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 Rectangle Fill 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 387th jgygax 865 57 12ms 28 Apr 2022 387th stefangimmillaro 865 57 11ms 13 May 2022 387th ZakkkkAttackkkk 🇵🇭 865 57 15ms 31 Jul 2022 387th inventshah 865 57 11ms 19 Sep 2022 387th LogicalJoe 865 57 10ms 19 Sep 2022 387th lzahray 865 57 31ms 21 Oct 2022 387th thehylian 865 57 11ms 10 Jan 2023 387th 5cw 🇺🇸 865 57 11ms 10 Apr 2023 387th xsot 🇸🇬 865 57 25ms 26 Apr 2023 387th Rubiksmath 865 57 10ms 14 Aug 2023 387th bzijlema 🇳🇱 865 57 11ms 15 Nov 2023 387th janbehrens 🇩🇪 865 57 11ms 30 Dec 2023 387th mathisfun271 865 57 10ms 4 Feb 2024 387th thienudomsrirungruang 865 57 10ms 27 Apr 2024 387th wuzekai518 865 57 11ms 2 Aug 2024 387th bizy-coder 865 57 34ms 14 Aug 2024 387th michaelmgreer 865 57 12ms 9 Oct 2025 387th cros107 🇦🇺 865 57 11ms 31 Dec 2025 387th KasperKivimaeki 🇫🇮 865 57 11ms 3 Jan 2026 387th blaztoma 🇱🇹 865 57 11ms 11 Jan 2026 387th ryyyn 🇺🇸 865 57 29ms 21 Jan 2026 387th Flekay 🇩🇪 865 57 15ms 15 Feb 2026 387th JOrE20 865 57 12ms 20 days ago 387th StefanHabel 🇨🇦 865 57 13ms 16 days ago 425th stefangimmillaro 865 79 91ms 21 Jun 2023 426th janbehrens 🇩🇪 864 43 4ms 18 Jan 2021 427th Shanethegamer 🇺🇸 864 53 1,258ms 23 May 2021 427th MeWhenI 🇻🇦 864 53 1,291ms 16 Mar 2022 429th DaCuteRaccoon 863 54 13ms 9 Dec 2022 430th blaztoma 🇱🇹 862 46 6ms 6 days ago 431st edsrzf 🇳🇿 862 53 1,416ms 31 Aug 2025 431st DialFrost 🇸🇬 862 53 940ms 1 Sep 2025 431st xsot 🇸🇬 862 53 1,028ms 21 Dec 2025 434th bitsandbeyond 🇳🇱 861 42 271ms 27 Oct 2025 435th sisyphus-ppcg 🇦🇺 861 56 2ms 12 Jul 2022 436th error256 861 72 62ms 11 Dec 2025 437th DialFrost 🇸🇬 861 76 3ms 14 Sep 2024 438th frosster 🇨🇦 859 71 2ms 27 Jan 2026 439th GrayJoKing 🇦🇺 859 96 32ms 18 Jan 2023 439th lynn 859 96 39ms 6 Aug 2023 441st sean-niemann 🇺🇸 857 58 157ms 27 Apr 2024 442nd Irratix 🇳🇱 857 62 2ms 20 Dec 2021 442nd ovs-code 🇩🇪 857 62 2ms 8 May 2023 442nd sean-niemann 🇺🇸 857 62 2ms 18 Dec 2023 445th GrayJoKing 🇦🇺 857 79 7ms 10 days ago 445th emgordon154 857 79 28ms 10 days ago 447th inventshah 857 83 59ms 17 Nov 2022 447th ovs-code 🇩🇪 857 83 55ms 3 Jun 2024 447th DialFrost 🇸🇬 857 83 61ms 7 Nov 2025 450th Lydxn 🇨🇦 857 100 25ms 13 Oct 2023 451st primo-ppcg 🇹🇭 857 195 11ms 2 Aug 2023 452nd MeWhenI 🇻🇦 856 78 473ms 7 Nov 2025 453rd Lydxn 🇨🇦 854 63 2ms 15 Jan 2024 453rd JayXon 🇺🇸 854 63 2ms 29 Jan 2024 453rd rucin93 🇵🇱 854 63 2ms 19 Nov 2025 456th primo-ppcg 🇹🇭 854 78 124ms 27 Mar 2021 456th Shanethegamer 🇺🇸 854 78 128ms 18 Mar 2023 456th Ripick 854 78 123ms 2 Jun 2025 459th sean-niemann 🇺🇸 854 80 94ms 21 Sep 2023 459th Yewzir 🇧🇪 854 80 81ms 16 Nov 2023 461st snoozingnewt 🇨🇦 854 101 108ms 5 Dec 2025 462nd Yewzir 🇧🇪 854 130 1,746ms 27 Apr 2024 463rd Steffan153 🇫🇮 852 77 4ms 1 Nov 2023 464th MeWhenI 🇻🇦 852 84 40ms 29 Apr 2025 465th Shanethegamer 🇺🇸 851 67 3,914ms 27 Oct 2024 466th MeWhenI 🇻🇦 851 70 392ms 21 Nov 2021 467th kg583 🇺🇸 851 86 9ms 1 Sep 2025 468th ovs-code 🇩🇪 851 138 1,421ms 17 Feb 2025 469th Espiobest 850 58 11ms 13 Mar 2021 469th fgrosshans 🇫🇷 850 58 10ms 18 Jul 2022 469th MaxElf999 850 58 10ms 3 Oct 2022 469th Alex-x90 🇺🇸 850 58 30ms 23 Mar 2023 469th Natanaelel 🇸🇪 850 58 11ms 11 Apr 2023 469th InigoK 🇺🇸 850 58 28ms 28 May 2023 469th Kacarott 🇦🇺 850 58 28ms 13 Oct 2023 469th m42km 850 58 28ms 25 Nov 2023 469th NickTheEASDude 🇺🇸 850 58 27ms 1 Jul 2024 469th namelessiw 850 58 30ms 27 Jul 2024 469th edsrzf 🇳🇿 850 58 19ms 22 Nov 2024 469th croc54 850 58 30ms 9 Jan 2025 First Prev 401–480 of 1,914 Next Last