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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 148th FlorianCassayre 🇫🇷 913 54 19ms 18 Sep 2023 148th Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 148th HPWiz 🇳🇿 913 54 11ms 2 Jan 2024 148th SirBogman 🇺🇸 913 54 13ms 10 Jun 2024 148th duckyluuk 🇳🇱 913 54 24ms 15 Aug 2024 148th jatloe 913 54 12ms 6 Sep 2024 148th 5quiwyrm 913 54 11ms 14 Nov 2024 148th lifthrasiir 🇰🇷 913 54 11ms 16 Nov 2024 148th zacjl 913 54 24ms 6 Apr 2025 148th emgordon154 913 54 12ms 23 Apr 2025 148th Mukundan314 913 54 31ms 4 Jul 2025 148th fkantelberg 913 54 21ms 12 Jul 2025 148th CaedenHarper 🇨🇦 913 54 30ms 1 Aug 2025 148th qpwoeirut 913 54 13ms 1 Oct 2025 148th Babafaba 913 54 13ms 19 Nov 2025 148th CornerMercury 🇬🇧 913 54 30ms 24 Nov 2025 148th snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 178th JayXon 🇺🇸 912 78 55ms 4 Mar 2024 179th clockworknazo 910 26 44ms 16 Sep 2022 179th saito-ta 🇯🇵 910 26 50ms 21 Sep 2022 179th ovs-code 🇩🇪 910 26 56ms 3 Oct 2023 182nd sisyphus-ppcg 🇦🇺 910 67 2ms 25 Jan 2021 182nd Waffle3z 910 67 1ms 26 Jan 2021 182nd JayXon 🇺🇸 910 67 1ms 19 Feb 2021 182nd Lydxn 🇨🇦 910 67 1ms 31 Jan 2022 182nd jared-hughes 910 67 1ms 14 Mar 2022 182nd Steffan153 🇫🇮 910 67 2ms 25 Feb 2023 182nd sean-niemann 🇺🇸 910 67 1ms 7 Oct 2024 182nd FlyingPenguin223 910 67 2ms 3 Nov 2024 190th JayXon 🇺🇸 910 83 125ms 8 Nov 2022 190th Lydxn 🇨🇦 910 83 124ms 28 Jul 2023 190th emgordon154 910 83 126ms 18 Apr 2025 190th ovs-code 🇩🇪 910 83 125ms 20 Apr 2025 190th stefangimmillaro 910 83 129ms 18 May 2025 190th sean-niemann 🇺🇸 910 83 158ms 6 Jun 2025 190th kumavale 910 83 124ms 4 Oct 2025 197th sisyphus-ppcg 🇦🇺 909 41 4,856ms 23 Dec 2025 198th xsot 🇸🇬 909 44 2ms 14 Apr 2024 198th canissimia 🇦🇶 909 44 3ms 6 Dec 2025 200th canissimia 🇦🇶 909 53 3ms 7 Apr 2023 201st Lydxn 🇨🇦 906 41 4ms 22 May 2022 201st Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 201st GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 201st sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 205th DialFrost 🇸🇬 906 53 446ms 15 Jan 2024 205th lifthrasiir 🇰🇷 906 53 426ms 2 Dec 2024 205th emgordon154 906 53 445ms 23 Apr 2025 208th Lydxn 🇨🇦 904 55 109ms 1 May 2023 208th JayXon 🇺🇸 904 55 107ms 1 May 2023 210th JayXon 🇺🇸 904 95 289ms 17 Jan 2021 210th Lydxn 🇨🇦 904 95 291ms 23 Mar 2023 210th nwellnhof 🇩🇪 904 95 290ms 29 May 2023 210th Yewzir 🇧🇪 904 95 291ms 25 Oct 2023 210th Betuaredead 904 95 285ms 12 Nov 2023 215th canissimia 🇦🇶 904 114 3ms 25 Mar 2022 216th JayXon 🇺🇸 903 47 140ms 17 Jun 2025 217th janbehrens 🇩🇪 903 66 415ms 21 Nov 2021 217th tomtheisen 🇺🇸 903 66 403ms 9 Dec 2022 217th Steffan153 🇫🇮 903 66 415ms 10 Feb 2023 217th stefangimmillaro 903 66 386ms 18 Sep 2023 217th sean-niemann 🇺🇸 903 66 414ms 21 Sep 2023 222nd DialFrost 🇸🇬 902 74 436ms 7 Nov 2025 223rd GrayJoKing 🇦🇺 901 33 134ms 9 May 2024 224th nwellnhof 🇩🇪 900 79 57ms 13 Jul 2022 225th HPWiz 🇳🇿 898 51 226ms 10 Feb 2021 225th JayXon 🇺🇸 898 51 189ms 20 Jun 2021 225th Lydxn 🇨🇦 898 51 213ms 28 Jul 2023 225th pardouin 🇫🇷 898 51 1,276ms 13 Apr 2025 229th stefangimmillaro 897 47 48ms 23 Mar 2023 229th Natanaelel 🇸🇪 897 47 37ms 11 Apr 2023 229th m-tkach 🇺🇦 897 47 38ms 16 Jun 2023 232nd Shanethegamer 🇺🇸 897 68 1ms 24 Jan 2021 233rd GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 233rd Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 233rd clockworknazo 897 73 11ms 19 Sep 2022 233rd JayXon 🇺🇸 897 73 3ms 28 Sep 2022 233rd Lydxn 🇨🇦 897 73 3ms 13 Oct 2023 233rd sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 239th GrayJoKing 🇦🇺 896 52 10ms 20 Jan 2021 239th janbehrens 🇩🇪 896 52 10ms 1 Aug 2021 First Prev 161–240 of 1,907 Next Last