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 320th Lydxn 🇨🇦 882 45 6ms 17 Jan 2021 320th emplv 🇱🇻 882 45 5ms 17 Jan 2021 320th GrayJoKing 🇦🇺 882 45 5ms 21 Sep 2021 320th DaCuteRaccoon 882 45 5ms 9 Dec 2022 320th DialFrost 🇸🇬 882 45 6ms 1 Feb 2023 320th janbehrens 🇩🇪 882 45 5ms 16 May 2023 327th JayXon 🇺🇸 882 73 111ms 15 Oct 2022 327th Steffan153 🇫🇮 882 73 115ms 7 Dec 2022 327th sean-niemann 🇺🇸 882 73 112ms 20 May 2024 330th GrayJoKing 🇦🇺 882 74 96ms 6 Jun 2023 330th Steffan153 🇫🇮 882 74 112ms 18 Aug 2024 332nd lynn 881 25 34ms 11 Apr 2021 332nd GrayJoKing 🇦🇺 881 25 33ms 15 Feb 2022 332nd jared-hughes 881 25 33ms 21 Apr 2022 332nd rak1507 🇬🇧 881 25 33ms 28 Jan 2023 332nd bstrat 881 25 34ms 15 Jul 2024 337th DialFrost 🇸🇬 881 52 193ms 7 Jan 2024 337th Steffan153 🇫🇮 881 52 204ms 26 Feb 2024 337th sean-niemann 🇺🇸 881 52 195ms 27 Jun 2025 340th Steffan153 🇫🇮 881 54 6ms 18 Aug 2024 341st SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 342nd tomtheisen 🇺🇸 880 53 11ms 18 Jan 2021 342nd prplz 🇦🇺 880 53 10ms 24 Jan 2021 342nd jakzo 880 53 11ms 5 Sep 2021 342nd ovs-code 🇩🇪 880 53 15ms 5 Oct 2023 342nd dokutan 880 53 10ms 18 Jul 2025 347th schachmattmatt 880 56 12ms 18 Aug 2021 347th MeWhenI 🇻🇦 880 56 32ms 22 Oct 2021 347th Irratix 🇳🇱 880 56 12ms 19 Apr 2022 347th tri1212 🇻🇳 880 56 11ms 18 Jul 2022 347th fredrik-bakke 🇳🇴 880 56 12ms 29 Sep 2022 347th neel11235813 880 56 31ms 21 Dec 2022 347th sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 347th elgan65536 🇺🇸 880 56 13ms 31 Mar 2024 347th HETHAT 🇩🇿 880 56 12ms 12 Apr 2024 347th wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 347th Seek64 🇩🇪 880 56 25ms 9 Mar 2026 358th GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 358th primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 360th Steffan153 🇫🇮 880 94 49ms 18 Jan 2023 361st GrayJoKing 🇦🇺 879 63 7ms 31 Jan 2025 362nd namelessiw 879 76 368ms 2 Oct 2025 362nd Yewzir 🇧🇪 879 76 377ms 2 Oct 2025 364th Steffan153 🇫🇮 879 81 61ms 23 Mar 2023 364th sean-niemann 🇺🇸 879 81 51ms 23 Sep 2023 366th m-tkach 🇺🇦 879 107 17ms 17 May 2022 367th GrayJoKing 🇦🇺 878 27 54ms 2 Aug 2022 368th zacjl 878 72 40ms 13 Feb 2025 369th primo-ppcg 🇹🇭 878 78 4ms 2 May 2023 370th saito-ta 🇯🇵 877 55 3ms 26 May 2022 370th nwellnhof 🇩🇪 877 55 3ms 13 May 2023 372nd Irratix 🇳🇱 877 68 393ms 13 Dec 2021 372nd namelessiw 877 68 394ms 18 Jul 2025 374th emplv 🇱🇻 877 98 343ms 18 Jan 2022 374th stefangimmillaro 877 98 304ms 21 Jun 2023 376th MeWhenI 🇻🇦 876 76 12ms 18 Jan 2026 377th JayXon 🇺🇸 876 127 1,725ms 22 Apr 2024 378th stefangimmillaro 875 82 39ms 26 Apr 2025 379th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 379th neel11235813 874 55 463ms 29 Mar 2024 381st primo-ppcg 🇹🇭 874 57 151ms 1 May 2023 382nd jared-hughes 874 126 15ms 7 Jul 2024 383rd btjones0 871 87 116ms 26 Jan 2021 383rd lynn 871 87 121ms 7 Jul 2024 385th DialFrost 🇸🇬 870 79 463ms 7 Nov 2025 386th ovs-code 🇩🇪 869 43 92ms 21 Dec 2022 387th stefangimmillaro 868 79 104ms 21 Jun 2023 388th Irratix 🇳🇱 868 82 54ms 18 Dec 2022 389th Shanethegamer 🇺🇸 865 53 1,258ms 23 May 2021 389th MeWhenI 🇻🇦 865 53 1,291ms 16 Mar 2022 391st primo-ppcg 🇹🇭 865 57 11ms 18 Jan 2021 391st prplz 🇦🇺 865 57 14ms 21 Jan 2021 391st OllieBoyne 🇬🇧 865 57 12ms 22 Jan 2021 391st hiddicop 🇸🇪 865 57 12ms 29 Jan 2021 391st lynn 865 57 15ms 6 Mar 2021 391st vezzick 865 57 11ms 8 Mar 2021 391st kops-cg 865 57 11ms 8 Apr 2021 391st clementblaudeau 865 57 11ms 1 Jun 2021 391st jared-hughes 865 57 12ms 14 Aug 2021 391st michelebastione 🇮🇹 865 57 14ms 16 Aug 2021 First Prev 321–400 of 1,995 Next Last