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 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 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 Calendar 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Calendar 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 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 31ms 20 Aug 2019 1st Lydxn 🇨🇦 1,000 47 34ms 29 Aug 2022 3rd sisyphus-ppcg 🇦🇺 979 48 32ms 24 Mar 2022 4th nwellnhof 🇩🇪 887 53 34ms 28 Dec 2021 4th radarek 🇵🇱 887 53 37ms 11 Dec 2024 4th pardouin 🇫🇷 887 53 46ms 1 Sep 2025 7th MeWhenI 🇻🇦 870 54 55ms 1 Jul 2022 7th Steffan153 🇫🇮 870 54 74ms 29 Aug 2024 7th janlelis 870 54 39ms 21 Sep 2024 7th sean-niemann 🇺🇸 870 54 57ms 7 Aug 2025 11th JayXon 🇺🇸 855 55 38ms 2 Oct 2021 12th olivermrose 🇺🇸 839 56 35ms 7 Oct 2021 12th SirBogman 🇺🇸 839 56 34ms 15 Jan 2025 14th han-yan 825 57 36ms 12 Dec 2020 14th jaredcrystal 🇺🇸 825 57 36ms 14 Dec 2020 14th simonista 825 57 31ms 15 Dec 2020 14th roor0 825 57 33ms 18 Dec 2020 14th GrayJoKing 🇦🇺 825 57 35ms 18 Dec 2020 14th OhmNomNom 825 57 36ms 20 Oct 2022 14th Natanaelel 🇸🇪 825 57 34ms 22 Nov 2023 14th ovs-code 🇩🇪 825 57 32ms 8 Jul 2024 22nd maths22 🇺🇸 810 58 35ms 10 Dec 2020 22nd jstanley0 810 58 35ms 12 Dec 2020 22nd jbbarth 🇫🇷 810 58 34ms 9 Aug 2021 25th prplz 🇦🇺 797 59 32ms 8 Dec 2019 25th lynn 797 59 35ms 25 May 2022 25th anter69 🇭🇺 797 59 44ms 25 Jan 2023 25th stefangimmillaro 797 59 38ms 3 Feb 2023 29th TFeld00 🇩🇰 783 60 37ms 7 Jun 2019 29th Irratix 🇳🇱 783 60 34ms 27 Jun 2022 29th jared-hughes 783 60 35ms 12 Sep 2022 29th Shanethegamer 🇺🇸 783 60 36ms 26 Mar 2024 29th dokutan 783 60 38ms 1 May 2024 34th hiddicop 🇸🇪 770 61 35ms 22 Jan 2021 34th DialFrost 🇸🇬 770 61 35ms 11 Feb 2023 36th n1LS 758 62 34ms 2 Oct 2019 36th RowdyLemon 758 62 35ms 14 Dec 2020 36th liemvo 🇻🇳 758 62 34ms 7 May 2021 36th KatieLG 🇬🇧 758 62 41ms 2 Oct 2025 36th Lv0Sys 🇵🇱 758 62 31ms 2 days ago 41st brianlwatson 746 63 52ms 9 Dec 2020 41st Waffle3z 746 63 37ms 21 Jan 2021 41st NewDefectus 🇮🇱 746 63 35ms 10 Feb 2021 41st emgordon154 746 63 37ms 17 Nov 2024 41st olleicua 🇺🇸 746 63 36ms 13 Jun 2025 46th biinari 734 64 55ms 25 Mar 2018 46th Ardena 734 64 44ms 11 Dec 2020 46th 4hg 🇺🇸 734 64 49ms 8 Nov 2022 49th michaelbaudino 723 65 35ms 18 Oct 2020 49th badboj40 723 65 39ms 14 Feb 2023 49th kroolp 🇵🇱 723 65 37ms 14 Jul 2024 52nd takebackfr 701 67 33ms 7 Dec 2021 52nd Andriamanitra 🇫🇮 701 67 48ms 21 Jul 2022 52nd Haksell 🇦🇶 701 67 36ms 22 Feb 2023 52nd tatzyr 🇯🇵 701 67 35ms 30 Nov 2024 56th acornellier 691 68 39ms 9 Dec 2018 56th tarotaro0 691 68 33ms 2 Oct 2019 56th aydamak 691 68 47ms 15 May 2024 59th robymus 681 69 32ms 18 Sep 2018 59th shraiwi 681 69 31ms 30 Sep 2019 59th FlyingPenguin223 681 69 34ms 2 Nov 2023 62nd yzhs 🇩🇪 671 70 36ms 6 Sep 2020 62nd james-logan 671 70 36ms 9 Dec 2020 64th dwayneparton 662 71 50ms 13 May 2020 64th aksyristos 662 71 41ms 3 Feb 2023 66th yokasuretsu 644 73 48ms 16 Apr 2018 67th LostSyntax21 🇬🇧 635 74 35ms 10 Sep 2024 68th 0xddom 627 75 43ms 18 Dec 2019 69th snltd 618 76 31ms 14 Oct 2019 69th eggplants 🇯🇵 618 76 44ms 26 Nov 2020 71st proton 🇩🇪 610 77 32ms 9 Jun 2020 71st bstrautin 610 77 42ms 12 Jun 2020 71st annaproxy 610 77 46ms 22 Oct 2023 74th segiddins 595 79 32ms 24 Aug 2018 74th snoozingnewt 🇺🇸 595 79 32ms 4 Nov 2023 1–75 of 96 Next Last