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) Taxicab Numbers 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 Huffman Encoder 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 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) Taxicab Numbers 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 Huffman Encoder 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 Turtle Tutorial # Golfer Points Chars Time Submitted 198th sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 202nd Lydxn 🇨🇦 905 55 149ms 1 May 2023 202nd JayXon 🇺🇸 905 55 149ms 1 May 2023 204th JayXon 🇺🇸 905 95 322ms 17 Jan 2021 204th Lydxn 🇨🇦 905 95 322ms 23 Mar 2023 204th nwellnhof 🇩🇪 905 95 318ms 29 May 2023 204th Yewzir 🇧🇪 905 95 337ms 25 Oct 2023 204th Betuaredead 905 95 308ms 12 Nov 2023 209th canissimia 🇦🇶 905 114 3ms 25 Mar 2022 210th JayXon 🇺🇸 904 47 130ms 17 Jun 2025 211th janbehrens 🇩🇪 904 66 396ms 21 Nov 2021 211th tomtheisen 🇺🇸 904 66 424ms 9 Dec 2022 211th Steffan153 🇫🇮 904 66 427ms 10 Feb 2023 211th stefangimmillaro 904 66 388ms 18 Sep 2023 211th sean-niemann 🇺🇸 904 66 416ms 21 Sep 2023 216th DialFrost 🇸🇬 903 74 484ms 7 Nov 2025 217th GrayJoKing 🇦🇺 902 33 147ms 9 May 2024 218th JayXon 🇺🇸 902 83 130ms 8 Nov 2022 218th Lydxn 🇨🇦 902 83 121ms 28 Jul 2023 218th emgordon154 902 83 127ms 18 Apr 2025 218th ovs-code 🇩🇪 902 83 130ms 20 Apr 2025 218th stefangimmillaro 902 83 124ms 18 May 2025 218th sean-niemann 🇺🇸 902 83 122ms 6 Jun 2025 218th vang1ong7ang 🇦🇶 902 83 133ms 2 days ago 225th GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 225th Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 225th clockworknazo 901 73 11ms 19 Sep 2022 225th JayXon 🇺🇸 901 73 3ms 28 Sep 2022 225th Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 225th sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 225th Steffan153 🇫🇮 901 73 11ms 2 Apr 2026 225th albanian-laundromat 🇺🇸 901 73 11ms 10 days ago 233rd nwellnhof 🇩🇪 901 79 57ms 13 Jul 2022 234th Steffan153 🇫🇮 900 52 31ms 10 days ago 234th DayDun 🇸🇪 900 52 6ms 10 days ago 236th stefangimmillaro 899 47 48ms 23 Mar 2023 236th Natanaelel 🇸🇪 899 47 41ms 11 Apr 2023 236th m-tkach 🇺🇦 899 47 39ms 16 Jun 2023 239th HPWiz 🇳🇿 899 51 240ms 10 Feb 2021 239th JayXon 🇺🇸 899 51 211ms 20 Jun 2021 239th Lydxn 🇨🇦 899 51 209ms 28 Jul 2023 239th pardouin 🇫🇷 899 51 1,331ms 13 Apr 2025 243rd Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 244th Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 244th sean-niemann 🇺🇸 898 60 2ms 31 Jan 2025 246th sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 246th Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 248th GrayJoKing 🇦🇺 897 52 11ms 20 Jan 2021 248th janbehrens 🇩🇪 897 52 11ms 1 Aug 2021 248th inventshah 897 52 10ms 18 Jun 2022 248th dmrichwa 🇺🇸 897 52 11ms 28 Jul 2023 252nd rak1507 🇬🇧 896 55 12ms 20 Jan 2021 252nd GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 252nd jacklynnepenick 896 55 14ms 19 Aug 2021 252nd nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 252nd jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 252nd 2011-Chan-Ethan 896 55 12ms 20 Jul 2023 252nd SB-945 896 55 11ms 20 Feb 2024 252nd davecame 896 55 14ms 21 Aug 2024 252nd albanian-laundromat 🇺🇸 896 55 11ms 29 Mar 2025 252nd 4atj 896 55 29ms 8 Apr 2025 252nd plcc0 896 55 12ms 13 Jan 2026 263rd Steffan153 🇫🇮 895 96 320ms 10 Feb 2023 263rd sean-niemann 🇺🇸 895 96 347ms 21 Sep 2023 265th emplv 🇱🇻 894 72 108ms 28 Jul 2023 265th Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 267th sean-niemann 🇺🇸 894 77 469ms 26 Sep 2023 267th Lydxn 🇨🇦 894 77 469ms 26 Sep 2023 267th JayXon 🇺🇸 894 77 457ms 26 Sep 2023 267th Steffan153 🇫🇮 894 77 464ms 2 Apr 2026 271st CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 271st zacjl 894 82 9ms 24 Feb 2025 273rd inventshah 893 64 2,314ms 27 Oct 2024 273rd stefangimmillaro 893 64 2,432ms 13 Nov 2024 273rd JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 273rd pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 277th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 277th IanUtley 893 67 66ms 9 May 2024 279th Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 280th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 281st Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 281st sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 281st primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 281st Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 281st DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 286th ovs-code 🇩🇪 890 52 406ms 15 Jan 2024 286th Lydxn 🇨🇦 890 52 502ms 16 Jan 2024 286th Steffan153 🇫🇮 890 52 496ms 16 Jan 2024 286th kg583 🇺🇸 890 52 477ms 20 Feb 2024 286th sean-niemann 🇺🇸 890 52 445ms 26 Jan 2025 291st prplz 🇦🇺 890 67 408ms 21 Nov 2021 291st DialFrost 🇸🇬 890 67 451ms 7 Nov 2025 293rd zacjl 890 70 8ms 11 Mar 2026 294th GrayJoKing 🇦🇺 890 74 17ms 12 Feb 2023 295th Steffan153 🇫🇮 889 42 109ms 10 days ago 296th Shanethegamer 🇺🇸 889 72 1,598ms 19 Jan 2025 297th inventshah 889 74 9ms 19 Sep 2022 298th Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 298th GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 300th GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 First Prev 201–300 of 2,012 Next Last