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 321st sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 321st Lydxn 🇨🇦 882 45 6ms 17 Jan 2021 321st emplv 🇱🇻 882 45 5ms 17 Jan 2021 321st GrayJoKing 🇦🇺 882 45 5ms 21 Sep 2021 321st DaCuteRaccoon 882 45 5ms 9 Dec 2022 321st DialFrost 🇸🇬 882 45 6ms 1 Feb 2023 321st janbehrens 🇩🇪 882 45 5ms 16 May 2023 328th JayXon 🇺🇸 882 73 111ms 15 Oct 2022 328th Steffan153 🇫🇮 882 73 115ms 7 Dec 2022 328th sean-niemann 🇺🇸 882 73 112ms 20 May 2024 331st GrayJoKing 🇦🇺 882 74 96ms 6 Jun 2023 331st Steffan153 🇫🇮 882 74 112ms 18 Aug 2024 333rd lynn 881 25 34ms 11 Apr 2021 333rd GrayJoKing 🇦🇺 881 25 33ms 15 Feb 2022 333rd jared-hughes 881 25 33ms 21 Apr 2022 333rd rak1507 🇬🇧 881 25 33ms 28 Jan 2023 333rd bstrat 881 25 34ms 15 Jul 2024 338th DialFrost 🇸🇬 881 52 193ms 7 Jan 2024 338th Steffan153 🇫🇮 881 52 204ms 26 Feb 2024 338th sean-niemann 🇺🇸 881 52 195ms 27 Jun 2025 341st Steffan153 🇫🇮 881 54 6ms 18 Aug 2024 342nd SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 343rd tomtheisen 🇺🇸 880 53 11ms 18 Jan 2021 343rd prplz 🇦🇺 880 53 10ms 24 Jan 2021 343rd jakzo 880 53 11ms 5 Sep 2021 343rd ovs-code 🇩🇪 880 53 15ms 5 Oct 2023 343rd dokutan 880 53 10ms 18 Jul 2025 348th schachmattmatt 880 56 12ms 18 Aug 2021 348th MeWhenI 🇻🇦 880 56 32ms 22 Oct 2021 348th Irratix 🇳🇱 880 56 12ms 19 Apr 2022 348th tri1212 🇻🇳 880 56 11ms 18 Jul 2022 348th fredrik-bakke 🇳🇴 880 56 12ms 29 Sep 2022 348th neel11235813 880 56 31ms 21 Dec 2022 348th sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 348th elgan65536 🇺🇸 880 56 13ms 31 Mar 2024 348th HETHAT 🇩🇿 880 56 12ms 12 Apr 2024 348th wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 348th Seek64 🇩🇪 880 56 25ms 9 Mar 2026 359th GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 359th primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 361st Steffan153 🇫🇮 880 94 49ms 18 Jan 2023 362nd GrayJoKing 🇦🇺 879 63 7ms 31 Jan 2025 363rd namelessiw 879 76 368ms 2 Oct 2025 363rd Yewzir 🇧🇪 879 76 377ms 2 Oct 2025 365th Steffan153 🇫🇮 879 81 61ms 23 Mar 2023 365th sean-niemann 🇺🇸 879 81 51ms 23 Sep 2023 367th m-tkach 🇺🇦 879 107 17ms 17 May 2022 368th GrayJoKing 🇦🇺 878 27 54ms 2 Aug 2022 369th zacjl 878 72 40ms 13 Feb 2025 370th primo-ppcg 🇹🇭 878 78 4ms 2 May 2023 371st saito-ta 🇯🇵 877 55 3ms 26 May 2022 371st nwellnhof 🇩🇪 877 55 3ms 13 May 2023 373rd Irratix 🇳🇱 877 68 393ms 13 Dec 2021 373rd namelessiw 877 68 394ms 18 Jul 2025 375th emplv 🇱🇻 877 98 343ms 18 Jan 2022 375th stefangimmillaro 877 98 304ms 21 Jun 2023 377th MeWhenI 🇻🇦 876 76 12ms 18 Jan 2026 378th JayXon 🇺🇸 876 127 1,725ms 22 Apr 2024 379th stefangimmillaro 875 82 39ms 26 Apr 2025 380th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 380th neel11235813 874 55 463ms 29 Mar 2024 382nd primo-ppcg 🇹🇭 874 57 151ms 1 May 2023 383rd jared-hughes 874 126 15ms 7 Jul 2024 384th btjones0 871 87 116ms 26 Jan 2021 384th lynn 871 87 121ms 7 Jul 2024 386th DialFrost 🇸🇬 870 79 463ms 7 Nov 2025 387th ovs-code 🇩🇪 869 43 92ms 21 Dec 2022 388th stefangimmillaro 868 79 104ms 21 Jun 2023 389th Irratix 🇳🇱 868 82 54ms 18 Dec 2022 390th Shanethegamer 🇺🇸 865 53 1,258ms 23 May 2021 390th MeWhenI 🇻🇦 865 53 1,291ms 16 Mar 2022 392nd primo-ppcg 🇹🇭 865 57 11ms 18 Jan 2021 392nd prplz 🇦🇺 865 57 14ms 21 Jan 2021 392nd OllieBoyne 🇬🇧 865 57 12ms 22 Jan 2021 392nd hiddicop 🇸🇪 865 57 12ms 29 Jan 2021 392nd lynn 865 57 15ms 6 Mar 2021 392nd vezzick 865 57 11ms 8 Mar 2021 392nd kops-cg 865 57 11ms 8 Apr 2021 392nd clementblaudeau 865 57 11ms 1 Jun 2021 392nd jared-hughes 865 57 12ms 14 Aug 2021 First Prev 321–400 of 1,997 Next Last