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 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 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 155th kumavale 914 83 122ms 4 Oct 2025 162nd TFeld00 🇩🇰 913 54 20ms 18 Jan 2021 162nd hallvabo 🇳🇴 913 54 14ms 19 Jan 2021 162nd KatieLG 🇬🇧 913 54 10ms 6 May 2021 162nd orthoplex 🇨🇽 913 54 13ms 28 Jul 2021 162nd RYNO8 913 54 11ms 4 Sep 2021 162nd Fishron 913 54 15ms 22 Dec 2021 162nd anter69 🇭🇺 913 54 13ms 22 Jan 2022 162nd annaproxy 913 54 12ms 2 Feb 2022 162nd GrayJoKing 🇦🇺 913 54 12ms 7 Jul 2022 162nd btjones0 913 54 12ms 15 Jul 2022 162nd Shanethegamer 🇺🇸 913 54 13ms 18 Jan 2023 162nd jmerle 🇳🇱 913 54 30ms 3 Jul 2023 162nd ndren 913 54 12ms 4 Aug 2023 162nd FlorianCassayre 🇫🇷 913 54 22ms 18 Sep 2023 162nd Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 162nd HPWiz 🇳🇿 913 54 12ms 2 Jan 2024 162nd SirBogman 🇺🇸 913 54 14ms 10 Jun 2024 162nd duckyluuk 🇳🇱 913 54 26ms 15 Aug 2024 162nd jatloe 913 54 11ms 6 Sep 2024 162nd 5quiwyrm 913 54 14ms 14 Nov 2024 162nd lifthrasiir 🇰🇷 913 54 12ms 16 Nov 2024 162nd zacjl 913 54 24ms 6 Apr 2025 162nd emgordon154 913 54 12ms 23 Apr 2025 162nd Mukundan314 913 54 31ms 4 Jul 2025 162nd fkantelberg 913 54 39ms 12 Jul 2025 162nd CaedenHarper 🇨🇦 913 54 29ms 1 Aug 2025 162nd qpwoeirut 913 54 13ms 1 Oct 2025 162nd Babafaba 913 54 15ms 19 Nov 2025 162nd CornerMercury 🇬🇧 913 54 31ms 24 Nov 2025 162nd snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 192nd sisyphus-ppcg 🇦🇺 913 67 2ms 25 Jan 2021 192nd Waffle3z 913 67 1ms 26 Jan 2021 192nd JayXon 🇺🇸 913 67 1ms 19 Feb 2021 192nd Lydxn 🇨🇦 913 67 1ms 31 Jan 2022 192nd jared-hughes 913 67 1ms 14 Mar 2022 192nd Steffan153 🇫🇮 913 67 2ms 25 Feb 2023 192nd sean-niemann 🇺🇸 913 67 1ms 7 Oct 2024 192nd FlyingPenguin223 913 67 2ms 3 Nov 2024 200th JayXon 🇺🇸 913 78 63ms 4 Mar 2024 201st clockworknazo 912 26 48ms 16 Sep 2022 201st saito-ta 🇯🇵 912 26 53ms 21 Sep 2022 201st ovs-code 🇩🇪 912 26 50ms 3 Oct 2023 204th sisyphus-ppcg 🇦🇺 912 41 4,878ms 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 143ms 9 May 2024 231st Steffan153 🇫🇮 902 52 31ms 4 days ago 231st DayDun 🇸🇪 902 52 6ms 4 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 22 days ago 233rd albanian-laundromat 🇺🇸 902 73 11ms 4 days ago First Prev 161–240 of 2,087 Next Last