Pernicious Numbers 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 prplz 🇦🇺 1,000 28 35ms 3 Jan 2020 1st primo-ppcg 🇹🇭 1,000 28 35ms 3 Jan 2020 1st stefangimmillaro 1,000 28 34ms 11 Dec 2024 1st radarek 🇵🇱 1,000 28 35ms 17 Dec 2024 1st pardouin 🇫🇷 1,000 28 37ms 12 Apr 2025 1st Steffan153 🇫🇮 1,000 28 41ms 12 days ago 7th NewDefectus 🇮🇱 966 29 38ms 8 May 2021 7th akshatj27 🇦🇶 966 29 36ms 11 Jan 2022 7th m-tkach 🇺🇦 966 29 37ms 23 Nov 2022 7th DialFrost 🇸🇬 966 29 36ms 13 Jan 2023 7th sean-niemann 🇺🇸 966 29 37ms 29 Jan 2023 7th MeWhenI 🇻🇦 966 29 37ms 30 Jan 2023 7th JayXon 🇺🇸 966 29 35ms 25 Dec 2023 7th sisyphus-ppcg 🇦🇺 966 29 39ms 25 Dec 2023 7th Yewzir 🇧🇪 966 29 32ms 25 Dec 2023 7th GrayJoKing 🇦🇺 966 29 34ms 26 Dec 2023 7th Lydxn 🇨🇦 966 29 38ms 29 Dec 2023 7th xsot 🇸🇬 966 29 32ms 30 Dec 2023 7th fuzzylojik-golf 🇺🇸 966 29 38ms 30 Aug 2025 7th snoozingnewt 🇨🇦 966 29 36ms 3 Dec 2025 7th GolfingSuccess 🇬🇷 966 29 32ms 6 days ago 22nd Waffle3z 933 30 33ms 10 Feb 2021 22nd lynn 933 30 35ms 11 Sep 2021 22nd Irratix 🇳🇱 933 30 34ms 22 Mar 2022 22nd orthoplex 🇨🇽 933 30 36ms 30 Mar 2022 22nd SirBogman 🇺🇸 933 30 33ms 31 May 2022 22nd inventshah 933 30 36ms 18 Jun 2022 22nd jared-hughes 933 30 34ms 10 Sep 2022 22nd Shanethegamer 🇺🇸 933 30 34ms 6 Feb 2023 22nd ovs-code 🇩🇪 933 30 36ms 17 Jul 2023 22nd Betuaredead 933 30 35ms 11 Nov 2023 22nd dokutan 933 30 37ms 26 Mar 2024 22nd BREMAUCY 🇫🇷 933 30 34ms 14 May 2024 22nd FlyingPenguin223 933 30 35ms 23 Oct 2024 22nd emgordon154 933 30 36ms 18 Mar 2025 22nd edsrzf 🇳🇿 933 30 36ms 26 Jul 2025 22nd CaedenHarper 🇨🇦 933 30 34ms 13 Sep 2025 22nd blaztoma 🇱🇹 933 30 35ms 19 Dec 2025 39th Natanaelel 🇸🇪 903 31 32ms 15 days ago 40th AlephSquirrel 875 32 36ms 7 Mar 2023 41st janlelis 848 33 41ms 9 Feb 2021 42nd Yax42 🇫🇷 824 34 37ms 4 Oct 2025 43rd annaproxy 757 37 35ms 27 Aug 2022 43rd OhmNomNom 757 37 36ms 15 Oct 2022 43rd error256 757 37 35ms 24 Dec 2025 43rd denkyuu1 757 37 35ms 3 days ago 47th Andriamanitra 🇫🇮 737 38 35ms 23 Sep 2022 48th j55d 718 39 38ms 11 Dec 2017 49th hiddicop 🇸🇪 700 40 34ms 30 Jan 2021 50th olivermrose 🇺🇸 683 41 34ms 20 Oct 2021 50th yzhs 🇩🇪 683 41 34ms 20 Jul 2022 50th Lv0Sys 🇵🇱 683 41 36ms 28 Nov 2025 53rd anter69 🇭🇺 667 42 35ms 24 Jan 2023 53rd rucin93 🇵🇱 667 42 34ms 12 Jan 2024 55th tatzyr 🇯🇵 636 44 35ms 28 Mar 2025 56th proton 🇩🇪 622 45 35ms 9 Jun 2020 56th KatieLG 🇬🇧 622 45 34ms 10 Apr 2022 56th 4hg 🇺🇸 622 45 35ms 20 Oct 2022 56th janbehrens 🇩🇪 622 45 39ms 27 Nov 2022 60th daninnm 609 46 34ms 23 Jul 2021 60th Babafaba 609 46 35ms 15 Oct 2025 62nd gilufin 596 47 37ms 8 Aug 2021 62nd fynnkroeger 596 47 34ms 17 Apr 2023 64th Haksell 🇦🇶 583 48 37ms 13 Apr 2020 64th jaredcrystal 🇺🇸 583 48 34ms 14 Dec 2020 64th ejini6969 583 48 39ms 14 Jun 2025 67th sk- 571 49 33ms 12 Sep 2019 67th eggplants 🇯🇵 571 49 34ms 26 Nov 2020 69th n1LS 560 50 34ms 2 Oct 2019 70th biinari 549 51 35ms 25 Mar 2018 71st boxjelly 509 55 34ms 9 Feb 2021 71st csharpython 509 55 40ms 5 Aug 2025 73rd vonagam 500 56 42ms 8 Nov 2017 73rd hrrs01 500 56 41ms 26 Sep 2018 73rd tadd 500 56 40ms 16 Apr 2020 73rd Pluviolithic 500 56 38ms 23 Jul 2025 77th iamsolarpowered 491 57 35ms 15 Dec 2017 77th graft 491 57 40ms 11 Mar 2018 79th yokasuretsu 483 58 47ms 16 Apr 2018 79th reireias 483 58 34ms 30 Jul 2019 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