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 albanian-laundromat 🇺🇸 763 60 1,006ms 1 Oct 2025 722nd kcinnu 🇱🇹 762 146 1,731ms 17 May 2024 723rd SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 723rd strout 760 86 124ms 15 Dec 2023 725th c0d3-4-F00d 🇩🇪 759 70 2ms 18 Mar 2022 725th Alex-x90 🇺🇸 759 70 2ms 6 Mar 2023 725th dokutan 759 70 2ms 18 Jul 2025 728th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 728th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 730th duckyluuk 🇳🇱 759 73 7ms 16 Dec 2024 731st edsrzf 🇳🇿 759 82 9ms 23 days ago 732nd TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 732nd 77Tigers 758 65 33ms 1 Mar 2021 732nd knutae 🇳🇴 758 65 12ms 29 Jun 2021 732nd ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 732nd guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 732nd martinnorling 🇸🇪 758 65 11ms 8 Mar 2022 732nd IshanPanpaliya 758 65 11ms 3 May 2023 732nd nooberitess 758 65 12ms 8 Apr 2025 732nd madeforlosers 758 65 13ms 4 days ago 741st edsrzf 🇳🇿 756 97 37ms 15 days ago 742nd Shanethegamer 🇺🇸 755 63 4ms 13 Aug 2024 742nd emgordon154 755 63 4ms 25 Aug 2024 744th ovs-code 🇩🇪 755 87 110ms 8 Mar 2024 745th RockOfStone 754 81 2ms 4 Nov 2021 745th dokutan 754 81 2ms 18 Jul 2025 747th lynn 754 85 1,297ms 12 Sep 2021 748th ScottHamper 752 62 12ms 1 Jun 2021 748th helbling 🇨🇭 752 62 12ms 2 Oct 2024 750th edsrzf 🇳🇿 752 91 7ms 23 days ago 751st Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 752nd Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 753rd cipharius 751 87 169ms 19 Jan 2021 754th CaedenHarper 🇨🇦 750 61 1,009ms 11 Feb 2026 755th Yewzir 🇧🇪 749 71 2ms 14 Oct 2023 756th m-ender 🇩🇪 748 89 161ms 23 Apr 2021 757th emgordon154 748 115 27ms 14 days ago 758th ArmaanAS 747 66 12ms 4 Apr 2021 758th quimey 747 66 11ms 23 Jun 2023 758th firegene 🇮🇪 747 66 27ms 24 Feb 2026 761st sean-niemann 🇺🇸 746 57 150ms 17 Jun 2025 762nd primo-ppcg 🇹🇭 744 40 161ms 22 Apr 2022 763rd kg583 🇺🇸 743 85 40ms 13 Feb 2025 764th ScottHamper 743 90 502ms 30 Nov 2025 765th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 766th emgordon154 741 32 43ms 19 Oct 2025 767th jared-hughes 741 57 37ms 9 Sep 2022 768th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 768th GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 770th AlephSquirrel 740 99 10ms 18 Jan 2025 771st DialFrost 🇸🇬 739 49 276ms 25 Jun 2024 772nd janbehrens 🇩🇪 739 93 460ms 24 Mar 2022 773rd Yewzir 🇧🇪 738 62 1,121ms 16 Nov 2025 774th MeWhenI 🇻🇦 737 151 1,682ms 7 Nov 2025 775th msbranicky 736 67 15ms 21 Aug 2023 775th Matter1024 🇮🇳 736 67 13ms 14 days ago 777th MeWhenI 🇻🇦 736 93 4ms 22 May 2023 778th Omega65536 🇩🇪 736 103 145ms 24 Nov 2022 779th primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 779th CaedenHarper 🇨🇦 735 117 328ms 11 Feb 2026 781st guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 781st annaproxy 734 89 148ms 17 Aug 2022 781st Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 781st snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 785th Steffan153 🇫🇮 732 51 82ms 18 Dec 2022 786th Shanethegamer 🇺🇸 731 88 108ms 15 Oct 2022 787th dvik72 729 64 11ms 1 Jun 2022 787th AlephSquirrel 729 64 11ms 16 Feb 2023 789th elgan65536 🇺🇸 729 104 162ms 7 Feb 2026 790th dokutan 729 118 25ms 18 Jul 2025 791st annaproxy 728 58 40ms 24 Oct 2023 792nd janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 793rd KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 794th ovs-code 🇩🇪 727 72 12ms 16 Jul 2023 795th arctouch-cristiannevianna 727 82 389ms 22 Nov 2023 796th jacobly0 🇺🇸 727 153 1,809ms 22 Apr 2024 797th yzhs 🇩🇪 726 90 117ms 24 Jul 2021 798th Stockoh 🇫🇷 725 68 36ms 25 Dec 2021 798th Bonjour27891 🇻🇳 725 68 39ms 1 Sep 2022 798th trist224 🇫🇷 725 68 49ms 18 Oct 2022 First Prev 721–800 of 2,000 Next Last