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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 Nim 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 Nim 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 195th sean-niemann 🇺🇸 913 67 1ms 7 Oct 2024 195th FlyingPenguin223 913 67 2ms 3 Nov 2024 203rd JayXon 🇺🇸 913 78 63ms 4 Mar 2024 204th sisyphus-ppcg 🇦🇺 912 41 4,884ms 23 Dec 2025 205th xsot 🇸🇬 912 44 2ms 14 Apr 2024 205th canissimia 🇦🇶 912 44 3ms 6 Dec 2025 207th canissimia 🇦🇶 911 53 3ms 7 Apr 2023 208th Lydxn 🇨🇦 907 41 4ms 22 May 2022 208th Steffan153 🇫🇮 907 41 4ms 15 Dec 2022 208th GrayJoKing 🇦🇺 907 41 4ms 14 Aug 2023 208th sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 212th DialFrost 🇸🇬 907 53 449ms 15 Jan 2024 212th lifthrasiir 🇰🇷 907 53 528ms 2 Dec 2024 212th emgordon154 907 53 415ms 23 Apr 2025 215th Lydxn 🇨🇦 907 55 149ms 1 May 2023 215th JayXon 🇺🇸 907 55 149ms 1 May 2023 217th JayXon 🇺🇸 906 47 130ms 17 Jun 2025 218th JayXon 🇺🇸 906 95 322ms 17 Jan 2021 218th Lydxn 🇨🇦 906 95 322ms 23 Mar 2023 218th nwellnhof 🇩🇪 906 95 318ms 29 May 2023 218th Yewzir 🇧🇪 906 95 337ms 25 Oct 2023 218th Betuaredead 906 95 308ms 12 Nov 2023 223rd canissimia 🇦🇶 905 114 3ms 25 Mar 2022 224th janbehrens 🇩🇪 904 66 396ms 21 Nov 2021 224th tomtheisen 🇺🇸 904 66 424ms 9 Dec 2022 224th Steffan153 🇫🇮 904 66 427ms 10 Feb 2023 224th stefangimmillaro 904 66 388ms 18 Sep 2023 224th sean-niemann 🇺🇸 904 66 416ms 21 Sep 2023 229th DialFrost 🇸🇬 904 74 545ms 7 Nov 2025 230th GrayJoKing 🇦🇺 903 33 147ms 9 May 2024 231st Steffan153 🇫🇮 902 52 31ms 6 days ago 231st DayDun 🇸🇪 902 52 6ms 6 days ago 233rd GrayJoKing 🇦🇺 902 73 3ms 10 Sep 2022 233rd Shanethegamer 🇺🇸 902 73 11ms 11 Sep 2022 233rd clockworknazo 902 73 11ms 19 Sep 2022 233rd JayXon 🇺🇸 902 73 3ms 28 Sep 2022 233rd Lydxn 🇨🇦 902 73 3ms 13 Oct 2023 233rd sean-niemann 🇺🇸 902 73 3ms 30 Oct 2025 233rd Steffan153 🇫🇮 902 73 11ms 24 days ago 233rd albanian-laundromat 🇺🇸 902 73 11ms 6 days ago 241st nwellnhof 🇩🇪 902 79 57ms 13 Jul 2022 242nd Steffan153 🇫🇮 900 60 2ms 26 Jan 2024 242nd sean-niemann 🇺🇸 900 60 3ms 31 Jan 2025 244th Shanethegamer 🇺🇸 900 68 1ms 24 Jan 2021 245th stefangimmillaro 899 47 48ms 23 Mar 2023 245th Natanaelel 🇸🇪 899 47 41ms 11 Apr 2023 245th m-tkach 🇺🇦 899 47 39ms 16 Jun 2023 248th HPWiz 🇳🇿 899 51 240ms 10 Feb 2021 248th JayXon 🇺🇸 899 51 211ms 20 Jun 2021 248th Lydxn 🇨🇦 899 51 209ms 28 Jul 2023 248th pardouin 🇫🇷 899 51 1,452ms 13 Apr 2025 248th sean-niemann 🇺🇸 899 51 791ms 30 Aug 2025 248th Steffan153 🇫🇮 899 51 798ms 14 Feb 2026 254th GrayJoKing 🇦🇺 897 52 10ms 20 Jan 2021 254th janbehrens 🇩🇪 897 52 10ms 1 Aug 2021 254th inventshah 897 52 10ms 18 Jun 2022 254th dmrichwa 🇺🇸 897 52 10ms 28 Jul 2023 258th rak1507 🇬🇧 896 55 12ms 20 Jan 2021 258th GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 258th jacklynnepenick 896 55 14ms 19 Aug 2021 258th nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 258th jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 258th 2011-Chan-Ethan 896 55 12ms 20 Jul 2023 258th SB-945 896 55 11ms 20 Feb 2024 258th davecame 896 55 14ms 21 Aug 2024 258th albanian-laundromat 🇺🇸 896 55 11ms 29 Mar 2025 258th 4atj 896 55 29ms 8 Apr 2025 258th plcc0 896 55 12ms 13 Jan 2026 269th emplv 🇱🇻 896 72 108ms 28 Jul 2023 269th Lydxn 🇨🇦 896 72 113ms 28 Jul 2023 271st Steffan153 🇫🇮 896 96 320ms 10 Feb 2023 271st sean-niemann 🇺🇸 896 96 347ms 21 Sep 2023 273rd GrayJoKing 🇦🇺 895 67 64ms 23 Mar 2023 273rd IanUtley 895 67 66ms 9 May 2024 275th CLOStrophobic 🇮🇹 895 82 60ms 24 Feb 2025 275th zacjl 895 82 9ms 24 Feb 2025 277th inventshah 894 64 2,314ms 27 Oct 2024 277th stefangimmillaro 894 64 2,432ms 13 Nov 2024 277th JayXon 🇺🇸 894 64 2,384ms 13 Nov 2024 277th pardouin 🇫🇷 894 64 2,646ms 16 Feb 2026 281st sean-niemann 🇺🇸 894 77 469ms 26 Sep 2023 281st Lydxn 🇨🇦 894 77 469ms 26 Sep 2023 281st JayXon 🇺🇸 894 77 457ms 26 Sep 2023 281st Steffan153 🇫🇮 894 77 464ms 24 days ago 285th Lydxn 🇨🇦 893 75 135ms 12 Jul 2021 286th Lydxn 🇨🇦 892 45 2ms 30 Oct 2022 286th sean-niemann 🇺🇸 892 45 2ms 31 Oct 2022 286th primo-ppcg 🇹🇭 892 45 2ms 7 Nov 2022 286th Steffan153 🇫🇮 892 45 2ms 11 Apr 2023 286th DialFrost 🇸🇬 892 45 2ms 21 Dec 2024 291st zacjl 892 70 8ms 11 Mar 2026 292nd GrayJoKing 🇦🇺 892 74 17ms 12 Feb 2023 293rd JayXon 🇺🇸 892 77 102ms 19 Feb 2021 294th Steffan153 🇫🇮 891 42 109ms 6 days ago 295th Yewzir 🇧🇪 891 54 380ms 15 Jan 2024 295th Shanethegamer 🇺🇸 891 54 471ms 16 Jan 2024 295th GrayJoKing 🇦🇺 891 54 409ms 23 Jul 2024 295th duckyluuk 🇳🇱 891 54 505ms 28 Aug 2024 295th KatieLG 🇬🇧 891 54 400ms 28 Oct 2024 295th GolfingSuccess 🇬🇷 891 54 414ms 25 Jan 2025 First Prev 201–300 of 2,090 Next Last