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 161st TFeld00 🇩🇰 913 54 20ms 18 Jan 2021 161st hallvabo 🇳🇴 913 54 14ms 19 Jan 2021 161st KatieLG 🇬🇧 913 54 10ms 6 May 2021 161st orthoplex 🇨🇽 913 54 13ms 28 Jul 2021 161st RYNO8 913 54 11ms 4 Sep 2021 161st Fishron 913 54 15ms 22 Dec 2021 161st anter69 🇭🇺 913 54 13ms 22 Jan 2022 161st annaproxy 913 54 12ms 2 Feb 2022 161st GrayJoKing 🇦🇺 913 54 12ms 7 Jul 2022 161st btjones0 913 54 12ms 15 Jul 2022 161st Shanethegamer 🇺🇸 913 54 13ms 18 Jan 2023 161st jmerle 🇳🇱 913 54 30ms 3 Jul 2023 161st ndren 913 54 12ms 4 Aug 2023 161st FlorianCassayre 🇫🇷 913 54 22ms 18 Sep 2023 161st Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 161st HPWiz 🇳🇿 913 54 12ms 2 Jan 2024 161st SirBogman 🇺🇸 913 54 14ms 10 Jun 2024 161st duckyluuk 🇳🇱 913 54 26ms 15 Aug 2024 161st jatloe 913 54 11ms 6 Sep 2024 161st 5quiwyrm 913 54 14ms 14 Nov 2024 161st lifthrasiir 🇰🇷 913 54 12ms 16 Nov 2024 161st zacjl 913 54 24ms 6 Apr 2025 161st emgordon154 913 54 12ms 23 Apr 2025 161st Mukundan314 913 54 31ms 4 Jul 2025 161st fkantelberg 913 54 39ms 12 Jul 2025 161st CaedenHarper 🇨🇦 913 54 29ms 1 Aug 2025 161st qpwoeirut 913 54 13ms 1 Oct 2025 161st Babafaba 913 54 15ms 19 Nov 2025 161st CornerMercury 🇬🇧 913 54 31ms 24 Nov 2025 161st snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 191st sisyphus-ppcg 🇦🇺 913 67 2ms 25 Jan 2021 191st Waffle3z 913 67 1ms 26 Jan 2021 191st JayXon 🇺🇸 913 67 1ms 19 Feb 2021 191st Lydxn 🇨🇦 913 67 1ms 31 Jan 2022 191st jared-hughes 913 67 1ms 14 Mar 2022 191st Steffan153 🇫🇮 913 67 2ms 25 Feb 2023 191st sean-niemann 🇺🇸 913 67 1ms 7 Oct 2024 191st FlyingPenguin223 913 67 2ms 3 Nov 2024 199th JayXon 🇺🇸 913 78 54ms 4 Mar 2024 200th clockworknazo 912 26 45ms 16 Sep 2022 200th saito-ta 🇯🇵 912 26 46ms 21 Sep 2022 200th ovs-code 🇩🇪 912 26 50ms 3 Oct 2023 203rd sisyphus-ppcg 🇦🇺 912 41 4,878ms 23 Dec 2025 204th xsot 🇸🇬 912 44 2ms 14 Apr 2024 204th canissimia 🇦🇶 912 44 3ms 6 Dec 2025 206th canissimia 🇦🇶 910 53 3ms 7 Apr 2023 207th Lydxn 🇨🇦 907 41 4ms 22 May 2022 207th Steffan153 🇫🇮 907 41 4ms 15 Dec 2022 207th GrayJoKing 🇦🇺 907 41 4ms 14 Aug 2023 207th sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 211th DialFrost 🇸🇬 907 53 449ms 15 Jan 2024 211th lifthrasiir 🇰🇷 907 53 528ms 2 Dec 2024 211th emgordon154 907 53 415ms 23 Apr 2025 214th Lydxn 🇨🇦 907 55 149ms 1 May 2023 214th JayXon 🇺🇸 907 55 149ms 1 May 2023 216th JayXon 🇺🇸 906 95 322ms 17 Jan 2021 216th Lydxn 🇨🇦 906 95 322ms 23 Mar 2023 216th nwellnhof 🇩🇪 906 95 318ms 29 May 2023 216th Yewzir 🇧🇪 906 95 337ms 25 Oct 2023 216th Betuaredead 906 95 308ms 12 Nov 2023 221st canissimia 🇦🇶 905 114 3ms 25 Mar 2022 222nd JayXon 🇺🇸 904 47 133ms 17 Jun 2025 223rd janbehrens 🇩🇪 904 66 390ms 21 Nov 2021 223rd tomtheisen 🇺🇸 904 66 398ms 9 Dec 2022 223rd Steffan153 🇫🇮 904 66 382ms 10 Feb 2023 223rd stefangimmillaro 904 66 372ms 18 Sep 2023 223rd sean-niemann 🇺🇸 904 66 387ms 21 Sep 2023 228th DialFrost 🇸🇬 904 74 436ms 7 Nov 2025 229th GrayJoKing 🇦🇺 902 33 143ms 9 May 2024 230th nwellnhof 🇩🇪 902 79 57ms 13 Jul 2022 231st GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 231st Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 231st clockworknazo 901 73 11ms 19 Sep 2022 231st JayXon 🇺🇸 901 73 3ms 28 Sep 2022 231st Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 231st sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 231st Steffan153 🇫🇮 901 73 12ms 10 days ago 238th Shanethegamer 🇺🇸 900 68 1ms 24 Jan 2021 239th stefangimmillaro 899 47 42ms 23 Mar 2023 239th Natanaelel 🇸🇪 899 47 36ms 11 Apr 2023 First Prev 161–240 of 2,032 Next Last