Christmas Trees in Ruby in bytes. 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 Calendar 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 Multitap Input 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 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 NFA Simulator Numbrix 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 NFA Simulator Numbrix 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 Bytes Time Submitted 1st radarek 🇵🇱 1,000 56 38ms 4 May 2023 1st Lydxn 🇨🇦 1,000 56 37ms 4 May 2023 1st pardouin 🇫🇷 1,000 56 35ms 1 Sep 2025 4th janlelis 982 57 35ms 5 Jan 2020 4th primo-ppcg 🇹🇭 982 57 35ms 3 Dec 2020 4th han-yan 982 57 36ms 12 Dec 2020 4th jaredcrystal 🇺🇸 982 57 37ms 14 Dec 2020 4th simonista 982 57 35ms 15 Dec 2020 4th roor0 982 57 36ms 18 Dec 2020 4th GrayJoKing 🇦🇺 982 57 38ms 18 Dec 2020 4th nwellnhof 🇩🇪 982 57 34ms 1 Oct 2021 4th sisyphus-ppcg 🇦🇺 982 57 36ms 4 Feb 2022 4th MeWhenI 🇻🇦 982 57 39ms 1 Jul 2022 4th OhmNomNom 982 57 34ms 20 Oct 2022 4th Steffan153 🇫🇮 982 57 36ms 20 Feb 2023 4th JayXon 🇺🇸 982 57 36ms 24 Apr 2023 4th Natanaelel 🇸🇪 982 57 35ms 22 Nov 2023 4th ovs-code 🇩🇪 982 57 40ms 8 Jul 2024 4th sean-niemann 🇺🇸 982 57 37ms 7 Aug 2025 20th maths22 🇺🇸 966 58 34ms 10 Dec 2020 20th jstanley0 966 58 38ms 12 Dec 2020 20th jbbarth 🇫🇷 966 58 38ms 9 Aug 2021 20th SirBogman 🇺🇸 966 58 34ms 15 Jan 2025 24th prplz 🇦🇺 949 59 36ms 28 Oct 2020 24th lynn 949 59 38ms 25 May 2022 24th stefangimmillaro 949 59 35ms 3 Feb 2023 24th D-MOVE 🇵🇭 949 59 36ms 6 Dec 2025 24th blaztoma 🇱🇹 949 59 40ms 20 Dec 2025 24th denkyuu1 949 59 34ms 26 hours ago 30th TFeld00 🇩🇰 933 60 37ms 7 Jun 2019 30th Irratix 🇳🇱 933 60 38ms 27 Jun 2022 30th jared-hughes 933 60 37ms 12 Sep 2022 30th Shanethegamer 🇺🇸 933 60 37ms 26 Mar 2024 30th DialFrost 🇸🇬 933 60 35ms 19 days ago 35th hiddicop 🇸🇪 918 61 35ms 22 Jan 2021 35th olivermrose 🇺🇸 918 61 38ms 7 Oct 2021 37th n1LS 903 62 36ms 2 Oct 2019 37th RowdyLemon 903 62 35ms 14 Dec 2020 37th liemvo 🇻🇳 903 62 34ms 7 May 2021 37th Lv0Sys 🇵🇱 903 62 39ms 29 Nov 2025 41st brianlwatson 889 63 39ms 9 Dec 2020 41st Waffle3z 889 63 38ms 21 Jan 2021 41st NewDefectus 🇮🇱 889 63 34ms 10 Feb 2021 41st emgordon154 889 63 36ms 17 Nov 2024 41st olleicua 🇺🇸 889 63 39ms 13 Jun 2025 46th biinari 875 64 38ms 25 Mar 2018 46th Ardena 875 64 39ms 11 Dec 2020 46th 4hg 🇺🇸 875 64 37ms 8 Nov 2022 49th michaelbaudino 862 65 35ms 18 Oct 2020 49th anter69 🇭🇺 862 65 39ms 3 Aug 2021 49th badboj40 862 65 38ms 14 Feb 2023 49th dokutan 862 65 36ms 30 Apr 2024 49th kroolp 🇵🇱 862 65 35ms 14 Jul 2024 54th TheZwierzLF 🇵🇱 848 66 36ms 21 Dec 2025 55th takebackfr 836 67 36ms 7 Dec 2021 55th Andriamanitra 🇫🇮 836 67 37ms 21 Jul 2022 55th Haksell 🇦🇶 836 67 37ms 22 Feb 2023 55th snoozingnewt 🇨🇦 836 67 34ms 19 days ago 59th acornellier 824 68 38ms 9 Dec 2018 59th tarotaro0 824 68 37ms 2 Oct 2019 59th aydamak 824 68 39ms 15 May 2024 62nd robymus 812 69 36ms 18 Sep 2018 62nd shraiwi 812 69 34ms 30 Sep 2019 62nd KatieLG 🇬🇧 812 69 39ms 10 Apr 2022 62nd FlyingPenguin223 812 69 36ms 2 Nov 2023 66th yzhs 🇩🇪 800 70 36ms 6 Sep 2020 66th james-logan 800 70 37ms 9 Dec 2020 68th dwayneparton 789 71 39ms 13 May 2020 68th aksyristos 789 71 35ms 3 Feb 2023 70th yokasuretsu 767 73 35ms 16 Apr 2018 71st LostSyntax21 🇬🇧 757 74 35ms 10 Sep 2024 72nd 0xddom 747 75 35ms 18 Dec 2019 73rd snltd 737 76 36ms 14 Oct 2019 73rd eggplants 🇯🇵 737 76 38ms 26 Nov 2020 75th proton 🇩🇪 727 77 36ms 9 Jun 2020 75th bstrautin 727 77 39ms 12 Jun 2020 75th annaproxy 727 77 35ms 22 Oct 2023 78th segiddins 709 79 36ms 24 Aug 2018 78th tatzyr 🇯🇵 709 79 39ms 30 Nov 2024 80th hrrs01 700 80 39ms 25 Jan 2018 1–80 of 101 Next Last
