ISBN in Ruby in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Tower of Hanoi 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 Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 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 Erlang 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 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 Tower of Hanoi 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 Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 1st Lydxn 🇨🇦 1,000 47 35ms 21 Aug 2022 2nd primo-ppcg 🇹🇭 940 50 32ms 4 May 2022 3rd sisyphus-ppcg 🇦🇺 887 53 36ms 11 Jan 2022 4th JayXon 🇺🇸 855 55 32ms 25 Feb 2022 5th Steffan153 🇫🇮 825 57 60ms 29 Aug 2024 5th pardouin 🇫🇷 825 57 57ms 2 Sep 2025 7th xsot 🇸🇬 810 58 34ms 6 Jul 2025 7th sean-niemann 🇺🇸 810 58 32ms 3 Aug 2025 9th MeWhenI 🇻🇦 797 59 32ms 24 Aug 2022 9th janlelis 797 59 34ms 21 Sep 2024 11th anter69 🇭🇺 783 60 33ms 12 Feb 2024 12th SirBogman 🇺🇸 770 61 32ms 21 May 2022 12th Shanethegamer 🇺🇸 770 61 31ms 27 May 2022 12th canissimia 🇦🇶 770 61 34ms 18 Jul 2022 15th Natanaelel 🇸🇪 758 62 32ms 18 May 2025 16th ovs-code 🇩🇪 746 63 35ms 9 May 2023 16th nwellnhof 🇩🇪 746 63 31ms 18 Jul 2023 16th tatzyr 🇯🇵 746 63 33ms 28 Dec 2024 19th GrayJoKing 🇦🇺 734 64 35ms 10 Feb 2022 19th olivermrose 🇺🇸 734 64 32ms 5 Dec 2022 21st error256 712 66 32ms 8 May 2025 22nd stefangimmillaro 701 67 34ms 26 Dec 2024 23rd akshatj27 🇦🇶 691 68 32ms 10 Jan 2022 23rd Haksell 🇦🇶 691 68 32ms 23 Feb 2023 25th 4hg 🇺🇸 681 69 34ms 30 Nov 2022 25th Andriamanitra 🇫🇮 681 69 31ms 17 Apr 2023 27th DialFrost 🇸🇬 662 71 32ms 26 Dec 2024 28th HumanoidCPU 644 73 33ms 2 Mar 2025 28th lacrosse 644 73 37ms 10 days ago 30th Waffle3z 635 74 32ms 12 Jan 2022 30th olleicua 🇺🇸 635 74 32ms 16 Feb 2024 30th emgordon154 635 74 33ms 25 Jun 2024 30th KatieLG 🇬🇧 635 74 33ms 2 Oct 2025 34th jared-hughes 627 75 32ms 9 Sep 2022 35th jstanley0 610 77 32ms 5 Feb 2022 36th aaronze 🇦🇺 588 80 34ms 21 Sep 2023 37th galloj 🇨🇿 566 83 32ms 9 Sep 2022 38th adoxography 485 97 32ms 20 Jan 2022 38th alexjurkiewicz 🇦🇺 485 97 32ms 7 Jul 2022 40th LostSyntax21 🇬🇧 475 99 32ms 9 Sep 2024 41st madex 🇩🇪 385 122 32ms 16 Jun 2024 42nd mosegontar 338 139 32ms 6 Jul 2022 43rd Ralac07 🇦🇺 309 152 33ms 21 Jun 2024 44th KatieLG-Transpiler 🇬🇧 237 198 33ms 3 Jul 2022 1–44 of 44
