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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 Nim 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 Nim 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 195th sean-niemann 🇺🇸 912 67 1ms 7 Oct 2024 195th FlyingPenguin223 912 67 2ms 3 Nov 2024 203rd sisyphus-ppcg 🇦🇺 911 41 4,884ms 23 Dec 2025 204th xsot 🇸🇬 910 44 2ms 14 Apr 2024 204th canissimia 🇦🇶 910 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 🇨🇦 905 55 149ms 1 May 2023 214th JayXon 🇺🇸 905 55 149ms 1 May 2023 216th JayXon 🇺🇸 905 95 322ms 17 Jan 2021 216th Lydxn 🇨🇦 905 95 322ms 23 Mar 2023 216th nwellnhof 🇩🇪 905 95 318ms 29 May 2023 216th Yewzir 🇧🇪 905 95 337ms 25 Oct 2023 216th Betuaredead 905 95 308ms 12 Nov 2023 221st JayXon 🇺🇸 904 47 130ms 17 Jun 2025 222nd janbehrens 🇩🇪 904 66 396ms 21 Nov 2021 222nd tomtheisen 🇺🇸 904 66 424ms 9 Dec 2022 222nd Steffan153 🇫🇮 904 66 427ms 10 Feb 2023 222nd stefangimmillaro 904 66 388ms 18 Sep 2023 222nd sean-niemann 🇺🇸 904 66 416ms 21 Sep 2023 227th canissimia 🇦🇶 904 114 3ms 25 Mar 2022 228th DialFrost 🇸🇬 903 74 545ms 7 Nov 2025 229th GrayJoKing 🇦🇺 902 33 147ms 9 May 2024 230th GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 230th Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 230th clockworknazo 901 73 11ms 19 Sep 2022 230th JayXon 🇺🇸 901 73 3ms 28 Sep 2022 230th Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 230th sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 230th Steffan153 🇫🇮 901 73 11ms 24 days ago 230th albanian-laundromat 🇺🇸 901 73 11ms 6 days ago 238th nwellnhof 🇩🇪 901 79 57ms 13 Jul 2022 239th Steffan153 🇫🇮 900 52 31ms 7 days ago 239th DayDun 🇸🇪 900 52 6ms 7 days ago 241st HPWiz 🇳🇿 899 51 240ms 10 Feb 2021 241st JayXon 🇺🇸 899 51 211ms 20 Jun 2021 241st Lydxn 🇨🇦 899 51 209ms 28 Jul 2023 241st pardouin 🇫🇷 899 51 1,452ms 13 Apr 2025 245th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 246th stefangimmillaro 898 47 48ms 23 Mar 2023 246th Natanaelel 🇸🇪 898 47 41ms 11 Apr 2023 246th m-tkach 🇺🇦 898 47 39ms 16 Jun 2023 249th Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 249th sean-niemann 🇺🇸 898 60 3ms 31 Jan 2025 251st sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 251st Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 253rd GrayJoKing 🇦🇺 897 52 10ms 20 Jan 2021 253rd janbehrens 🇩🇪 897 52 10ms 1 Aug 2021 253rd inventshah 897 52 10ms 18 Jun 2022 253rd dmrichwa 🇺🇸 897 52 10ms 28 Jul 2023 257th rak1507 🇬🇧 896 55 12ms 20 Jan 2021 257th GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 257th jacklynnepenick 896 55 14ms 19 Aug 2021 257th nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 257th jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 257th 2011-Chan-Ethan 896 55 12ms 20 Jul 2023 257th SB-945 896 55 11ms 20 Feb 2024 257th davecame 896 55 14ms 21 Aug 2024 257th albanian-laundromat 🇺🇸 896 55 11ms 29 Mar 2025 257th 4atj 896 55 29ms 8 Apr 2025 257th plcc0 896 55 12ms 13 Jan 2026 268th Steffan153 🇫🇮 895 96 320ms 10 Feb 2023 268th sean-niemann 🇺🇸 895 96 347ms 21 Sep 2023 270th emplv 🇱🇻 894 72 108ms 28 Jul 2023 270th Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 272nd CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 272nd zacjl 894 82 9ms 24 Feb 2025 274th inventshah 893 64 2,314ms 27 Oct 2024 274th stefangimmillaro 893 64 2,432ms 13 Nov 2024 274th JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 274th pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 278th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 278th IanUtley 893 67 66ms 9 May 2024 280th sean-niemann 🇺🇸 892 77 469ms 26 Sep 2023 280th Lydxn 🇨🇦 892 77 469ms 26 Sep 2023 280th JayXon 🇺🇸 892 77 457ms 26 Sep 2023 280th Steffan153 🇫🇮 892 77 464ms 24 days ago 284th Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 285th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 286th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 286th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 286th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 286th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 286th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 291st Yewzir 🇧🇪 890 54 380ms 15 Jan 2024 291st Shanethegamer 🇺🇸 890 54 471ms 16 Jan 2024 291st GrayJoKing 🇦🇺 890 54 409ms 23 Jul 2024 291st duckyluuk 🇳🇱 890 54 505ms 28 Aug 2024 291st KatieLG 🇬🇧 890 54 400ms 28 Oct 2024 291st GolfingSuccess 🇬🇷 890 54 414ms 25 Jan 2025 291st Babafaba 890 54 432ms 19 Nov 2025 291st snoozingnewt 🇨🇦 890 54 417ms 1 Dec 2025 299th prplz 🇦🇺 890 67 408ms 21 Nov 2021 299th DialFrost 🇸🇬 890 67 451ms 7 Nov 2025 First Prev 201–300 of 2,004 Next Last