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 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 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 719th knutae 🇳🇴 758 65 10ms 29 Jun 2021 719th ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 719th guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 719th martinnorling 🇸🇪 758 65 10ms 8 Mar 2022 719th IshanPanpaliya 758 65 11ms 3 May 2023 719th nooberitess 758 65 12ms 8 Apr 2025 727th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 727th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 729th duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 730th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 730th emgordon154 754 63 4ms 25 Aug 2024 732nd ovs-code 🇩🇪 754 87 110ms 8 Mar 2024 733rd RockOfStone 753 81 2ms 4 Nov 2021 733rd dokutan 753 81 2ms 18 Jul 2025 735th lynn 753 85 1,297ms 12 Sep 2021 736th ScottHamper 752 62 9ms 1 Jun 2021 736th helbling 🇨🇭 752 62 15ms 2 Oct 2024 738th Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 739th cipharius 750 87 169ms 19 Jan 2021 740th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 741st CaedenHarper 🇨🇦 749 61 798ms 11 Feb 2026 742nd Yewzir 🇧🇪 748 71 2ms 14 Oct 2023 743rd ArmaanAS 747 66 11ms 4 Apr 2021 743rd quimey 747 66 10ms 23 Jun 2023 743rd firegene 🇮🇪 747 66 22ms 23 days ago 746th m-ender 🇩🇪 745 89 162ms 23 Apr 2021 747th sean-niemann 🇺🇸 744 57 155ms 17 Jun 2025 748th primo-ppcg 🇹🇭 743 40 157ms 22 Apr 2022 749th ScottHamper 742 90 502ms 30 Nov 2025 750th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 751st kg583 🇺🇸 741 85 40ms 13 Feb 2025 752nd emgordon154 740 32 43ms 19 Oct 2025 753rd jared-hughes 740 57 37ms 9 Sep 2022 754th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 754th GeorgeStechman 🇬🇧 740 63 10ms 17 Nov 2022 756th AlephSquirrel 739 99 9ms 18 Jan 2025 756th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 758th DialFrost 🇸🇬 738 49 280ms 25 Jun 2024 759th janbehrens 🇩🇪 737 93 460ms 24 Mar 2022 760th Yewzir 🇧🇪 736 62 1,015ms 16 Nov 2025 761st msbranicky 736 67 14ms 21 Aug 2023 762nd MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 763rd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 764th CaedenHarper 🇨🇦 734 117 282ms 11 Feb 2026 765th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 765th annaproxy 733 89 148ms 17 Aug 2022 765th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 765th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 769th Omega65536 🇩🇪 733 103 141ms 24 Nov 2022 770th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 771st Steffan153 🇫🇮 731 51 82ms 18 Dec 2022 772nd Shanethegamer 🇺🇸 730 88 114ms 15 Oct 2022 773rd dvik72 728 64 12ms 1 Jun 2022 773rd AlephSquirrel 728 64 10ms 16 Feb 2023 775th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 776th annaproxy 727 58 43ms 24 Oct 2023 777th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 778th arctouch-cristiannevianna 727 82 389ms 22 Nov 2023 779th elgan65536 🇺🇸 726 104 159ms 7 Feb 2026 780th dokutan 726 118 25ms 18 Jul 2025 781st Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 781st Bonjour27891 🇻🇳 725 68 38ms 1 Sep 2022 781st trist224 🇫🇷 725 68 37ms 18 Oct 2022 781st mousetail 🇳🇱 725 68 37ms 11 Aug 2023 781st Command-Master 725 68 39ms 24 Sep 2023 781st JunkIce 725 68 20ms 24 Nov 2024 787th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 788th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 789th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 790th edsrzf 🇳🇿 723 86 9ms 45 hours ago 791st Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 792nd GolfingSuccess 🇬🇷 718 33 50ms 22 Jul 2022 793rd Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 794th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 795th Alex-x90 🇺🇸 718 99 448ms 23 Jun 2022 796th igmcdowell 717 65 11ms 23 Nov 2021 797th msbranicky 717 67 496ms 17 Jan 2024 798th MeWhenI 🇻🇦 717 75 9ms 9 Oct 2023 799th prplz 🇦🇺 717 91 118ms 25 Jan 2021 800th marshallward 🇺🇸 716 100 41ms 7 May 2025 First Prev 721–800 of 1,915 Next Last