Happy Numbers (Long) in Ruby in bytes. 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 Bytes Time Submitted 1st Lydxn 🇨🇦 1,000 50 92ms 19 Sep 2021 1st GrayJoKing 🇦🇺 1,000 50 95ms 19 Sep 2021 1st janlelis 1,000 50 93ms 20 Sep 2021 1st JayXon 🇺🇸 1,000 50 94ms 28 Sep 2021 1st sisyphus-ppcg 🇦🇺 1,000 50 94ms 6 May 2022 1st radarek 🇵🇱 1,000 50 85ms 25 May 2022 1st sean-niemann 🇺🇸 1,000 50 113ms 23 Dec 2024 1st pardouin 🇫🇷 1,000 50 71ms 9 Apr 2025 1st stefangimmillaro 1,000 50 99ms 27 May 2025 10th nwellnhof 🇩🇪 943 53 69ms 26 Dec 2021 11th xsot 🇸🇬 926 54 39ms 25 Jul 2023 12th prplz 🇦🇺 909 55 40ms 18 Dec 2021 12th lynn 909 55 68ms 25 May 2022 12th ovs-code 🇩🇪 909 55 71ms 9 May 2023 12th Natanaelel 🇸🇪 909 55 47ms 10 May 2023 12th MeWhenI 🇻🇦 909 55 70ms 16 Aug 2023 17th akshatj27 🇦🇶 893 56 56ms 11 Jan 2022 17th Steffan153 🇫🇮 893 56 56ms 16 Dec 2022 17th m-tkach 🇺🇦 893 56 44ms 23 Feb 2023 20th anter69 🇭🇺 877 57 38ms 30 Sep 2021 21st Waffle3z 862 58 103ms 19 Sep 2021 21st emgordon154 862 58 57ms 12 Dec 2021 21st jbbarth 🇫🇷 862 58 39ms 5 Nov 2022 24th OhmNomNom 847 59 40ms 20 Oct 2022 24th AlephSquirrel 847 59 74ms 14 Apr 2023 24th SirBogman 🇺🇸 847 59 60ms 10 Jan 2024 24th error256 847 59 64ms 13 May 2024 28th Shanethegamer 🇺🇸 833 60 160ms 19 Sep 2021 28th adoxography 833 60 48ms 18 Dec 2021 28th jared-hughes 833 60 41ms 9 Sep 2022 31st FlyingPenguin223 806 62 53ms 16 Nov 2023 31st Babafaba 806 62 51ms 7 days ago 33rd Andriamanitra 🇫🇮 794 63 63ms 20 Jul 2022 34th Irratix 🇳🇱 781 64 49ms 4 Mar 2022 34th annaproxy 781 64 65ms 27 Aug 2022 36th olivermrose 🇺🇸 769 65 46ms 27 Oct 2021 36th KatieLG 🇬🇧 769 65 39ms 10 Apr 2022 36th yzhs 🇩🇪 769 65 42ms 20 Jul 2022 36th DialFrost 🇸🇬 769 65 90ms 28 Jan 2023 36th edsrzf 🇳🇿 769 65 94ms 5 Nov 2024 41st pandapawskat 758 66 56ms 7 Oct 2021 42nd CaedenHarper 🇨🇦 746 67 94ms 31 Aug 2025 43rd madex 🇩🇪 735 68 42ms 13 Jun 2024 43rd snoozingnewt 🇺🇸 735 68 147ms 1 Sep 2024 43rd LostSyntax21 🇬🇧 735 68 152ms 8 Jan 2025 46th aksyristos 725 69 93ms 31 Jan 2023 47th aaronze 🇦🇺 704 71 40ms 17 Sep 2023 47th olleicua 🇺🇸 704 71 49ms 20 Feb 2024 49th tatzyr 🇯🇵 676 74 47ms 11 Dec 2024 50th fynnkroeger 588 85 53ms 30 Jan 2022 51st Ralac07 🇦🇺 495 101 47ms 4 Jul 2024 52nd beergit 481 104 40ms 7 Aug 2024 53rd PikeIt 450 111 41ms 27 Jun 2023 53rd HumanoidCPU 450 111 40ms 23 Jun 2024 55th msbranicky 360 139 39ms 8 Sep 2023 56th jacobsmith 323 155 45ms 29 Oct 2021 57th dokutan 172 291 38ms 14 Apr 2024 58th ninjawarrior1337 163 307 52ms 1 Dec 2021 59th JRaspass 🇬🇧 90 557 35ms 19 Sep 2021 59th KatieLG-Transpiler 🇬🇧 90 557 48ms 24 Jun 2022 59th retrohun 90 557 39ms 27 Dec 2022 59th Haksell 🇦🇶 90 557 44ms 22 Feb 2023 59th Mabeloid 🇳🇴 90 557 34ms 18 Sep 2024 1–63 of 63