Christmas Trees in Ruby in chars. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Maze Medal Tally 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 F# Factor Forth Fortran Go GolfScript Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Rockstar 2 Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 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 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 Maze Medal Tally 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 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 Rule 110 Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Time Distance Tongue-twisters Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot NFA Simulator Odd Polyomino Tiling p-adic Expansion Partition Numbers Placeholder QR Encoder Quadratic Formula Semiprime Numbers Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle # Golfer Points Chars Time 1st primo-ppcg 🇹🇭 1,000 47 20 Aug 2019 1st Lydxn 🇨🇦 1,000 47 29 Aug 2022 3rd sisyphus-ppcg 🇦🇺 979 48 24 Mar 2022 4th nwellnhof 🇩🇪 887 53 28 Dec 2021 4th radarek 🇵🇱 887 53 13 days ago 6th MeWhenI 🇻🇦 870 54 1 Jul 2022 6th Steffan153 🇫🇮 870 54 29 Aug 2024 6th janlelis 870 54 21 Sep 2024 9th JayXon 🇺🇸 855 55 2 Oct 2021 10th xiBread 🇺🇸 839 56 7 Oct 2021 11th han-yan 825 57 12 Dec 2020 11th jaredcrystal 🇺🇸 825 57 14 Dec 2020 11th simonista 825 57 15 Dec 2020 11th roor0 825 57 18 Dec 2020 11th GrayJoKing 🇦🇺 825 57 18 Dec 2020 11th SirBogman 🇺🇸 825 57 21 May 2022 11th OhmNomNom 825 57 20 Oct 2022 11th Natanaelel 🇸🇪 825 57 22 Nov 2023 11th ovs-code 🇩🇪 825 57 8 Jul 2024 20th maths22 🇺🇸 810 58 10 Dec 2020 20th jstanley0 810 58 12 Dec 2020 20th jbbarth 🇫🇷 810 58 9 Aug 2021 23rd prplz 🇦🇺 797 59 8 Dec 2019 23rd lynn 797 59 25 May 2022 23rd anter69 🇭🇺 797 59 25 Jan 2023 23rd stefangimmillaro 797 59 3 Feb 2023 27th TFeld00 🇩🇰 783 60 7 Jun 2019 27th Irratix 🇳🇱 783 60 27 Jun 2022 27th jared-hughes 783 60 12 Sep 2022 27th Shanethegamer 🇺🇸 783 60 26 Mar 2024 27th dokutan 783 60 1 May 2024 32nd hiddicop 🇸🇪 770 61 22 Jan 2021 32nd DialFrost 🇸🇬 770 61 11 Feb 2023 34th n1LS 758 62 2 Oct 2019 34th RowdyLemon 758 62 14 Dec 2020 34th liemvo 🇻🇳 758 62 7 May 2021 37th brianlwatson 746 63 9 Dec 2020 37th Waffle3z 746 63 21 Jan 2021 37th NewDefectus 🇮🇱 746 63 10 Feb 2021 37th sean-niemann 🇺🇸 746 63 15 Oct 2023 37th emgordon154 746 63 17 Nov 2024 42nd biinari 734 64 25 Mar 2018 42nd Ardena 734 64 11 Dec 2020 42nd 4hg 🇺🇸 734 64 8 Nov 2022 42nd olleicua 🇺🇸 734 64 23 Dec 2023 46th michaelbaudino 723 65 18 Oct 2020 46th KatieLG 🇬🇧 723 65 18 May 2021 46th badboj40 723 65 14 Feb 2023 46th kroolp 🇵🇱 723 65 14 Jul 2024 50th takebackfr 701 67 7 Dec 2021 50th Andriamanitra 🇫🇮 701 67 21 Jul 2022 50th Haksell 🇦🇶 701 67 22 Feb 2023 50th tatzyr 🇯🇵 701 67 24 days ago 54th acornellier 691 68 9 Dec 2018 54th tarotaro0 691 68 2 Oct 2019 54th aydamak 691 68 15 May 2024 57th robymus 681 69 18 Sep 2018 57th shraiwi 681 69 30 Sep 2019 57th FlyingPenguin223 681 69 2 Nov 2023 60th yzhs 🇩🇪 671 70 6 Sep 2020 60th james-logan 671 70 9 Dec 2020 62nd dwayneparton 662 71 13 May 2020 62nd aksyristos 662 71 3 Feb 2023 64th yokasuretsu 644 73 16 Apr 2018 65th NicknamedTwice 🇲🇨 635 74 10 Sep 2024 66th 0xddom 627 75 18 Dec 2019 67th snltd 618 76 14 Oct 2019 67th eggplants 🇯🇵 618 76 26 Nov 2020 69th proton 🇩🇪 610 77 9 Jun 2020 69th bstrautin 610 77 12 Jun 2020 69th annaproxy 610 77 22 Oct 2023 72nd segiddins 595 79 24 Aug 2018 72nd snoozingnewt 🇺🇸 595 79 4 Nov 2023 74th hrrs01 588 80 25 Jan 2018 75th adoxography 580 81 1 Jun 2018 1–75 of 93 Next