ISBN 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 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) 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 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) 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 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 Bytes Time 1st Lydxn 🇨🇦 Ruby 1,000 57 27 Feb 2022 2nd JayXon 🇺🇸 Ruby 966 59 25 Feb 2022 3rd canissimia 🇦🇶 Ruby 934 61 18 Jul 2022 4th primo-ppcg 🇹🇭 Ruby 919 62 11 Jan 2022 5th ovs-code 🇩🇪 Ruby 905 63 9 May 2023 5th nwellnhof 🇩🇪 Ruby 905 63 18 Jul 2023 5th xsot 🇸🇬 Ruby 905 63 14 Oct 2023 8th sisyphus-ppcg 🇦🇺 Ruby 891 64 11 Jan 2022 8th GrayJoKing 🇦🇺 Ruby 891 64 10 Feb 2022 10th MeWhenI 🇻🇦 Ruby 877 65 7 Dec 2023 11th Steffan153 🇫🇮 Ruby 864 66 2 Aug 2023 12th janlelis Ruby 851 67 11 Jan 2022 13th akshatj27 🇦🇶 Ruby 838 68 10 Jan 2022 13th SirBogman 🇺🇸 Ruby 838 68 19 May 2022 13th Shanethegamer 🇺🇸 Ruby 838 68 27 May 2022 13th Natanaelel 🇸🇪 Ruby 838 68 21 Jun 2022 13th stefangimmillaro Ruby 838 68 19 Dec 2022 13th Haksell 🇦🇶 Ruby 838 68 23 Feb 2023 13th anter69 🇭🇺 Ruby 838 68 20 Nov 2023 20th 4hg 🇺🇸 Ruby 826 69 30 Nov 2022 20th Andriamanitra 🇫🇮 Ruby 826 69 17 Apr 2023 22nd Waffle3z Ruby 770 74 12 Jan 2022 22nd olleicua 🇺🇸 Ruby 770 74 16 Feb 2024 24th jared-hughes Ruby 760 75 9 Sep 2022 25th jstanley0 Ruby 740 77 5 Feb 2022 25th xiBread 🇺🇸 Ruby 740 77 5 Dec 2022 27th aaronze 🇦🇺 Ruby 713 80 21 Sep 2023 28th galloj 🇨🇿 Ruby 687 83 9 Sep 2022 29th KatieLG 🇬🇧 Ruby 606 94 9 Oct 2022 30th adoxography Ruby 588 97 20 Jan 2022 30th alexjurkiewicz 🇦🇺 Ruby 588 97 7 Jul 2022 32nd mosegontar Ruby 410 139 6 Jul 2022 33rd KatieLG-Transpiler 🇬🇧 Ruby 288 198 3 Jul 2022 34th madex 🇩🇪 Ruby 122 466 6 Mar 2024 1–34 of 34