Christmas Trees 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 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 Chars Time Submitted 1st primo-ppcg 🇹🇭 1,000 47 55ms 20 Aug 2019 1st Lydxn 🇨🇦 1,000 47 38ms 29 Aug 2022 3rd sisyphus-ppcg 🇦🇺 979 48 53ms 24 Mar 2022 4th nwellnhof 🇩🇪 887 53 48ms 28 Dec 2021 4th radarek 🇵🇱 887 53 40ms 11 Dec 2024 4th pardouin 🇫🇷 887 53 34ms 1 Sep 2025 7th MeWhenI 🇻🇦 870 54 68ms 1 Jul 2022 7th Steffan153 🇫🇮 870 54 88ms 29 Aug 2024 7th janlelis 870 54 40ms 21 Sep 2024 7th sean-niemann 🇺🇸 870 54 75ms 7 Aug 2025 11th JayXon 🇺🇸 855 55 55ms 2 Oct 2021 12th olivermrose 🇺🇸 839 56 47ms 7 Oct 2021 12th SirBogman 🇺🇸 839 56 44ms 15 Jan 2025 14th han-yan 825 57 48ms 12 Dec 2020 14th jaredcrystal 🇺🇸 825 57 54ms 14 Dec 2020 14th simonista 825 57 44ms 15 Dec 2020 14th roor0 825 57 42ms 18 Dec 2020 14th GrayJoKing 🇦🇺 825 57 51ms 18 Dec 2020 14th OhmNomNom 825 57 40ms 20 Oct 2022 14th Natanaelel 🇸🇪 825 57 42ms 22 Nov 2023 14th ovs-code 🇩🇪 825 57 50ms 8 Jul 2024 14th blaztoma 🇱🇹 825 57 37ms 9 days ago 23rd maths22 🇺🇸 810 58 38ms 10 Dec 2020 23rd jstanley0 810 58 44ms 12 Dec 2020 23rd jbbarth 🇫🇷 810 58 48ms 9 Aug 2021 26th prplz 🇦🇺 797 59 40ms 8 Dec 2019 26th lynn 797 59 51ms 25 May 2022 26th anter69 🇭🇺 797 59 43ms 25 Jan 2023 26th stefangimmillaro 797 59 47ms 3 Feb 2023 26th D-MOVE 🇵🇭 797 59 34ms 6 Dec 2025 26th denkyuu1 797 59 34ms 13 Feb 2026 32nd TFeld00 🇩🇰 783 60 45ms 7 Jun 2019 32nd Irratix 🇳🇱 783 60 39ms 27 Jun 2022 32nd jared-hughes 783 60 38ms 12 Sep 2022 32nd Shanethegamer 🇺🇸 783 60 43ms 26 Mar 2024 32nd dokutan 783 60 43ms 1 May 2024 32nd DialFrost 🇸🇬 783 60 36ms 26 Jan 2026 32nd Sxltry 783 60 36ms 2 days ago 39th hiddicop 🇸🇪 770 61 46ms 22 Jan 2021 40th n1LS 758 62 37ms 2 Oct 2019 40th RowdyLemon 758 62 44ms 14 Dec 2020 40th liemvo 🇻🇳 758 62 50ms 7 May 2021 40th KatieLG 🇬🇧 758 62 48ms 2 Oct 2025 40th Lv0Sys 🇵🇱 758 62 36ms 29 Nov 2025 45th brianlwatson 746 63 52ms 9 Dec 2020 45th Waffle3z 746 63 38ms 21 Jan 2021 45th NewDefectus 🇮🇱 746 63 49ms 10 Feb 2021 45th emgordon154 746 63 39ms 17 Nov 2024 45th olleicua 🇺🇸 746 63 53ms 13 Jun 2025 50th biinari 734 64 52ms 25 Mar 2018 50th Ardena 734 64 39ms 11 Dec 2020 50th 4hg 🇺🇸 734 64 46ms 8 Nov 2022 53rd michaelbaudino 723 65 39ms 18 Oct 2020 53rd badboj40 723 65 43ms 14 Feb 2023 53rd kroolp 🇵🇱 723 65 45ms 14 Jul 2024 56th TheZwierzLF 🇵🇱 712 66 36ms 21 Dec 2025 57th takebackfr 701 67 44ms 7 Dec 2021 57th Andriamanitra 🇫🇮 701 67 38ms 21 Jul 2022 57th Haksell 🇦🇶 701 67 40ms 22 Feb 2023 57th tatzyr 🇯🇵 701 67 40ms 30 Nov 2024 57th snoozingnewt 🇨🇦 701 67 36ms 26 Jan 2026 62nd acornellier 691 68 41ms 9 Dec 2018 62nd tarotaro0 691 68 42ms 2 Oct 2019 62nd aydamak 691 68 43ms 15 May 2024 65th robymus 681 69 67ms 18 Sep 2018 65th shraiwi 681 69 47ms 30 Sep 2019 65th FlyingPenguin223 681 69 38ms 2 Nov 2023 68th yzhs 🇩🇪 671 70 44ms 6 Sep 2020 68th james-logan 671 70 42ms 9 Dec 2020 70th dwayneparton 662 71 43ms 13 May 2020 70th aksyristos 662 71 45ms 3 Feb 2023 72nd yokasuretsu 644 73 42ms 16 Apr 2018 73rd LostSyntax21 🇬🇧 635 74 37ms 10 Sep 2024 74th 0xddom 627 75 40ms 18 Dec 2019 75th snltd 618 76 39ms 14 Oct 2019 75th eggplants 🇯🇵 618 76 43ms 26 Nov 2020 77th proton 🇩🇪 610 77 41ms 9 Jun 2020 77th bstrautin 610 77 45ms 12 Jun 2020 77th annaproxy 610 77 42ms 22 Oct 2023 80th segiddins 595 79 40ms 24 Aug 2018 1–80 of 102 Next 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