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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st radarek 🇵🇱 1,000 56 39ms 4 May 2023 1st Lydxn 🇨🇦 1,000 56 37ms 4 May 2023 1st pardouin 🇫🇷 1,000 56 37ms 1 Sep 2025 4th janlelis 982 57 49ms 5 Jan 2020 4th primo-ppcg 🇹🇭 982 57 40ms 3 Dec 2020 4th han-yan 982 57 48ms 12 Dec 2020 4th jaredcrystal 🇺🇸 982 57 54ms 14 Dec 2020 4th simonista 982 57 44ms 15 Dec 2020 4th roor0 982 57 42ms 18 Dec 2020 4th GrayJoKing 🇦🇺 982 57 51ms 18 Dec 2020 4th nwellnhof 🇩🇪 982 57 42ms 1 Oct 2021 4th sisyphus-ppcg 🇦🇺 982 57 39ms 4 Feb 2022 4th MeWhenI 🇻🇦 982 57 39ms 1 Jul 2022 4th OhmNomNom 982 57 40ms 20 Oct 2022 4th Steffan153 🇫🇮 982 57 52ms 20 Feb 2023 4th JayXon 🇺🇸 982 57 43ms 24 Apr 2023 4th Natanaelel 🇸🇪 982 57 42ms 22 Nov 2023 4th ovs-code 🇩🇪 982 57 50ms 8 Jul 2024 4th sean-niemann 🇺🇸 982 57 36ms 7 Aug 2025 4th blaztoma 🇱🇹 982 57 37ms 10 days ago 21st maths22 🇺🇸 966 58 38ms 10 Dec 2020 21st jstanley0 966 58 44ms 12 Dec 2020 21st jbbarth 🇫🇷 966 58 48ms 9 Aug 2021 21st SirBogman 🇺🇸 966 58 35ms 15 Jan 2025 25th prplz 🇦🇺 949 59 40ms 28 Oct 2020 25th lynn 949 59 51ms 25 May 2022 25th stefangimmillaro 949 59 47ms 3 Feb 2023 25th D-MOVE 🇵🇭 949 59 34ms 6 Dec 2025 25th denkyuu1 949 59 34ms 13 Feb 2026 30th TFeld00 🇩🇰 933 60 45ms 7 Jun 2019 30th Irratix 🇳🇱 933 60 39ms 27 Jun 2022 30th jared-hughes 933 60 38ms 12 Sep 2022 30th Shanethegamer 🇺🇸 933 60 43ms 26 Mar 2024 30th DialFrost 🇸🇬 933 60 36ms 26 Jan 2026 30th Sxltry 933 60 36ms 2 days ago 36th hiddicop 🇸🇪 918 61 46ms 22 Jan 2021 36th olivermrose 🇺🇸 918 61 38ms 7 Oct 2021 38th n1LS 903 62 37ms 2 Oct 2019 38th RowdyLemon 903 62 44ms 14 Dec 2020 38th liemvo 🇻🇳 903 62 50ms 7 May 2021 38th Lv0Sys 🇵🇱 903 62 36ms 29 Nov 2025 42nd brianlwatson 889 63 52ms 9 Dec 2020 42nd Waffle3z 889 63 38ms 21 Jan 2021 42nd NewDefectus 🇮🇱 889 63 49ms 10 Feb 2021 42nd emgordon154 889 63 39ms 17 Nov 2024 42nd olleicua 🇺🇸 889 63 53ms 13 Jun 2025 47th biinari 875 64 52ms 25 Mar 2018 47th Ardena 875 64 39ms 11 Dec 2020 47th 4hg 🇺🇸 875 64 46ms 8 Nov 2022 50th michaelbaudino 862 65 39ms 18 Oct 2020 50th anter69 🇭🇺 862 65 37ms 3 Aug 2021 50th badboj40 862 65 43ms 14 Feb 2023 50th dokutan 862 65 40ms 30 Apr 2024 50th kroolp 🇵🇱 862 65 45ms 14 Jul 2024 55th TheZwierzLF 🇵🇱 848 66 36ms 21 Dec 2025 56th takebackfr 836 67 44ms 7 Dec 2021 56th Andriamanitra 🇫🇮 836 67 38ms 21 Jul 2022 56th Haksell 🇦🇶 836 67 40ms 22 Feb 2023 56th snoozingnewt 🇨🇦 836 67 36ms 26 Jan 2026 60th acornellier 824 68 41ms 9 Dec 2018 60th tarotaro0 824 68 42ms 2 Oct 2019 60th aydamak 824 68 43ms 15 May 2024 63rd robymus 812 69 67ms 18 Sep 2018 63rd shraiwi 812 69 47ms 30 Sep 2019 63rd KatieLG 🇬🇧 812 69 35ms 10 Apr 2022 63rd FlyingPenguin223 812 69 38ms 2 Nov 2023 67th yzhs 🇩🇪 800 70 44ms 6 Sep 2020 67th james-logan 800 70 42ms 9 Dec 2020 69th dwayneparton 789 71 43ms 13 May 2020 69th aksyristos 789 71 45ms 3 Feb 2023 71st yokasuretsu 767 73 42ms 16 Apr 2018 72nd LostSyntax21 🇬🇧 757 74 37ms 10 Sep 2024 73rd 0xddom 747 75 40ms 18 Dec 2019 74th snltd 737 76 39ms 14 Oct 2019 74th eggplants 🇯🇵 737 76 43ms 26 Nov 2020 76th proton 🇩🇪 727 77 41ms 9 Jun 2020 76th bstrautin 727 77 45ms 12 Jun 2020 76th annaproxy 727 77 42ms 22 Oct 2023 79th segiddins 709 79 40ms 24 Aug 2018 79th tatzyr 🇯🇵 709 79 36ms 30 Nov 2024 1–80 of 102 Next Last
