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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 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 721st TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 721st 77Tigers 758 65 32ms 1 Mar 2021 721st knutae 🇳🇴 758 65 10ms 29 Jun 2021 721st ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 721st guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 721st martinnorling 🇸🇪 758 65 10ms 8 Mar 2022 721st IshanPanpaliya 758 65 11ms 3 May 2023 721st nooberitess 758 65 12ms 8 Apr 2025 729th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 729th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 731st edsrzf 🇳🇿 758 82 9ms 13 days ago 732nd duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 733rd Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 733rd emgordon154 754 63 4ms 25 Aug 2024 735th ovs-code 🇩🇪 754 87 110ms 8 Mar 2024 736th edsrzf 🇳🇿 754 97 35ms 5 days ago 737th RockOfStone 753 81 2ms 4 Nov 2021 737th dokutan 753 81 2ms 18 Jul 2025 739th lynn 753 85 1,297ms 12 Sep 2021 740th ScottHamper 752 62 9ms 1 Jun 2021 740th helbling 🇨🇭 752 62 11ms 2 Oct 2024 742nd Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 743rd cipharius 750 87 169ms 19 Jan 2021 744th edsrzf 🇳🇿 750 91 7ms 13 days ago 745th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 746th CaedenHarper 🇨🇦 749 61 1,432ms 11 Feb 2026 747th Yewzir 🇧🇪 748 71 2ms 14 Oct 2023 748th ArmaanAS 747 66 11ms 4 Apr 2021 748th quimey 747 66 10ms 23 Jun 2023 748th firegene 🇮🇪 747 66 22ms 24 Feb 2026 751st emgordon154 747 115 27ms 3 days ago 752nd m-ender 🇩🇪 745 89 162ms 23 Apr 2021 753rd sean-niemann 🇺🇸 744 57 155ms 17 Jun 2025 754th primo-ppcg 🇹🇭 743 40 172ms 22 Apr 2022 755th ScottHamper 742 90 502ms 30 Nov 2025 756th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 757th kg583 🇺🇸 741 85 40ms 13 Feb 2025 758th emgordon154 740 32 43ms 19 Oct 2025 759th jared-hughes 740 57 37ms 9 Sep 2022 760th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 760th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 762nd AlephSquirrel 739 99 9ms 18 Jan 2025 763rd DialFrost 🇸🇬 738 49 280ms 25 Jun 2024 764th janbehrens 🇩🇪 737 93 460ms 24 Mar 2022 765th Yewzir 🇧🇪 736 62 1,249ms 16 Nov 2025 766th msbranicky 736 67 14ms 21 Aug 2023 766th Matter1024 🇮🇳 736 67 14ms 3 days ago 768th MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 769th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 770th primo-ppcg 🇹🇭 734 117 25ms 14 Jul 2021 770th CaedenHarper 🇨🇦 734 117 282ms 11 Feb 2026 772nd guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 772nd annaproxy 733 89 148ms 17 Aug 2022 772nd Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 772nd snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 776th Omega65536 🇩🇪 733 103 145ms 24 Nov 2022 777th Steffan153 🇫🇮 731 51 82ms 18 Dec 2022 778th Shanethegamer 🇺🇸 730 88 114ms 15 Oct 2022 779th dvik72 728 64 9ms 1 Jun 2022 779th AlephSquirrel 728 64 9ms 16 Feb 2023 781st janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 782nd dokutan 728 118 25ms 18 Jul 2025 783rd annaproxy 727 58 43ms 24 Oct 2023 784th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 785th arctouch-cristiannevianna 727 82 389ms 22 Nov 2023 786th elgan65536 🇺🇸 726 104 162ms 7 Feb 2026 787th Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 787th Bonjour27891 🇻🇳 725 68 38ms 1 Sep 2022 787th trist224 🇫🇷 725 68 37ms 18 Oct 2022 787th mousetail 🇳🇱 725 68 37ms 11 Aug 2023 787th Command-Master 725 68 39ms 24 Sep 2023 787th JunkIce 725 68 20ms 24 Nov 2024 793rd ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 794th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 795th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 796th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 797th GolfingSuccess 🇬🇷 718 33 50ms 22 Jul 2022 798th Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 799th Alex-x90 🇺🇸 718 99 417ms 23 Jun 2022 800th igmcdowell 717 65 10ms 23 Nov 2021 First Prev 721–800 of 1,924 Next Last