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) Taxicab Numbers 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 Huffman Encoder 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 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) Taxicab Numbers 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 Huffman Encoder 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 Turtle Tutorial # Golfer Points Chars Time Submitted 201st Lydxn 🇨🇦 905 55 149ms 1 May 2023 201st JayXon 🇺🇸 905 55 149ms 1 May 2023 203rd JayXon 🇺🇸 905 95 322ms 17 Jan 2021 203rd Lydxn 🇨🇦 905 95 322ms 23 Mar 2023 203rd nwellnhof 🇩🇪 905 95 318ms 29 May 2023 203rd Yewzir 🇧🇪 905 95 337ms 25 Oct 2023 203rd Betuaredead 905 95 308ms 12 Nov 2023 208th canissimia 🇦🇶 905 114 3ms 25 Mar 2022 209th JayXon 🇺🇸 904 47 130ms 17 Jun 2025 210th janbehrens 🇩🇪 904 66 396ms 21 Nov 2021 210th tomtheisen 🇺🇸 904 66 424ms 9 Dec 2022 210th Steffan153 🇫🇮 904 66 427ms 10 Feb 2023 210th stefangimmillaro 904 66 388ms 18 Sep 2023 210th sean-niemann 🇺🇸 904 66 416ms 21 Sep 2023 215th DialFrost 🇸🇬 903 74 484ms 7 Nov 2025 216th GrayJoKing 🇦🇺 902 33 147ms 9 May 2024 217th JayXon 🇺🇸 902 83 130ms 8 Nov 2022 217th Lydxn 🇨🇦 902 83 121ms 28 Jul 2023 217th emgordon154 902 83 127ms 18 Apr 2025 217th ovs-code 🇩🇪 902 83 130ms 20 Apr 2025 217th stefangimmillaro 902 83 124ms 18 May 2025 217th sean-niemann 🇺🇸 902 83 122ms 6 Jun 2025 217th vang1ong7ang 🇦🇶 902 83 133ms 44 hours ago 224th GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 224th Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 224th clockworknazo 901 73 11ms 19 Sep 2022 224th JayXon 🇺🇸 901 73 3ms 28 Sep 2022 224th Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 224th sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 224th Steffan153 🇫🇮 901 73 11ms 2 Apr 2026 224th albanian-laundromat 🇺🇸 901 73 11ms 10 days ago 232nd nwellnhof 🇩🇪 901 79 57ms 13 Jul 2022 233rd Steffan153 🇫🇮 900 52 31ms 10 days ago 233rd DayDun 🇸🇪 900 52 6ms 10 days ago 235th stefangimmillaro 899 47 48ms 23 Mar 2023 235th Natanaelel 🇸🇪 899 47 41ms 11 Apr 2023 235th m-tkach 🇺🇦 899 47 39ms 16 Jun 2023 238th HPWiz 🇳🇿 899 51 240ms 10 Feb 2021 238th JayXon 🇺🇸 899 51 211ms 20 Jun 2021 238th Lydxn 🇨🇦 899 51 209ms 28 Jul 2023 238th pardouin 🇫🇷 899 51 1,331ms 13 Apr 2025 242nd Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 243rd Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 243rd sean-niemann 🇺🇸 898 60 2ms 31 Jan 2025 245th sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 245th Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 247th GrayJoKing 🇦🇺 897 52 11ms 20 Jan 2021 247th janbehrens 🇩🇪 897 52 11ms 1 Aug 2021 247th inventshah 897 52 10ms 18 Jun 2022 247th dmrichwa 🇺🇸 897 52 11ms 28 Jul 2023 251st rak1507 🇬🇧 896 55 12ms 20 Jan 2021 251st GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 251st jacklynnepenick 896 55 14ms 19 Aug 2021 251st nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 251st jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 251st 2011-Chan-Ethan 896 55 12ms 20 Jul 2023 251st SB-945 896 55 11ms 20 Feb 2024 251st davecame 896 55 14ms 21 Aug 2024 251st albanian-laundromat 🇺🇸 896 55 11ms 29 Mar 2025 251st 4atj 896 55 29ms 8 Apr 2025 251st plcc0 896 55 12ms 13 Jan 2026 262nd Steffan153 🇫🇮 895 96 320ms 10 Feb 2023 262nd sean-niemann 🇺🇸 895 96 347ms 21 Sep 2023 264th emplv 🇱🇻 894 72 108ms 28 Jul 2023 264th Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 266th CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 266th zacjl 894 82 9ms 24 Feb 2025 268th inventshah 893 64 2,314ms 27 Oct 2024 268th stefangimmillaro 893 64 2,432ms 13 Nov 2024 268th JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 268th pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 272nd GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 272nd IanUtley 893 67 66ms 9 May 2024 274th sean-niemann 🇺🇸 892 77 469ms 26 Sep 2023 274th Lydxn 🇨🇦 892 77 469ms 26 Sep 2023 274th JayXon 🇺🇸 892 77 457ms 26 Sep 2023 274th Steffan153 🇫🇮 892 77 464ms 2 Apr 2026 278th Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 279th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 280th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 280th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 280th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 280th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 280th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 285th ovs-code 🇩🇪 890 52 406ms 15 Jan 2024 285th Lydxn 🇨🇦 890 52 502ms 16 Jan 2024 285th Steffan153 🇫🇮 890 52 496ms 16 Jan 2024 285th kg583 🇺🇸 890 52 477ms 20 Feb 2024 285th pardouin 🇫🇷 890 52 460ms 21 Jun 2024 285th sean-niemann 🇺🇸 890 52 445ms 26 Jan 2025 291st prplz 🇦🇺 890 67 408ms 21 Nov 2021 291st DialFrost 🇸🇬 890 67 451ms 7 Nov 2025 293rd zacjl 890 70 8ms 11 Mar 2026 294th GrayJoKing 🇦🇺 890 74 17ms 12 Feb 2023 295th Steffan153 🇫🇮 889 42 109ms 10 days ago 296th Shanethegamer 🇺🇸 889 72 1,598ms 19 Jan 2025 297th inventshah 889 74 9ms 19 Sep 2022 298th Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 298th GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 300th GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 First Prev 201–300 of 2,011 Next Last