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 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 Chars Time Submitted 1st primo-ppcg 🇹🇭 1,000 47 34ms 20 Aug 2019 1st Lydxn 🇨🇦 1,000 47 34ms 29 Aug 2022 3rd sisyphus-ppcg 🇦🇺 979 48 36ms 24 Mar 2022 4th nwellnhof 🇩🇪 887 53 36ms 28 Dec 2021 4th radarek 🇵🇱 887 53 41ms 11 Dec 2024 4th pardouin 🇫🇷 887 53 37ms 1 Sep 2025 7th MeWhenI 🇻🇦 870 54 63ms 1 Jul 2022 7th Steffan153 🇫🇮 870 54 69ms 29 Aug 2024 7th janlelis 870 54 35ms 21 Sep 2024 7th sean-niemann 🇺🇸 870 54 63ms 7 Aug 2025 11th JayXon 🇺🇸 855 55 41ms 2 Oct 2021 12th olivermrose 🇺🇸 839 56 38ms 7 Oct 2021 12th SirBogman 🇺🇸 839 56 33ms 15 Jan 2025 14th han-yan 825 57 36ms 12 Dec 2020 14th jaredcrystal 🇺🇸 825 57 37ms 14 Dec 2020 14th simonista 825 57 35ms 15 Dec 2020 14th roor0 825 57 36ms 18 Dec 2020 14th GrayJoKing 🇦🇺 825 57 38ms 18 Dec 2020 14th OhmNomNom 825 57 34ms 20 Oct 2022 14th Natanaelel 🇸🇪 825 57 35ms 22 Nov 2023 14th ovs-code 🇩🇪 825 57 40ms 8 Jul 2024 22nd maths22 🇺🇸 810 58 34ms 10 Dec 2020 22nd jstanley0 810 58 38ms 12 Dec 2020 22nd jbbarth 🇫🇷 810 58 38ms 9 Aug 2021 25th prplz 🇦🇺 797 59 36ms 8 Dec 2019 25th lynn 797 59 38ms 25 May 2022 25th anter69 🇭🇺 797 59 36ms 25 Jan 2023 25th stefangimmillaro 797 59 35ms 3 Feb 2023 25th D-MOVE 🇵🇭 797 59 36ms 6 Dec 2025 25th blaztoma 🇱🇹 797 59 40ms 20 Dec 2025 25th denkyuu1 797 59 34ms 25 hours ago 32nd TFeld00 🇩🇰 783 60 37ms 7 Jun 2019 32nd Irratix 🇳🇱 783 60 38ms 27 Jun 2022 32nd jared-hughes 783 60 37ms 12 Sep 2022 32nd Shanethegamer 🇺🇸 783 60 37ms 26 Mar 2024 32nd dokutan 783 60 36ms 1 May 2024 32nd DialFrost 🇸🇬 783 60 35ms 19 days ago 38th hiddicop 🇸🇪 770 61 35ms 22 Jan 2021 39th n1LS 758 62 36ms 2 Oct 2019 39th RowdyLemon 758 62 35ms 14 Dec 2020 39th liemvo 🇻🇳 758 62 34ms 7 May 2021 39th KatieLG 🇬🇧 758 62 37ms 2 Oct 2025 39th Lv0Sys 🇵🇱 758 62 39ms 29 Nov 2025 44th brianlwatson 746 63 39ms 9 Dec 2020 44th Waffle3z 746 63 38ms 21 Jan 2021 44th NewDefectus 🇮🇱 746 63 34ms 10 Feb 2021 44th emgordon154 746 63 36ms 17 Nov 2024 44th olleicua 🇺🇸 746 63 39ms 13 Jun 2025 49th biinari 734 64 38ms 25 Mar 2018 49th Ardena 734 64 39ms 11 Dec 2020 49th 4hg 🇺🇸 734 64 37ms 8 Nov 2022 52nd michaelbaudino 723 65 35ms 18 Oct 2020 52nd badboj40 723 65 38ms 14 Feb 2023 52nd kroolp 🇵🇱 723 65 35ms 14 Jul 2024 55th TheZwierzLF 🇵🇱 712 66 36ms 21 Dec 2025 56th takebackfr 701 67 36ms 7 Dec 2021 56th Andriamanitra 🇫🇮 701 67 37ms 21 Jul 2022 56th Haksell 🇦🇶 701 67 37ms 22 Feb 2023 56th tatzyr 🇯🇵 701 67 36ms 30 Nov 2024 56th snoozingnewt 🇨🇦 701 67 34ms 19 days ago 61st acornellier 691 68 38ms 9 Dec 2018 61st tarotaro0 691 68 37ms 2 Oct 2019 61st aydamak 691 68 39ms 15 May 2024 64th robymus 681 69 36ms 18 Sep 2018 64th shraiwi 681 69 34ms 30 Sep 2019 64th FlyingPenguin223 681 69 36ms 2 Nov 2023 67th yzhs 🇩🇪 671 70 36ms 6 Sep 2020 67th james-logan 671 70 37ms 9 Dec 2020 69th dwayneparton 662 71 39ms 13 May 2020 69th aksyristos 662 71 35ms 3 Feb 2023 71st yokasuretsu 644 73 35ms 16 Apr 2018 72nd LostSyntax21 🇬🇧 635 74 35ms 10 Sep 2024 73rd 0xddom 627 75 35ms 18 Dec 2019 74th snltd 618 76 36ms 14 Oct 2019 74th eggplants 🇯🇵 618 76 38ms 26 Nov 2020 76th proton 🇩🇪 610 77 36ms 9 Jun 2020 76th bstrautin 610 77 39ms 12 Jun 2020 76th annaproxy 610 77 35ms 22 Oct 2023 79th segiddins 595 79 36ms 24 Aug 2018 80th hrrs01 588 80 39ms 25 Jan 2018 1–80 of 101 Next Last