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 GrayJoKing 🇦🇺 886 74 96ms 6 Jun 2023 321st Steffan153 🇫🇮 886 74 112ms 18 Aug 2024 323rd sisyphus-ppcg 🇦🇺 883 45 6ms 17 Jan 2021 323rd Lydxn 🇨🇦 883 45 5ms 17 Jan 2021 323rd emplv 🇱🇻 883 45 6ms 17 Jan 2021 323rd GrayJoKing 🇦🇺 883 45 7ms 21 Sep 2021 323rd DaCuteRaccoon 883 45 6ms 9 Dec 2022 323rd DialFrost 🇸🇬 883 45 5ms 1 Feb 2023 323rd janbehrens 🇩🇪 883 45 6ms 16 May 2023 330th JayXon 🇺🇸 883 73 111ms 15 Oct 2022 330th Steffan153 🇫🇮 883 73 115ms 7 Dec 2022 330th sean-niemann 🇺🇸 883 73 112ms 20 May 2024 333rd DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 334th razetime 882 17 2ms 12 Jan 2022 335th DialFrost 🇸🇬 882 52 216ms 7 Jan 2024 335th Steffan153 🇫🇮 882 52 217ms 26 Feb 2024 335th sean-niemann 🇺🇸 882 52 204ms 27 Jun 2025 338th lynn 881 25 34ms 11 Apr 2021 338th GrayJoKing 🇦🇺 881 25 33ms 15 Feb 2022 338th jared-hughes 881 25 33ms 21 Apr 2022 338th rak1507 🇬🇧 881 25 33ms 28 Jan 2023 338th bstrat 881 25 34ms 15 Jul 2024 343rd Steffan153 🇫🇮 881 54 6ms 18 Aug 2024 344th SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 345th tomtheisen 🇺🇸 880 53 11ms 18 Jan 2021 345th prplz 🇦🇺 880 53 10ms 24 Jan 2021 345th jakzo 880 53 11ms 5 Sep 2021 345th ovs-code 🇩🇪 880 53 15ms 5 Oct 2023 345th dokutan 880 53 10ms 18 Jul 2025 350th schachmattmatt 880 56 12ms 18 Aug 2021 350th MeWhenI 🇻🇦 880 56 32ms 22 Oct 2021 350th Irratix 🇳🇱 880 56 12ms 19 Apr 2022 350th tri1212 🇻🇳 880 56 11ms 18 Jul 2022 350th fredrik-bakke 🇳🇴 880 56 12ms 29 Sep 2022 350th neel11235813 880 56 31ms 21 Dec 2022 350th sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 350th elgan65536 🇺🇸 880 56 13ms 31 Mar 2024 350th HETHAT 🇩🇿 880 56 12ms 12 Apr 2024 350th wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 350th Seek64 🇩🇪 880 56 25ms 9 Mar 2026 361st zacjl 880 72 40ms 13 Feb 2025 362nd GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 362nd primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 364th namelessiw 880 76 368ms 2 Oct 2025 364th Yewzir 🇧🇪 880 76 377ms 2 Oct 2025 366th primo-ppcg 🇹🇭 880 78 4ms 2 May 2023 367th Steffan153 🇫🇮 880 81 61ms 23 Mar 2023 367th sean-niemann 🇺🇸 880 81 51ms 23 Sep 2023 369th Steffan153 🇫🇮 880 94 49ms 18 Jan 2023 370th GrayJoKing 🇦🇺 879 63 7ms 31 Jan 2025 371st m-tkach 🇺🇦 879 107 17ms 17 May 2022 372nd GrayJoKing 🇦🇺 878 27 54ms 2 Aug 2022 373rd Irratix 🇳🇱 878 68 393ms 13 Dec 2021 373rd namelessiw 878 68 394ms 18 Jul 2025 375th emplv 🇱🇻 878 98 343ms 18 Jan 2022 375th stefangimmillaro 878 98 304ms 21 Jun 2023 377th saito-ta 🇯🇵 877 55 3ms 26 May 2022 377th nwellnhof 🇩🇪 877 55 3ms 13 May 2023 379th stefangimmillaro 877 82 39ms 26 Apr 2025 380th MeWhenI 🇻🇦 876 76 12ms 18 Jan 2026 381st JayXon 🇺🇸 876 127 1,725ms 22 Apr 2024 382nd primo-ppcg 🇹🇭 875 57 151ms 1 May 2023 383rd m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 383rd neel11235813 874 55 463ms 29 Mar 2024 385th jared-hughes 874 126 15ms 7 Jul 2024 386th btjones0 872 87 116ms 26 Jan 2021 386th lynn 872 87 121ms 7 Jul 2024 388th DialFrost 🇸🇬 871 79 463ms 7 Nov 2025 389th ovs-code 🇩🇪 870 43 92ms 21 Dec 2022 390th stefangimmillaro 870 79 104ms 21 Jun 2023 391st Irratix 🇳🇱 869 82 54ms 18 Dec 2022 392nd janbehrens 🇩🇪 865 43 3ms 18 Jan 2021 393rd Shanethegamer 🇺🇸 865 53 1,258ms 23 May 2021 393rd MeWhenI 🇻🇦 865 53 1,291ms 16 Mar 2022 393rd edsrzf 🇳🇿 865 53 1,868ms 31 Aug 2025 393rd DialFrost 🇸🇬 865 53 1,059ms 1 Sep 2025 393rd xsot 🇸🇬 865 53 1,087ms 21 Dec 2025 398th primo-ppcg 🇹🇭 865 57 11ms 18 Jan 2021 398th prplz 🇦🇺 865 57 14ms 21 Jan 2021 398th OllieBoyne 🇬🇧 865 57 12ms 22 Jan 2021 First Prev 321–400 of 2,033 Next Last