Kolakoski Sequence in all languages in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 595th HumanoidCPU 795 62 11ms 3 Jun 2024 595th jacekwladzinski 795 62 13ms 4 Oct 2025 595th Mabeloid 🇳🇴 795 62 11ms 12 days ago 604th Shanethegamer 🇺🇸 795 108 271ms 26 Sep 2021 605th Shanethegamer 🇺🇸 794 84 469ms 25 Sep 2025 606th GrayJoKing 🇦🇺 794 86 12ms 15 Aug 2023 606th Shanethegamer 🇺🇸 794 86 10ms 11 Jan 2024 608th TrueBoxGuy 794 95 120ms 24 Sep 2025 609th MichalMarsalek 🇨🇿 793 84 124ms 6 Jan 2023 610th MeWhenI 🇻🇦 792 57 1,056ms 15 Sep 2025 611th emgordon154 792 67 3ms 22 Apr 2025 612th Salutations45 790 59 12ms 9 Jan 2025 613th clockworknazo 790 83 20ms 26 Sep 2022 614th ashtraypettingzoo 🇺🇸 789 19 2ms 3 Apr 2023 615th MeWhenI 🇻🇦 789 63 107ms 16 Nov 2022 616th MeWhenI 🇻🇦 789 83 3ms 10 Sep 2022 617th kkoenig 788 109 288ms 5 Jan 2024 618th prplz 🇦🇺 786 46 232ms 24 Jan 2021 618th TimCurwick 🇺🇸 786 46 212ms 26 Jan 2021 618th SirBogman 🇺🇸 786 46 233ms 2 Feb 2024 621st SirBogman 🇺🇸 786 91 47ms 3 Jun 2025 622nd Yewzir 🇧🇪 784 82 111ms 28 Mar 2024 623rd Shanethegamer 🇺🇸 783 76 359ms 13 Dec 2021 623rd Yax42 🇫🇷 783 76 378ms 5 May 2025 625th nwellnhof 🇩🇪 782 38 151ms 21 Oct 2021 626th apourchot 782 63 22ms 13 Feb 2021 626th neihousaigaai 782 63 11ms 10 Apr 2021 626th lechevalier 782 63 10ms 9 Aug 2021 626th commandblockguy 🇺🇸 782 63 13ms 19 Sep 2022 626th fourth-bit 782 63 11ms 21 Nov 2022 626th FortuiteMan 🇫🇷 782 63 31ms 8 Sep 2023 626th ssbhatt4321 782 63 28ms 14 Oct 2023 626th dokutan 782 63 19ms 1 Apr 2025 634th Waffle3z 780 54 36ms 19 Jan 2021 634th olivermrose 🇺🇸 780 54 34ms 28 Sep 2021 634th KatieLG 🇬🇧 780 54 41ms 9 Jan 2023 634th Andriamanitra 🇫🇮 780 54 43ms 20 Jul 2023 638th GrayJoKing 🇦🇺 780 68 2ms 21 Jan 2021 638th m-tkach 🇺🇦 780 68 2ms 25 Apr 2022 638th MeWhenI 🇻🇦 780 68 2ms 11 Nov 2022 641st janbehrens 🇩🇪 780 91 57ms 20 Nov 2022 641st snyderek 🇺🇸 780 91 55ms 21 Nov 2024 641st dokutan 780 91 55ms 18 Jul 2025 644th DialFrost 🇸🇬 780 142 1,553ms 13 Sep 2025 645th MeWhenI 🇻🇦 779 88 416ms 28 Feb 2022 646th Shanethegamer 🇺🇸 778 106 34ms 20 Jan 2025 647th rak1507 🇬🇧 777 60 10ms 20 Jan 2021 647th Shanethegamer 🇺🇸 777 60 11ms 26 Sep 2021 647th duckyluuk 🇳🇱 777 60 10ms 4 Oct 2024 650th anter69 🇭🇺 776 59 982ms 24 Feb 2023 650th SirBogman 🇺🇸 776 59 1,208ms 10 Jun 2024 652nd commandblockguy 🇺🇸 774 62 506ms 15 Jan 2024 652nd HumanoidCPU 774 62 426ms 3 Jun 2024 654th scpchicken 🇵🇼 773 48 3ms 15 Dec 2022 655th GrayJoKing 🇦🇺 771 55 152ms 6 Aug 2024 656th Shanethegamer 🇺🇸 771 89 485ms 26 Jul 2023 657th ovs-code 🇩🇪 771 142 12ms 31 Mar 2023 658th NewDefectus 🇮🇱 770 24 5ms 25 Oct 2021 659th MeWhenI 🇻🇦 770 47 199ms 28 Jan 2023 660th RDShah 770 64 12ms 17 Jan 2021 660th andre-lameirinhas 🇵🇹 770 64 12ms 22 Feb 2021 660th stertooy 🇧🇪 770 64 11ms 10 Jun 2024 660th Terobero 770 64 23ms 6 Sep 2024 660th moustave 770 64 12ms 5 May 2025 665th mousetail 🇳🇱 770 98 121ms 3 Oct 2024 666th MeWhenI 🇻🇦 767 89 101ms 25 Dec 2022 667th LostSyntax21 🇬🇧 766 55 41ms 2 Oct 2024 668th retrohun 765 63 120ms 23 Jan 2023 669th Shanethegamer 🇺🇸 765 65 108ms 22 May 2021 670th lynn 765 78 159ms 16 Nov 2021 671st Waffle3z 764 61 11ms 20 Jan 2021 671st didion0 🇺🇸 764 61 9ms 9 Feb 2021 671st KrausRaus 🇺🇸 764 61 12ms 19 Feb 2021 671st tayloia 🇬🇧 764 61 10ms 29 May 2022 675th MeWhenI 🇻🇦 764 108 28ms 7 Jun 2023 First Prev 601–675 of 1,810 Next Last