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 153rd GrayJoKing 🇦🇺 913 54 12ms 7 Jul 2022 153rd btjones0 913 54 12ms 15 Jul 2022 153rd Shanethegamer 🇺🇸 913 54 13ms 18 Jan 2023 153rd jmerle 🇳🇱 913 54 30ms 3 Jul 2023 153rd ndren 913 54 12ms 4 Aug 2023 153rd FlorianCassayre 🇫🇷 913 54 22ms 18 Sep 2023 153rd Yewzir 🇧🇪 913 54 22ms 22 Oct 2023 153rd HPWiz 🇳🇿 913 54 12ms 2 Jan 2024 153rd SirBogman 🇺🇸 913 54 14ms 10 Jun 2024 153rd duckyluuk 🇳🇱 913 54 26ms 15 Aug 2024 153rd jatloe 913 54 11ms 6 Sep 2024 153rd 5quiwyrm 913 54 14ms 14 Nov 2024 153rd lifthrasiir 🇰🇷 913 54 12ms 16 Nov 2024 153rd zacjl 913 54 24ms 6 Apr 2025 153rd emgordon154 913 54 12ms 23 Apr 2025 153rd Mukundan314 913 54 31ms 4 Jul 2025 153rd fkantelberg 913 54 39ms 12 Jul 2025 153rd CaedenHarper 🇨🇦 913 54 29ms 1 Aug 2025 153rd qpwoeirut 913 54 13ms 1 Oct 2025 153rd Babafaba 913 54 15ms 19 Nov 2025 153rd CornerMercury 🇬🇧 913 54 31ms 24 Nov 2025 153rd snoozingnewt 🇨🇦 913 54 19ms 1 Dec 2025 183rd JayXon 🇺🇸 913 78 54ms 4 Mar 2024 184th JayXon 🇺🇸 913 83 129ms 8 Nov 2022 184th Lydxn 🇨🇦 913 83 118ms 28 Jul 2023 184th emgordon154 913 83 123ms 18 Apr 2025 184th ovs-code 🇩🇪 913 83 130ms 20 Apr 2025 184th stefangimmillaro 913 83 114ms 18 May 2025 184th sean-niemann 🇺🇸 913 83 132ms 6 Jun 2025 184th kumavale 913 83 129ms 4 Oct 2025 191st clockworknazo 912 26 45ms 16 Sep 2022 191st saito-ta 🇯🇵 912 26 46ms 21 Sep 2022 191st ovs-code 🇩🇪 912 26 50ms 3 Oct 2023 194th sisyphus-ppcg 🇦🇺 912 67 2ms 25 Jan 2021 194th Waffle3z 912 67 1ms 26 Jan 2021 194th JayXon 🇺🇸 912 67 1ms 19 Feb 2021 194th Lydxn 🇨🇦 912 67 1ms 31 Jan 2022 194th jared-hughes 912 67 1ms 14 Mar 2022 194th Steffan153 🇫🇮 912 67 2ms 25 Feb 2023 194th sean-niemann 🇺🇸 912 67 1ms 7 Oct 2024 194th FlyingPenguin223 912 67 2ms 3 Nov 2024 202nd sisyphus-ppcg 🇦🇺 911 41 4,878ms 23 Dec 2025 203rd xsot 🇸🇬 910 44 2ms 14 Apr 2024 203rd canissimia 🇦🇶 910 44 3ms 6 Dec 2025 205th canissimia 🇦🇶 910 53 3ms 7 Apr 2023 206th Lydxn 🇨🇦 907 41 4ms 22 May 2022 206th Steffan153 🇫🇮 907 41 4ms 15 Dec 2022 206th GrayJoKing 🇦🇺 907 41 4ms 14 Aug 2023 206th sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 210th DialFrost 🇸🇬 907 53 449ms 15 Jan 2024 210th lifthrasiir 🇰🇷 907 53 528ms 2 Dec 2024 210th emgordon154 907 53 415ms 23 Apr 2025 213th Lydxn 🇨🇦 905 55 149ms 1 May 2023 213th JayXon 🇺🇸 905 55 149ms 1 May 2023 215th JayXon 🇺🇸 905 95 322ms 17 Jan 2021 215th Lydxn 🇨🇦 905 95 322ms 23 Mar 2023 215th nwellnhof 🇩🇪 905 95 318ms 29 May 2023 215th Yewzir 🇧🇪 905 95 337ms 25 Oct 2023 215th Betuaredead 905 95 308ms 12 Nov 2023 220th canissimia 🇦🇶 905 114 3ms 25 Mar 2022 221st JayXon 🇺🇸 904 47 133ms 17 Jun 2025 222nd janbehrens 🇩🇪 904 66 390ms 21 Nov 2021 222nd tomtheisen 🇺🇸 904 66 398ms 9 Dec 2022 222nd Steffan153 🇫🇮 904 66 382ms 10 Feb 2023 222nd stefangimmillaro 904 66 372ms 18 Sep 2023 222nd sean-niemann 🇺🇸 904 66 387ms 21 Sep 2023 227th DialFrost 🇸🇬 903 74 436ms 7 Nov 2025 228th GrayJoKing 🇦🇺 902 33 143ms 9 May 2024 229th nwellnhof 🇩🇪 901 79 57ms 13 Jul 2022 230th HPWiz 🇳🇿 899 51 226ms 10 Feb 2021 230th JayXon 🇺🇸 899 51 189ms 20 Jun 2021 230th Lydxn 🇨🇦 899 51 213ms 28 Jul 2023 230th pardouin 🇫🇷 899 51 1,276ms 13 Apr 2025 234th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 235th GrayJoKing 🇦🇺 899 73 3ms 10 Sep 2022 235th Shanethegamer 🇺🇸 899 73 11ms 11 Sep 2022 235th clockworknazo 899 73 11ms 19 Sep 2022 235th JayXon 🇺🇸 899 73 3ms 28 Sep 2022 235th Lydxn 🇨🇦 899 73 3ms 13 Oct 2023 235th sean-niemann 🇺🇸 899 73 3ms 30 Oct 2025 First Prev 161–240 of 1,997 Next Last