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 321st nwellnhof 🇩🇪 886 60 2ms 13 Jul 2022 321st emplv 🇱🇻 886 60 2ms 28 Jul 2023 323rd GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 324th GrayJoKing 🇦🇺 886 74 96ms 6 Jun 2023 324th Steffan153 🇫🇮 886 74 112ms 18 Aug 2024 326th ovs-code 🇩🇪 885 53 9ms 30 Oct 2024 327th sisyphus-ppcg 🇦🇺 883 45 6ms 17 Jan 2021 327th Lydxn 🇨🇦 883 45 5ms 17 Jan 2021 327th emplv 🇱🇻 883 45 5ms 17 Jan 2021 327th GrayJoKing 🇦🇺 883 45 6ms 21 Sep 2021 327th DaCuteRaccoon 883 45 6ms 9 Dec 2022 327th DialFrost 🇸🇬 883 45 5ms 1 Feb 2023 327th janbehrens 🇩🇪 883 45 6ms 16 May 2023 334th JayXon 🇺🇸 883 73 111ms 15 Oct 2022 334th Steffan153 🇫🇮 883 73 112ms 7 Dec 2022 334th sean-niemann 🇺🇸 883 73 110ms 20 May 2024 337th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 338th razetime 882 17 2ms 12 Jan 2022 339th DialFrost 🇸🇬 882 52 216ms 7 Jan 2024 339th Steffan153 🇫🇮 882 52 217ms 26 Feb 2024 339th sean-niemann 🇺🇸 882 52 204ms 27 Jun 2025 342nd GrayJoKing 🇦🇺 882 63 7ms 31 Jan 2025 343rd Steffan153 🇫🇮 882 94 49ms 18 Jan 2023 344th lynn 881 25 34ms 11 Apr 2021 344th GrayJoKing 🇦🇺 881 25 33ms 15 Feb 2022 344th jared-hughes 881 25 33ms 21 Apr 2022 344th rak1507 🇬🇧 881 25 33ms 28 Jan 2023 344th bstrat 881 25 34ms 15 Jul 2024 349th m-tkach 🇺🇦 881 107 17ms 17 May 2022 350th SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 351st tomtheisen 🇺🇸 880 53 10ms 18 Jan 2021 351st prplz 🇦🇺 880 53 10ms 24 Jan 2021 351st jakzo 880 53 10ms 5 Sep 2021 351st ovs-code 🇩🇪 880 53 10ms 5 Oct 2023 351st dokutan 880 53 15ms 18 Jul 2025 356th schachmattmatt 880 56 12ms 18 Aug 2021 356th MeWhenI 🇻🇦 880 56 32ms 22 Oct 2021 356th Irratix 🇳🇱 880 56 12ms 19 Apr 2022 356th tri1212 🇻🇳 880 56 11ms 18 Jul 2022 356th fredrik-bakke 🇳🇴 880 56 12ms 29 Sep 2022 356th neel11235813 880 56 31ms 21 Dec 2022 356th sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 356th elgan65536 🇺🇸 880 56 13ms 31 Mar 2024 356th HETHAT 🇩🇿 880 56 12ms 12 Apr 2024 356th wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 356th Seek64 🇩🇪 880 56 25ms 9 Mar 2026 367th zacjl 880 72 40ms 13 Feb 2025 368th GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 368th primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 370th namelessiw 880 76 368ms 2 Oct 2025 370th Yewzir 🇧🇪 880 76 377ms 2 Oct 2025 372nd primo-ppcg 🇹🇭 880 78 4ms 2 May 2023 373rd Steffan153 🇫🇮 880 81 59ms 23 Mar 2023 373rd sean-niemann 🇺🇸 880 81 61ms 23 Sep 2023 375th GrayJoKing 🇦🇺 878 27 57ms 2 Aug 2022 376th saito-ta 🇯🇵 878 55 3ms 26 May 2022 376th nwellnhof 🇩🇪 878 55 4ms 13 May 2023 378th Irratix 🇳🇱 878 68 404ms 13 Dec 2021 378th namelessiw 878 68 468ms 18 Jul 2025 380th Steffan153 🇫🇮 878 75 5ms 8 days ago 381st emplv 🇱🇻 878 98 343ms 18 Jan 2022 381st stefangimmillaro 878 98 304ms 21 Jun 2023 383rd stefangimmillaro 877 82 39ms 26 Apr 2025 384th MeWhenI 🇻🇦 876 76 14ms 18 Jan 2026 385th jared-hughes 876 126 15ms 7 Jul 2024 386th primo-ppcg 🇹🇭 875 57 151ms 1 May 2023 387th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 387th neel11235813 874 55 463ms 29 Mar 2024 389th btjones0 872 87 127ms 26 Jan 2021 389th lynn 872 87 118ms 7 Jul 2024 391st DialFrost 🇸🇬 871 79 463ms 7 Nov 2025 392nd ovs-code 🇩🇪 870 43 92ms 21 Dec 2022 392nd snoozingnewt 🇨🇦 870 43 103ms 3 days ago 394th stefangimmillaro 870 79 99ms 21 Jun 2023 395th Irratix 🇳🇱 869 82 64ms 18 Dec 2022 396th DialFrost 🇸🇬 866 76 3ms 14 Sep 2024 397th snoozingnewt 🇨🇦 866 96 107ms 2 days ago 397th edsrzf 🇳🇿 866 96 102ms 2 days ago 399th JayXon 🇺🇸 866 131 1,687ms 9 days ago 400th janbehrens 🇩🇪 865 43 3ms 18 Jan 2021 First Prev 321–400 of 2,085 Next Last