Happy Numbers in Ruby 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 brainfuck 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) 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Clojure COBOL Coconut Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript Julia K Lisp Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust sed SQL Swift Tcl TeX V VimL Wren Zig 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 brainfuck 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) 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 Intersection Inventory Sequence ISBN Jacobi Symbol Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Maze Medal Tally Morse Decoder Morse Encoder Musical Chords Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers Pangram Grep Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku v2 Ten-pin Bowling Time Distance Tongue-twisters United States Vampire Numbers Van Eck Sequence Zodiac Signs γ λ π τ φ √2 𝑒 # Golfer Lang Points Chars Time 1st primo-ppcg 🇹🇭 Ruby 1,000 30 3 Jan 2020 1st JayXon 🇺🇸 Ruby 1,000 30 20 Feb 2021 1st sisyphus-ppcg 🇦🇺 Ruby 1,000 30 3 Jul 2021 1st Lydxn 🇨🇦 Ruby 1,000 30 17 Aug 2021 1st Steffan153 🇫🇮 Ruby 1,000 30 25 Apr 2023 1st stefangimmillaro Ruby 1,000 30 21 Aug 2023 1st MeWhenI 🇻🇦 Ruby 1,000 30 22 Aug 2023 8th prplz 🇦🇺 Ruby 968 31 3 Jan 2020 8th m-tkach 🇺🇦 Ruby 968 31 23 Feb 2023 10th alo-gin Ruby 938 32 19 Oct 2018 11th janlelis Ruby 667 45 22 Jan 2021 12th SirBogman 🇺🇸 Ruby 612 49 4 Jan 2020 12th GrayJoKing 🇦🇺 Ruby 612 49 24 Mar 2021 12th nwellnhof 🇩🇪 Ruby 612 49 6 Nov 2021 12th radarek 🇵🇱 Ruby 612 49 10 Mar 2022 12th lynn Ruby 612 49 25 May 2022 12th sean-niemann 🇺🇸 Ruby 612 49 2 Jun 2022 12th anter69 🇭🇺 Ruby 612 49 14 Jan 2023 12th Shanethegamer 🇺🇸 Ruby 612 49 29 Mar 2023 12th xsot 🇸🇬 Ruby 612 49 14 Oct 2023 21st hrrs01 Ruby 556 54 14 Apr 2020 21st jaredcrystal 🇺🇸 Ruby 556 54 14 Dec 2020 21st jared-hughes Ruby 556 54 9 Sep 2022 21st ovs-code 🇩🇪 Ruby 556 54 9 May 2023 25th gilufin Ruby 545 55 30 May 2021 25th Natanaelel 🇸🇪 Ruby 545 55 10 May 2023 27th emgordon154 Ruby 526 57 22 Dec 2021 27th annaproxy Ruby 526 57 27 Aug 2022 27th BREMAUCY 🇫🇷 Ruby 526 57 3 days ago 30th Waffle3z Ruby 517 58 20 Jan 2021 30th SnowballSH Ruby 517 58 9 Feb 2021 30th jbbarth 🇫🇷 Ruby 517 58 8 Oct 2021 30th AlephSquirrel Ruby 517 58 14 Apr 2023 30th Yewzir 🇧🇪 Ruby 517 58 22 Dec 2023 35th adoxography Ruby 508 59 22 Jul 2018 35th n1LS Ruby 508 59 22 Oct 2019 35th flavono123 Ruby 508 59 19 Dec 2019 35th rbviz Ruby 508 59 29 Mar 2021 35th OhmNomNom Ruby 508 59 13 Oct 2022 35th FlyingPenguin223 Ruby 508 59 18 Oct 2023 41st xiBread 🇺🇸 Ruby 500 60 19 Sep 2021 41st Andriamanitra 🇫🇮 Ruby 500 60 20 Jul 2022 43rd robymus Ruby 492 61 17 Sep 2018 43rd proton 🇩🇪 Ruby 492 61 10 Jun 2020 45th KatieLG 🇬🇧 Ruby 476 63 18 May 2021 46th hiddicop 🇸🇪 Ruby 469 64 26 Jan 2021 46th Irratix 🇳🇱 Ruby 469 64 4 Mar 2022 46th yzhs 🇩🇪 Ruby 469 64 20 Jul 2022 49th pandapawskat Ruby 462 65 7 Oct 2021 49th orthoplex 🇨🇽 Ruby 462 65 30 Mar 2022 49th DaCuteRaccoon Ruby 462 65 30 Nov 2022 49th DialFrost 🇸🇬 Ruby 462 65 28 Jan 2023 53rd vonagam Ruby 448 67 8 Nov 2017 54th acornellier Ruby 441 68 8 Dec 2018 55th reireias Ruby 435 69 31 Jul 2019 55th aksyristos Ruby 435 69 31 Jan 2023 57th aaronze 🇦🇺 Ruby 423 71 17 Sep 2023 57th olleicua 🇺🇸 Ruby 423 71 20 Feb 2024 59th nlc Ruby 417 72 8 Oct 2018 60th graft Ruby 400 75 3 Apr 2018 1–60 of 91 Next