Christmas Trees 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 radarek 🇵🇱 1,000 56 36ms 4 May 2023 1st Lydxn 🇨🇦 1,000 56 35ms 4 May 2023 1st pardouin 🇫🇷 1,000 56 32ms 1 Sep 2025 4th janlelis 982 57 34ms 5 Jan 2020 4th primo-ppcg 🇹🇭 982 57 34ms 3 Dec 2020 4th han-yan 982 57 36ms 12 Dec 2020 4th jaredcrystal 🇺🇸 982 57 36ms 14 Dec 2020 4th simonista 982 57 31ms 15 Dec 2020 4th roor0 982 57 33ms 18 Dec 2020 4th GrayJoKing 🇦🇺 982 57 35ms 18 Dec 2020 4th nwellnhof 🇩🇪 982 57 36ms 1 Oct 2021 4th sisyphus-ppcg 🇦🇺 982 57 32ms 4 Feb 2022 4th MeWhenI 🇻🇦 982 57 43ms 1 Jul 2022 4th OhmNomNom 982 57 36ms 20 Oct 2022 4th Steffan153 🇫🇮 982 57 44ms 20 Feb 2023 4th JayXon 🇺🇸 982 57 36ms 24 Apr 2023 4th Natanaelel 🇸🇪 982 57 34ms 22 Nov 2023 4th ovs-code 🇩🇪 982 57 32ms 8 Jul 2024 4th sean-niemann 🇺🇸 982 57 34ms 7 Aug 2025 20th maths22 🇺🇸 966 58 35ms 10 Dec 2020 20th jstanley0 966 58 35ms 12 Dec 2020 20th jbbarth 🇫🇷 966 58 34ms 9 Aug 2021 20th SirBogman 🇺🇸 966 58 32ms 15 Jan 2025 24th prplz 🇦🇺 949 59 32ms 28 Oct 2020 24th lynn 949 59 35ms 25 May 2022 24th stefangimmillaro 949 59 38ms 3 Feb 2023 27th TFeld00 🇩🇰 933 60 37ms 7 Jun 2019 27th Irratix 🇳🇱 933 60 34ms 27 Jun 2022 27th jared-hughes 933 60 35ms 12 Sep 2022 27th Shanethegamer 🇺🇸 933 60 36ms 26 Mar 2024 31st hiddicop 🇸🇪 918 61 35ms 22 Jan 2021 31st olivermrose 🇺🇸 918 61 37ms 7 Oct 2021 31st DialFrost 🇸🇬 918 61 35ms 2 Jun 2024 34th n1LS 903 62 34ms 2 Oct 2019 34th RowdyLemon 903 62 35ms 14 Dec 2020 34th liemvo 🇻🇳 903 62 34ms 7 May 2021 37th brianlwatson 889 63 52ms 9 Dec 2020 37th Waffle3z 889 63 37ms 21 Jan 2021 37th NewDefectus 🇮🇱 889 63 35ms 10 Feb 2021 37th emgordon154 889 63 37ms 17 Nov 2024 37th olleicua 🇺🇸 889 63 36ms 13 Jun 2025 42nd biinari 875 64 55ms 25 Mar 2018 42nd Ardena 875 64 44ms 11 Dec 2020 42nd 4hg 🇺🇸 875 64 49ms 8 Nov 2022 45th michaelbaudino 862 65 35ms 18 Oct 2020 45th anter69 🇭🇺 862 65 49ms 3 Aug 2021 45th badboj40 862 65 39ms 14 Feb 2023 45th dokutan 862 65 38ms 30 Apr 2024 45th kroolp 🇵🇱 862 65 37ms 14 Jul 2024 50th takebackfr 836 67 33ms 7 Dec 2021 50th Andriamanitra 🇫🇮 836 67 48ms 21 Jul 2022 50th Haksell 🇦🇶 836 67 36ms 22 Feb 2023 53rd acornellier 824 68 39ms 9 Dec 2018 53rd tarotaro0 824 68 33ms 2 Oct 2019 53rd aydamak 824 68 47ms 15 May 2024 56th robymus 812 69 32ms 18 Sep 2018 56th shraiwi 812 69 31ms 30 Sep 2019 56th KatieLG 🇬🇧 812 69 44ms 10 Apr 2022 56th FlyingPenguin223 812 69 34ms 2 Nov 2023 60th yzhs 🇩🇪 800 70 36ms 6 Sep 2020 60th james-logan 800 70 36ms 9 Dec 2020 62nd dwayneparton 789 71 50ms 13 May 2020 62nd aksyristos 789 71 41ms 3 Feb 2023 64th yokasuretsu 767 73 48ms 16 Apr 2018 65th LostSyntax21 🇬🇧 757 74 35ms 10 Sep 2024 66th 0xddom 747 75 43ms 18 Dec 2019 67th snltd 737 76 31ms 14 Oct 2019 67th eggplants 🇯🇵 737 76 44ms 26 Nov 2020 69th proton 🇩🇪 727 77 32ms 9 Jun 2020 69th bstrautin 727 77 42ms 12 Jun 2020 69th annaproxy 727 77 46ms 22 Oct 2023 72nd segiddins 709 79 32ms 24 Aug 2018 72nd snoozingnewt 🇺🇸 709 79 32ms 4 Nov 2023 72nd tatzyr 🇯🇵 709 79 34ms 30 Nov 2024 75th hrrs01 700 80 35ms 25 Jan 2018 1–75 of 95 Next Last
