Pernicious Numbers 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 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial 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 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time 1st prplz 🇦🇺 1,000 28 3 Jan 2020 1st primo-ppcg 🇹🇭 1,000 28 3 Jan 2020 1st stefangimmillaro 1,000 28 11 Dec 2024 1st radarek 🇵🇱 1,000 28 17 Dec 2024 1st pardouin 🇫🇷 1,000 28 12 Apr 2025 6th NewDefectus 🇮🇱 966 29 8 May 2021 6th akshatj27 🇦🇶 966 29 11 Jan 2022 6th m-tkach 🇺🇦 966 29 23 Nov 2022 6th Steffan153 🇫🇮 966 29 1 Jan 2023 6th DialFrost 🇸🇬 966 29 13 Jan 2023 6th sean-niemann 🇺🇸 966 29 29 Jan 2023 6th MeWhenI 🇻🇦 966 29 30 Jan 2023 6th JayXon 🇺🇸 966 29 25 Dec 2023 6th sisyphus-ppcg 🇦🇺 966 29 25 Dec 2023 6th Yewzir 🇧🇪 966 29 25 Dec 2023 6th GrayJoKing 🇦🇺 966 29 26 Dec 2023 6th Lydxn 🇨🇦 966 29 29 Dec 2023 6th xsot 🇸🇬 966 29 30 Dec 2023 6th fuzzylojik-golf 🇺🇸 966 29 30 Aug 2025 20th Waffle3z 933 30 10 Feb 2021 20th lynn 933 30 11 Sep 2021 20th Irratix 🇳🇱 933 30 22 Mar 2022 20th orthoplex 🇨🇽 933 30 30 Mar 2022 20th SirBogman 🇺🇸 933 30 31 May 2022 20th inventshah 933 30 18 Jun 2022 20th jared-hughes 933 30 10 Sep 2022 20th Shanethegamer 🇺🇸 933 30 6 Feb 2023 20th ovs-code 🇩🇪 933 30 17 Jul 2023 20th Betuaredead 933 30 11 Nov 2023 20th dokutan 933 30 26 Mar 2024 20th BREMAUCY 🇫🇷 933 30 14 May 2024 20th FlyingPenguin223 933 30 23 Oct 2024 20th emgordon154 933 30 18 Mar 2025 20th edsrzf 🇳🇿 933 30 26 Jul 2025 20th CaedenHarper 🇨🇦 933 30 22 days ago 36th Natanaelel 🇸🇪 875 32 25 Jun 2022 36th AlephSquirrel 875 32 7 Mar 2023 38th janlelis 848 33 9 Feb 2021 39th Yax42 🇫🇷 824 34 2 days ago 40th annaproxy 757 37 27 Aug 2022 40th OhmNomNom 757 37 15 Oct 2022 42nd Andriamanitra 🇫🇮 737 38 23 Sep 2022 42nd error256 737 38 4 Jun 2024 44th j55d 718 39 11 Dec 2017 45th hiddicop 🇸🇪 700 40 30 Jan 2021 46th olivermrose 🇺🇸 683 41 20 Oct 2021 46th yzhs 🇩🇪 683 41 20 Jul 2022 48th anter69 🇭🇺 667 42 24 Jan 2023 48th rucin93 🇵🇱 667 42 12 Jan 2024 50th tatzyr 🇯🇵 636 44 28 Mar 2025 51st proton 🇩🇪 622 45 9 Jun 2020 51st KatieLG 🇬🇧 622 45 10 Apr 2022 51st 4hg 🇺🇸 622 45 20 Oct 2022 51st janbehrens 🇩🇪 622 45 27 Nov 2022 55th daninnm 609 46 23 Jul 2021 56th gilufin 596 47 8 Aug 2021 56th fynnkroeger 596 47 17 Apr 2023 58th Haksell 🇦🇶 583 48 13 Apr 2020 58th jaredcrystal 🇺🇸 583 48 14 Dec 2020 58th ejini6969 583 48 14 Jun 2025 61st sk- 571 49 12 Sep 2019 61st eggplants 🇯🇵 571 49 26 Nov 2020 61st Lv0Sys 🇵🇱 571 49 26 May 2025 64th n1LS 560 50 2 Oct 2019 65th biinari 549 51 25 Mar 2018 66th boxjelly 509 55 9 Feb 2021 66th csharpython 509 55 5 Aug 2025 68th vonagam 500 56 8 Nov 2017 68th hrrs01 500 56 26 Sep 2018 68th tadd 500 56 16 Apr 2020 68th Pluviolithic 500 56 23 Jul 2025 72nd iamsolarpowered 491 57 15 Dec 2017 72nd graft 491 57 11 Mar 2018 74th yokasuretsu 483 58 16 Apr 2018 74th reireias 483 58 30 Jul 2019 1–75 of 115 Next Last