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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 301st zacjl 890 70 8ms 11 Mar 2026 302nd GrayJoKing 🇦🇺 890 74 17ms 12 Feb 2023 303rd Steffan153 🇫🇮 889 42 109ms 6 days ago 304th Shanethegamer 🇺🇸 889 72 1,598ms 19 Jan 2025 305th inventshah 889 74 9ms 19 Sep 2022 306th Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 306th GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 308th GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 309th emplv 🇱🇻 887 97 26ms 27 Jul 2023 310th lukegustafson 🇺🇸 886 48 148ms 17 Jun 2025 311th nwellnhof 🇩🇪 886 60 2ms 13 Jul 2022 311th emplv 🇱🇻 886 60 2ms 28 Jul 2023 313th GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 314th primo-ppcg 🇹🇭 886 81 39ms 2 May 2025 315th DialFrost 🇸🇬 886 97 408ms 7 Nov 2025 316th o0lit3 🇺🇸 885 42 3ms 13 Jun 2022 316th DaCuteRaccoon 885 42 4ms 9 Dec 2022 316th DialFrost 🇸🇬 885 42 4ms 1 Feb 2023 316th MeWhenI 🇻🇦 885 42 3ms 16 Apr 2023 316th nwellnhof 🇩🇪 885 42 3ms 29 May 2023 316th xsot 🇸🇬 885 42 4ms 27 Jun 2025 316th blaztoma 🇱🇹 885 42 3ms 12 Jan 2026 323rd GrayJoKing 🇦🇺 884 74 96ms 6 Jun 2023 323rd Steffan153 🇫🇮 884 74 112ms 18 Aug 2024 325th ovs-code 🇩🇪 883 53 9ms 30 Oct 2024 326th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 327th razetime 882 17 2ms 12 Jan 2022 328th sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 328th Lydxn 🇨🇦 882 45 5ms 17 Jan 2021 328th emplv 🇱🇻 882 45 5ms 17 Jan 2021 328th GrayJoKing 🇦🇺 882 45 6ms 21 Sep 2021 328th DaCuteRaccoon 882 45 6ms 9 Dec 2022 328th DialFrost 🇸🇬 882 45 5ms 1 Feb 2023 328th janbehrens 🇩🇪 882 45 6ms 16 May 2023 335th GrayJoKing 🇦🇺 882 63 7ms 31 Jan 2025 336th JayXon 🇺🇸 882 73 111ms 15 Oct 2022 336th Steffan153 🇫🇮 882 73 112ms 7 Dec 2022 336th sean-niemann 🇺🇸 882 73 110ms 20 May 2024 339th DialFrost 🇸🇬 881 52 216ms 7 Jan 2024 339th Steffan153 🇫🇮 881 52 217ms 26 Feb 2024 339th sean-niemann 🇺🇸 881 52 204ms 27 Jun 2025 342nd SirBogman 🇺🇸 880 21 3ms 30 Sep 2022 343rd lynn 880 25 34ms 11 Apr 2021 343rd GrayJoKing 🇦🇺 880 25 33ms 15 Feb 2022 343rd jared-hughes 880 25 33ms 21 Apr 2022 343rd rak1507 🇬🇧 880 25 33ms 28 Jan 2023 343rd bstrat 880 25 34ms 15 Jul 2024 348th tomtheisen 🇺🇸 880 53 10ms 18 Jan 2021 348th prplz 🇦🇺 880 53 10ms 24 Jan 2021 348th jakzo 880 53 10ms 5 Sep 2021 348th ovs-code 🇩🇪 880 53 10ms 5 Oct 2023 348th dokutan 880 53 15ms 18 Jul 2025 353rd schachmattmatt 880 56 12ms 18 Aug 2021 353rd MeWhenI 🇻🇦 880 56 32ms 22 Oct 2021 353rd Irratix 🇳🇱 880 56 12ms 19 Apr 2022 353rd tri1212 🇻🇳 880 56 11ms 18 Jul 2022 353rd fredrik-bakke 🇳🇴 880 56 12ms 29 Sep 2022 353rd neel11235813 880 56 31ms 21 Dec 2022 353rd sisyphus-ppcg 🇦🇺 880 56 28ms 23 Mar 2023 353rd elgan65536 🇺🇸 880 56 13ms 31 Mar 2024 353rd HETHAT 🇩🇿 880 56 12ms 12 Apr 2024 353rd wh3n3v3r 🇨🇿 880 56 12ms 12 Nov 2024 353rd Seek64 🇩🇪 880 56 25ms 9 Mar 2026 364th Steffan153 🇫🇮 880 94 49ms 18 Jan 2023 365th namelessiw 879 76 528ms 2 Oct 2025 365th Yewzir 🇧🇪 879 76 498ms 2 Oct 2025 367th Steffan153 🇫🇮 879 81 59ms 23 Mar 2023 367th sean-niemann 🇺🇸 879 81 61ms 23 Sep 2023 369th m-tkach 🇺🇦 879 107 17ms 17 May 2022 370th GrayJoKing 🇦🇺 878 27 57ms 2 Aug 2022 371st zacjl 878 72 40ms 13 Feb 2025 372nd Steffan153 🇫🇮 878 75 5ms 11 days ago 373rd primo-ppcg 🇹🇭 878 78 4ms 2 May 2023 374th saito-ta 🇯🇵 877 55 3ms 26 May 2022 374th nwellnhof 🇩🇪 877 55 4ms 13 May 2023 376th Irratix 🇳🇱 877 68 404ms 13 Dec 2021 376th namelessiw 877 68 468ms 18 Jul 2025 378th GrayJoKing 🇦🇺 877 73 38ms 27 Jun 2022 378th primo-ppcg 🇹🇭 877 73 38ms 28 Jun 2022 380th emgordon154 877 75 3ms 2 days ago 381st emplv 🇱🇻 877 98 343ms 18 Jan 2022 381st stefangimmillaro 877 98 304ms 21 Jun 2023 383rd stefangimmillaro 875 82 39ms 26 Apr 2025 384th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 384th neel11235813 874 55 463ms 29 Mar 2024 386th primo-ppcg 🇹🇭 874 57 151ms 1 May 2023 387th jared-hughes 874 126 15ms 7 Jul 2024 388th MeWhenI 🇻🇦 873 76 14ms 18 Jan 2026 389th btjones0 871 87 127ms 26 Jan 2021 389th lynn 871 87 118ms 7 Jul 2024 391st DialFrost 🇸🇬 870 79 463ms 7 Nov 2025 392nd ovs-code 🇩🇪 869 43 109ms 21 Dec 2022 392nd snoozingnewt 🇨🇦 869 43 112ms 6 days ago 394th stefangimmillaro 868 79 99ms 21 Jun 2023 395th Irratix 🇳🇱 868 82 64ms 18 Dec 2022 396th Shanethegamer 🇺🇸 865 53 1,372ms 23 May 2021 396th MeWhenI 🇻🇦 865 53 1,549ms 16 Mar 2022 398th primo-ppcg 🇹🇭 865 57 11ms 18 Jan 2021 398th prplz 🇦🇺 865 57 14ms 21 Jan 2021 398th OllieBoyne 🇬🇧 865 57 12ms 22 Jan 2021 First Prev 301–400 of 2,003 Next Last