 746th sean-niemann 🇺🇸 744 57 156ms 17 Jun 2025 747th primo-ppcg 🇹🇭 743 40 157ms 22 Apr 2022 748th ScottHamper 742 90 502ms 30 Nov 2025 749th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 750th kg583 🇺🇸 741 85 40ms 13 Feb 2025 751st emgordon154 740 32 43ms 19 Oct 2025 752nd jared-hughes 740 57 42ms 9 Sep 2022 753rd olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 753rd GeorgeStechman 🇬🇧 740 63 10ms 17 Nov 2022 755th AlephSquirrel 739 99 9ms 18 Jan 2025 755th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 757th DialFrost 🇸🇬 738 49 355ms 25 Jun 2024 758th janbehrens 🇩🇪 737 93 460ms 24 Mar 2022 759th Yewzir 🇧🇪 736 62 1,015ms 16 Nov 2025 760th msbranicky 736 67 14ms 21 Aug 2023 761st MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 762nd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 763rd CaedenHarper 🇨🇦 734 117 282ms 11 Feb 2026 764th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 764th annaproxy 733 89 148ms 17 Aug 2022 764th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 764th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 768th Omega65536 🇩🇪 733 103 141ms 24 Nov 2022 769th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 770th Steffan153 🇫🇮 731 51 82ms 18 Dec 2022 771st Shanethegamer 🇺🇸 730 88 114ms 15 Oct 2022 772nd dvik72 728 64 11ms 1 Jun 2022 772nd AlephSquirrel 728 64 11ms 16 Feb 2023 774th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 775th annaproxy 727 58 46ms 24 Oct 2023 776th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 777th arctouch-cristiannevianna 727 82 389ms 22 Nov 2023 778th elgan65536 🇺🇸 726 104 159ms 7 Feb 2026 779th dokutan 726 118 25ms 18 Jul 2025 780th Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 780th Bonjour27891 🇻🇳 725 68 38ms 1 Sep 2022 780th trist224 🇫🇷 725 68 37ms 18 Oct 2022 780th mousetail 🇳🇱 725 68 37ms 11 Aug 2023 780th Command-Master 725 68 39ms 24 Sep 2023 780th JunkIce 725 68 20ms 24 Nov 2024 786th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 787th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 788th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 789th edsrzf 🇳🇿 723 86 9ms 18 hours ago 790th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 791st GolfingSuccess 🇬🇷 718 33 53ms 22 Jul 2022 792nd Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 793rd edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 794th Alex-x90 🇺🇸 718 99 454ms 23 Jun 2022 795th igmcdowell 717 65 10ms 23 Nov 2021 796th msbranicky 717 67 496ms 17 Jan 2024 797th MeWhenI 🇻🇦 717 75 9ms 9 Oct 2023 798th prplz 🇦🇺 717 91 118ms 25 Jan 2021 799th marshallward 🇺🇸 716 100 41ms 7 May 2025 800th tatzyr 🇯🇵 715 59 38ms 29 Dec 2024 First Prev 721–800 of 1,914 Next Last