Pernicious Numbers in all languages 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 588th JayXon 🇺🇸 926 40 1ms 16 Mar 2023 588th xsot 🇸🇬 926 40 2ms 14 Jul 2023 588th Yewzir 🇧🇪 926 40 2ms 12 Oct 2023 588th Betuaredead 926 40 1ms 11 Nov 2023 588th pardouin 🇫🇷 926 40 2ms 17 Aug 2024 588th JayXon 🇺🇸 926 40 104ms 23 Dec 2024 588th fuzzylojik-golf 🇺🇸 926 40 2ms 1 Jul 2025 588th edsrzf 🇳🇿 926 40 2ms 4 Sep 2025 588th snoozingnewt 🇺🇸 926 40 2ms 20 Oct 2025 610th inventshah 926 42 2ms 9 Sep 2022 610th Lydxn 🇨🇦 926 42 2ms 9 Sep 2022 610th JayXon 🇺🇸 926 42 2ms 10 Sep 2022 610th btnlq 926 42 2ms 10 Sep 2022 610th GrayJoKing 🇦🇺 926 42 2ms 11 Sep 2022 610th m-tkach 🇺🇦 926 42 2ms 25 Oct 2022 610th sean-niemann 🇺🇸 926 42 2ms 3 Nov 2022 610th MeWhenI 🇻🇦 926 42 2ms 5 Nov 2022 610th DialFrost 🇸🇬 926 42 2ms 12 Jan 2023 610th Steffan153 🇫🇮 926 42 2ms 12 Jan 2023 610th Shanethegamer 🇺🇸 926 42 2ms 6 Feb 2023 610th sisyphus-ppcg 🇦🇺 926 42 2ms 23 Mar 2023 610th prplz 🇦🇺 926 42 2ms 23 May 2023 610th ovs-code 🇩🇪 926 42 2ms 17 Jul 2023 610th Yewzir 🇧🇪 926 42 2ms 11 Oct 2023 610th Betuaredead 926 42 2ms 11 Nov 2023 610th dokutan 926 42 2ms 27 Mar 2024 610th pardouin 🇫🇷 926 42 2ms 20 Aug 2024 610th stefangimmillaro 926 42 2ms 30 Sep 2024 610th fuzzylojik-golf 🇺🇸 926 42 2ms 18 Jul 2025 610th edsrzf 🇳🇿 926 42 2ms 22 Jul 2025 610th snoozingnewt 🇺🇸 926 42 2ms 20 Oct 2025 632nd edsrzf 🇳🇿 924 32 660ms 4 Sep 2025 632nd DialFrost 🇸🇬 924 32 661ms 4 Sep 2025 632nd CaedenHarper 🇨🇦 924 32 635ms 9 Sep 2025 632nd sean-niemann 🇺🇸 924 32 651ms 12 Sep 2025 632nd fuzzylojik-golf 🇺🇸 924 32 653ms 22 Sep 2025 632nd snoozingnewt 🇺🇸 924 32 645ms 20 Oct 2025 632nd xsot 🇸🇬 924 32 658ms 20 days ago 632nd Yewzir 🇧🇪 924 32 650ms 18 days ago 640th Lydxn 🇨🇦 924 38 71ms 12 Dec 2022 640th ovs-code 🇩🇪 924 38 69ms 22 Apr 2024 640th DialFrost 🇸🇬 924 38 67ms 27 May 2024 640th sean-niemann 🇺🇸 924 38 67ms 12 Jul 2024 640th Steffan153 🇫🇮 924 38 68ms 13 Jul 2024 640th pardouin 🇫🇷 924 38 67ms 19 Aug 2024 646th JayXon 🇺🇸 923 82 257ms 9 Feb 2021 646th GrayJoKing 🇦🇺 923 82 258ms 9 Feb 2021 646th primo-ppcg 🇹🇭 923 82 257ms 9 Feb 2021 646th sisyphus-ppcg 🇦🇺 923 82 255ms 10 Feb 2021 646th prplz 🇦🇺 923 82 265ms 10 Feb 2021 646th Lydxn 🇨🇦 923 82 259ms 10 Feb 2021 646th NewDefectus 🇮🇱 923 82 256ms 8 May 2021 646th lynn 923 82 265ms 11 Sep 2021 646th akshatj27 🇦🇶 923 82 266ms 11 Jan 2022 646th inventshah 923 82 258ms 11 Sep 2022 646th sean-niemann 🇺🇸 923 82 256ms 3 Nov 2022 646th stefangimmillaro 923 82 264ms 4 Nov 2022 646th MeWhenI 🇻🇦 923 82 257ms 5 Nov 2022 646th emplv 🇱🇻 923 82 255ms 22 Nov 2022 646th Steffan153 🇫🇮 923 82 260ms 26 Nov 2022 646th DialFrost 🇸🇬 923 82 274ms 12 Jan 2023 646th Shanethegamer 🇺🇸 923 82 259ms 6 Feb 2023 646th Yewzir 🇧🇪 923 82 306ms 20 Oct 2023 646th Betuaredead 923 82 258ms 11 Nov 2023 646th kkoenig 923 82 260ms 4 Jan 2024 646th dokutan 923 82 261ms 26 Mar 2024 646th pardouin 🇫🇷 923 82 267ms 18 Aug 2024 646th CaedenHarper 🇨🇦 923 82 262ms 1 Dec 2024 646th emgordon154 923 82 283ms 19 Mar 2025 646th b-illy 🇬🇧 923 82 259ms 5 Jun 2025 646th fuzzylojik-golf 🇺🇸 923 82 261ms 17 Jun 2025 646th edsrzf 🇳🇿 923 82 264ms 22 Jul 2025 646th KasperKivimaeki 🇫🇮 923 82 259ms 29 Sep 2025 646th snoozingnewt 🇺🇸 923 82 270ms 20 Oct 2025 675th HPWiz 🇳🇿 922 36 46ms 12 Mar 2022 First Prev 601–675 of 3,238 Next Last