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 640th nkoppel 795 62 16ms 19 Oct 2022 640th AodhanDalton 795 62 13ms 4 Nov 2022 640th nstearns96 🇬🇧 795 62 19ms 28 Nov 2022 640th adamnielson42 🇺🇸 795 62 12ms 10 Jan 2024 640th jbjd 795 62 11ms 2 Mar 2024 640th HumanoidCPU 795 62 12ms 3 Jun 2024 640th jacekwladzinski 795 62 13ms 4 Oct 2025 640th Mabeloid 🇳🇴 795 62 12ms 26 Oct 2025 649th MichalMarsalek 🇨🇿 794 84 117ms 6 Jan 2023 650th emgordon154 793 67 2ms 22 Apr 2025 651st clockworknazo 792 83 17ms 26 Sep 2022 652nd MeWhenI 🇻🇦 791 83 3ms 10 Sep 2022 653rd Salutations45 790 59 11ms 9 Jan 2025 654th MeWhenI 🇻🇦 790 63 154ms 16 Nov 2022 655th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 655th AlephSquirrel 789 19 2ms 8 Nov 2025 657th emgordon154 789 105 110ms 4 Dec 2025 658th SirBogman 🇺🇸 788 91 38ms 3 Jun 2025 659th kkoenig 788 109 342ms 5 Jan 2024 660th prplz 🇦🇺 787 46 297ms 24 Jan 2021 660th TimCurwick 🇺🇸 787 46 258ms 26 Jan 2021 660th SirBogman 🇺🇸 787 46 284ms 2 Feb 2024 663rd Shanethegamer 🇺🇸 785 76 419ms 13 Dec 2021 663rd Yax42 🇫🇷 785 76 422ms 5 May 2025 665th Yewzir 🇧🇪 785 82 101ms 28 Mar 2024 666th nwellnhof 🇩🇪 783 38 167ms 21 Oct 2021 667th apourchot 783 63 21ms 13 Feb 2021 667th neihousaigaai 783 63 11ms 10 Apr 2021 667th lechevalier 783 63 12ms 9 Aug 2021 667th commandz0 🇺🇸 783 63 14ms 19 Sep 2022 667th fourth-bit 783 63 12ms 21 Nov 2022 667th FortuiteMan 🇫🇷 783 63 27ms 8 Sep 2023 667th ssbhatt4321 783 63 27ms 14 Oct 2023 667th dokutan 783 63 19ms 1 Apr 2025 675th Waffle3z 782 54 42ms 19 Jan 2021 675th olivermrose 🇺🇸 782 54 40ms 28 Sep 2021 675th KatieLG 🇬🇧 782 54 39ms 9 Jan 2023 675th Andriamanitra 🇫🇮 782 54 45ms 20 Jul 2023 679th GrayJoKing 🇦🇺 782 68 2ms 21 Jan 2021 679th m-tkach 🇺🇦 782 68 2ms 25 Apr 2022 679th MeWhenI 🇻🇦 782 68 2ms 11 Nov 2022 682nd janbehrens 🇩🇪 782 91 62ms 20 Nov 2022 682nd snyderek 🇺🇸 782 91 54ms 21 Nov 2024 682nd dokutan 782 91 69ms 18 Jul 2025 685th MeWhenI 🇻🇦 781 88 457ms 28 Feb 2022 686th Shanethegamer 🇺🇸 780 106 33ms 20 Jan 2025 687th anter69 🇭🇺 777 59 1,490ms 24 Feb 2023 687th SirBogman 🇺🇸 777 59 1,590ms 10 Jun 2024 689th rak1507 🇬🇧 777 60 13ms 20 Jan 2021 689th Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 689th duckyluuk 🇳🇱 777 60 10ms 4 Oct 2024 692nd ovs-code 🇩🇪 776 142 11ms 31 Mar 2023 693rd commandz0 🇺🇸 775 62 523ms 15 Jan 2024 693rd HumanoidCPU 775 62 434ms 3 Jun 2024 693rd dokutan 775 62 498ms 14 Feb 2026 696th scpchicken 🇵🇼 774 48 3ms 15 Dec 2022 697th GrayJoKing 🇦🇺 773 55 137ms 6 Aug 2024 698th mousetail 🇳🇱 773 98 122ms 3 Oct 2024 699th Shanethegamer 🇺🇸 772 89 468ms 26 Jul 2023 700th MeWhenI 🇻🇦 771 89 102ms 25 Dec 2022 701st NewDefectus 🇮🇱 770 24 4ms 25 Oct 2021 702nd MeWhenI 🇻🇦 770 47 297ms 28 Jan 2023 703rd RDShah 770 64 12ms 17 Jan 2021 703rd andre-lameirinhas 🇵🇹 770 64 11ms 22 Feb 2021 703rd stertooy 🇧🇪 770 64 12ms 10 Jun 2024 703rd Terobero 770 64 21ms 6 Sep 2024 703rd moustave 770 64 12ms 5 May 2025 703rd Code-Coder-coder 770 64 13ms 25 Nov 2025 703rd Lv0Sys 🇵🇱 770 64 13ms 4 Dec 2025 703rd BrunoVisnadi 🇧🇷 770 64 34ms 11 days ago 711th LostSyntax21 🇬🇧 768 55 45ms 2 Oct 2024 712th lynn 767 78 152ms 16 Nov 2021 713th retrohun 766 63 114ms 23 Jan 2023 714th Shanethegamer 🇺🇸 766 65 147ms 22 May 2021 715th MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 716th SirBogman 🇺🇸 765 31 52ms 7 Oct 2022 717th Shanethegamer 🇺🇸 765 93 56ms 12 Jan 2022 718th Shanethegamer 🇺🇸 764 60 386ms 2 Jul 2021 718th alemelis 764 60 1,968ms 14 Aug 2024 718th antimon2 🇯🇵 764 60 517ms 3 days ago First Prev 641–720 of 2,028 Next Last