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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 601st Shanethegamer 🇺🇸 793 108 274ms 26 Sep 2021 602nd emgordon154 792 67 3ms 22 Apr 2025 603rd Salutations45 790 59 12ms 9 Jan 2025 604th ashtraypettingzoo 🇺🇸 789 19 3ms 3 Apr 2023 605th MeWhenI 🇻🇦 789 57 967ms 15 Sep 2025 606th MeWhenI 🇻🇦 788 63 107ms 16 Nov 2022 607th clockworknazo 788 83 20ms 26 Sep 2022 608th MeWhenI 🇻🇦 787 83 3ms 10 Sep 2022 609th DialFrost 🇸🇬 787 87 446ms 10 Jul 2024 610th kkoenig 786 109 286ms 5 Jan 2024 611th prplz 🇦🇺 785 46 232ms 24 Jan 2021 611th TimCurwick 🇺🇸 785 46 212ms 26 Jan 2021 611th SirBogman 🇺🇸 785 46 233ms 2 Feb 2024 614th SirBogman 🇺🇸 785 91 47ms 3 Jun 2025 615th nwellnhof 🇩🇪 782 38 151ms 21 Oct 2021 616th apourchot 782 63 22ms 13 Feb 2021 616th neihousaigaai 782 63 11ms 10 Apr 2021 616th lechevalier 782 63 10ms 9 Aug 2021 616th commandblockguy 🇺🇸 782 63 13ms 19 Sep 2022 616th fourth-bit 782 63 11ms 21 Nov 2022 616th FortuiteMan 🇫🇷 782 63 31ms 8 Sep 2023 616th ssbhatt4321 782 63 28ms 14 Oct 2023 616th dokutan 782 63 19ms 1 Apr 2025 624th Yewzir 🇧🇪 782 82 111ms 28 Mar 2024 625th Shanethegamer 🇺🇸 781 76 359ms 13 Dec 2021 625th Yax42 🇫🇷 781 76 378ms 5 May 2025 627th Waffle3z 780 54 36ms 19 Jan 2021 627th olivermrose 🇺🇸 780 54 34ms 28 Sep 2021 627th KatieLG 🇬🇧 780 54 41ms 9 Jan 2023 627th Andriamanitra 🇫🇮 780 54 43ms 20 Jul 2023 631st GrayJoKing 🇦🇺 780 68 2ms 21 Jan 2021 631st m-tkach 🇺🇦 780 68 2ms 25 Apr 2022 631st MeWhenI 🇻🇦 780 68 2ms 11 Nov 2022 634th janbehrens 🇩🇪 779 91 67ms 20 Nov 2022 634th snyderek 🇺🇸 779 91 52ms 21 Nov 2024 634th dokutan 779 91 62ms 18 Jul 2025 637th MeWhenI 🇻🇦 778 88 416ms 28 Feb 2022 638th DialFrost 🇸🇬 777 142 1,919ms 13 Sep 2025 639th rak1507 🇬🇧 776 60 10ms 20 Jan 2021 639th Shanethegamer 🇺🇸 776 60 11ms 26 Sep 2021 639th duckyluuk 🇳🇱 776 60 10ms 4 Oct 2024 642nd Shanethegamer 🇺🇸 776 106 34ms 20 Jan 2025 643rd anter69 🇭🇺 775 59 982ms 24 Feb 2023 643rd SirBogman 🇺🇸 775 59 1,208ms 10 Jun 2024 645th commandblockguy 🇺🇸 774 62 506ms 15 Jan 2024 645th HumanoidCPU 774 62 426ms 3 Jun 2024 647th scpchicken 🇵🇼 773 48 3ms 15 Dec 2022 648th GrayJoKing 🇦🇺 771 55 127ms 6 Aug 2024 649th ovs-code 🇩🇪 771 142 12ms 31 Mar 2023 650th NewDefectus 🇮🇱 770 24 5ms 25 Oct 2021 651st RDShah 770 64 12ms 17 Jan 2021 651st andre-lameirinhas 🇵🇹 770 64 12ms 22 Feb 2021 651st stertooy 🇧🇪 770 64 11ms 10 Jun 2024 651st Mabeloid 🇳🇴 770 64 13ms 1 Sep 2024 651st Terobero 770 64 23ms 6 Sep 2024 651st moustave 770 64 12ms 5 May 2025 657th Shanethegamer 🇺🇸 769 89 485ms 26 Jul 2023 658th mousetail 🇳🇱 769 98 144ms 3 Oct 2024 659th MeWhenI 🇻🇦 768 47 199ms 28 Jan 2023 660th MeWhenI 🇻🇦 767 89 128ms 25 Dec 2022 661st LostSyntax21 🇬🇧 766 55 41ms 2 Oct 2024 662nd retrohun 765 63 120ms 23 Jan 2023 663rd Waffle3z 764 61 11ms 20 Jan 2021 663rd didion0 🇺🇸 764 61 9ms 9 Feb 2021 663rd KrausRaus 🇺🇸 764 61 12ms 19 Feb 2021 663rd tayloia 🇬🇧 764 61 10ms 29 May 2022 667th Shanethegamer 🇺🇸 764 65 108ms 22 May 2021 668th lynn 764 78 159ms 16 Nov 2021 669th SirBogman 🇺🇸 763 31 48ms 7 Oct 2022 670th Steffan153 🇫🇮 763 51 89ms 18 Dec 2022 671st Shanethegamer 🇺🇸 762 60 410ms 2 Jul 2021 671st alemelis 762 60 2,036ms 14 Aug 2024 673rd Shanethegamer 🇺🇸 762 93 58ms 12 Jan 2022 674th MeWhenI 🇻🇦 762 108 28ms 7 Jun 2023 675th dokutan 761 63 403ms 1 Apr 2025 First Prev 601–675 of 1,767 Next Last