Leap Years 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 33 36ms 9 Feb 2022 1st JayXon 🇺🇸 1,000 33 36ms 9 Feb 2022 3rd primo-ppcg 🇹🇭 917 36 39ms 8 Dec 2018 3rd nwellnhof 🇩🇪 917 36 44ms 28 Apr 2020 3rd Waffle3z 917 36 39ms 14 Jul 2021 3rd lynn 917 36 37ms 10 Sep 2021 3rd sean-niemann 🇺🇸 917 36 34ms 5 Apr 2022 3rd jared-hughes 917 36 31ms 9 Sep 2022 3rd MeWhenI 🇻🇦 917 36 34ms 10 Oct 2022 3rd Steffan153 🇫🇮 917 36 40ms 26 Dec 2022 3rd ovs-code 🇩🇪 917 36 40ms 9 May 2023 3rd DialFrost 🇸🇬 917 36 39ms 8 Nov 2023 3rd pardouin 🇫🇷 917 36 38ms 21 Aug 2024 3rd dokutan 917 36 36ms 25 Sep 2024 3rd FlyingPenguin223 917 36 39ms 17 Dec 2024 3rd fuzzylojik-golf 🇺🇸 917 36 35ms 25 Aug 2025 17th orthoplex 🇨🇽 892 37 36ms 30 Mar 2022 18th janlelis 868 38 35ms 11 Nov 2021 18th GrayJoKing 🇦🇺 868 38 33ms 9 Feb 2022 18th stefangimmillaro 868 38 36ms 4 Aug 2023 21st proton 🇩🇪 846 39 38ms 9 Jun 2020 21st KatieLG 🇬🇧 846 39 34ms 3 Oct 2020 21st sisyphus-ppcg 🇦🇺 846 39 45ms 26 Mar 2021 21st janbehrens 🇩🇪 846 39 35ms 22 May 2021 21st anter69 🇭🇺 846 39 39ms 23 Feb 2023 21st annaproxy 846 39 54ms 19 Sep 2023 27th omegahm 825 40 36ms 6 Nov 2019 27th Irratix 🇳🇱 825 40 34ms 4 Mar 2022 29th acornellier 805 41 42ms 8 Dec 2018 29th jaredcrystal 🇺🇸 805 41 32ms 10 Dec 2018 29th jstanley0 805 41 32ms 12 Dec 2020 29th Natanaelel 🇸🇪 805 41 36ms 14 Sep 2021 29th emgordon154 805 41 37ms 23 Dec 2021 29th yzhs 🇩🇪 805 41 37ms 20 Jul 2022 29th tatzyr 🇯🇵 805 41 34ms 5 Mar 2025 29th csharpython 805 41 34ms 22 Jul 2025 29th Babafaba 805 41 53ms 10 days ago 38th seanstory 786 42 42ms 4 Nov 2019 38th davishmcclurg 786 42 37ms 5 Nov 2019 38th prplz 🇦🇺 786 42 37ms 1 Dec 2019 38th TFeld00 🇩🇰 786 42 39ms 15 Jun 2022 38th OhmNomNom 786 42 41ms 8 Oct 2022 38th olleicua 🇺🇸 786 42 36ms 9 Jan 2024 38th error256 786 42 38ms 13 May 2024 38th SirBogman 🇺🇸 786 42 36ms 15 Aug 2025 38th blaztoma 🇱🇹 786 42 47ms 14 days ago 47th hugolgst 767 43 34ms 18 May 2019 47th reireias 767 43 37ms 31 Jul 2019 47th tarotaro0 767 43 35ms 2 Oct 2019 47th hiddicop 🇸🇪 767 43 34ms 23 Jan 2021 47th Haksell 🇦🇶 767 43 36ms 4 Feb 2021 47th gilufin 767 43 39ms 2 Jun 2021 47th olivermrose 🇺🇸 767 43 42ms 21 Sep 2021 47th akshatj27 🇦🇶 767 43 37ms 11 Jan 2022 47th HallMatthew314 767 43 34ms 9 Feb 2022 47th m-tkach 🇺🇦 767 43 37ms 13 Dec 2022 47th 4hg 🇺🇸 767 43 32ms 14 Feb 2023 47th Yewzir 🇧🇪 767 43 36ms 23 Nov 2023 47th ngthanhtrung23 767 43 36ms 15 Mar 2024 60th ureishi 🇯🇵 750 44 38ms 30 Jan 2021 60th Shanethegamer 🇺🇸 750 44 35ms 4 Jun 2021 60th BREMAUCY 🇫🇷 750 44 45ms 17 Apr 2024 60th ejini6969 750 44 34ms 14 Jun 2025 60th snoozingnewt 🇺🇸 750 44 35ms 26 Sep 2025 65th graft 733 45 38ms 21 Dec 2018 65th handisb 733 45 33ms 12 Sep 2019 65th boxjelly 733 45 36ms 11 Feb 2021 65th kinoute 🇫🇷 733 45 35ms 10 Sep 2021 65th scpchicken 🇵🇼 733 45 40ms 22 Feb 2023 65th RuyiLi 733 45 37ms 7 Apr 2023 65th aydamak 733 45 43ms 14 May 2024 72nd adoxography 717 46 42ms 6 Dec 2018 73rd jbbarth 🇫🇷 688 48 32ms 2 Sep 2021 73rd Andriamanitra 🇫🇮 688 48 39ms 23 Sep 2022 73rd aaronze 🇦🇺 688 48 37ms 17 Sep 2023 1–75 of 119 Next Last