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 Dragon Curve 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 Dragon Curve 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 SirBogman 🇺🇸 765 31 52ms 7 Oct 2022 722nd Shanethegamer 🇺🇸 765 60 386ms 2 Jul 2021 722nd alemelis 765 60 1,968ms 14 Aug 2024 722nd antimon2 🇯🇵 765 60 517ms 6 days ago 725th edsrzf 🇳🇿 765 96 10ms 6 days ago 726th albanian-laundromat 🇺🇸 764 60 1,039ms 1 Oct 2025 727th Waffle3z 764 61 14ms 20 Jan 2021 727th didion0 🇺🇸 764 61 9ms 9 Feb 2021 727th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 727th tayloia 🇬🇧 764 61 10ms 29 May 2022 731st duckyluuk 🇳🇱 763 73 9ms 16 Dec 2024 731st albanian-laundromat 🇺🇸 763 73 9ms 3 hours ago 733rd edsrzf 🇳🇿 761 82 8ms 20 Mar 2026 734th c0d3-4-F00d 🇩🇪 760 70 2ms 18 Mar 2022 734th Alex-x90 🇺🇸 760 70 2ms 6 Mar 2023 734th dokutan 760 70 2ms 18 Jul 2025 737th GolfingSuccess 🇬🇷 760 71 6ms 16 Oct 2023 737th Yewzir 🇧🇪 760 71 3ms 19 Nov 2025 739th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 739th strout 760 86 124ms 15 Dec 2023 741st TobyBoyne 🇬🇧 758 65 11ms 21 Jan 2021 741st 77Tigers 758 65 33ms 1 Mar 2021 741st knutae 🇳🇴 758 65 12ms 29 Jun 2021 741st ehulinsky 🇺🇸 758 65 13ms 10 Nov 2021 741st guilhem-roy 🇫🇷 758 65 12ms 28 Feb 2022 741st martinnorling 🇸🇪 758 65 11ms 8 Mar 2022 741st IshanPanpaliya 758 65 11ms 3 May 2023 741st nooberitess 758 65 12ms 8 Apr 2025 741st madeforlosers 758 65 13ms 17 days ago 750th ovs-code 🇩🇪 757 87 110ms 8 Mar 2024 751st RockOfStone 755 81 2ms 4 Nov 2021 751st dokutan 755 81 2ms 18 Jul 2025 753rd Lydxn 🇨🇦 755 223 13ms 24 Jun 2021 754th edsrzf 🇳🇿 754 91 7ms 20 Mar 2026 755th CaedenHarper 🇨🇦 752 61 1,192ms 11 Feb 2026 756th ScottHamper 752 62 10ms 1 Jun 2021 756th helbling 🇨🇭 752 62 16ms 2 Oct 2024 758th Mabeloid 🇳🇴 752 64 398ms 17 Sep 2024 759th cipharius 751 87 169ms 19 Jan 2021 760th Yewzir 🇧🇪 749 71 2ms 14 Oct 2023 761st emgordon154 749 115 27ms 27 days ago 762nd m-ender 🇩🇪 748 89 174ms 23 Apr 2021 763rd sean-niemann 🇺🇸 747 57 132ms 17 Jun 2025 764th ArmaanAS 747 66 12ms 4 Apr 2021 764th quimey 747 66 11ms 23 Jun 2023 764th firegene 🇮🇪 747 66 25ms 24 Feb 2026 767th kg583 🇺🇸 746 85 40ms 13 Feb 2025 767th edsrzf 🇳🇿 746 85 37ms 7 days ago 769th primo-ppcg 🇹🇭 745 40 161ms 22 Apr 2022 770th Shanethegamer 🇺🇸 744 63 4ms 13 Aug 2024 770th emgordon154 744 63 4ms 25 Aug 2024 772nd ScottHamper 743 90 482ms 30 Nov 2025 773rd SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 774th emgordon154 741 32 47ms 19 Oct 2025 775th jared-hughes 741 57 42ms 9 Sep 2022 776th AlephSquirrel 741 99 10ms 18 Jan 2025 777th Yewzir 🇧🇪 740 62 1,243ms 16 Nov 2025 778th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 778th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 780th janbehrens 🇩🇪 740 93 460ms 24 Mar 2022 781st DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 782nd MeWhenI 🇻🇦 738 93 4ms 22 May 2023 783rd primo-ppcg 🇹🇭 737 117 25ms 14 Jul 2021 784th MeWhenI 🇻🇦 737 154 1,736ms 9 days ago 785th msbranicky 736 67 15ms 21 Aug 2023 785th Matter1024 🇮🇳 736 67 13ms 27 days ago 787th Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 788th CaedenHarper 🇨🇦 735 117 328ms 11 Feb 2026 789th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 789th annaproxy 734 89 148ms 17 Aug 2022 789th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 789th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 793rd Shanethegamer 🇺🇸 733 88 117ms 15 Oct 2022 794th dokutan 730 118 25ms 18 Jul 2025 795th dvik72 729 64 10ms 1 Jun 2022 795th AlephSquirrel 729 64 10ms 16 Feb 2023 797th ovs-code 🇩🇪 729 72 12ms 16 Jul 2023 798th janbehrens 🇩🇪 729 73 2ms 11 Jun 2021 799th elgan65536 🇺🇸 729 104 161ms 7 Feb 2026 800th annaproxy 728 58 40ms 24 Oct 2023 First Prev 721–800 of 2,087 Next Last