Evil 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 ><> 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix 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 77th tatzyr 🇯🇵 684 38 35ms 8 Jan 2025 77th ejini6969 684 38 34ms 13 Jun 2025 77th Thinkr1 684 38 34ms 18 days ago 84th n1LS 667 39 35ms 2 Oct 2019 84th ajc2 667 39 33ms 18 Oct 2019 84th AlephSquirrel 667 39 34ms 7 Mar 2023 84th vluyzvg 667 39 35ms 30 Mar 2023 84th LostSyntax21 🇬🇧 667 39 34ms 23 Aug 2024 84th snoozingnewt 🇨🇦 667 39 33ms 14 Sep 2025 90th aydamak 650 40 35ms 15 May 2024 91st robymus 634 41 36ms 17 Sep 2018 92nd biinari 619 42 36ms 27 Mar 2018 92nd adoxography 619 42 35ms 22 Jul 2018 92nd jstanley0 619 42 38ms 12 Dec 2020 92nd rucin93 🇵🇱 619 42 36ms 14 May 2025 92nd Babafaba 619 42 36ms 15 Oct 2025 97th ConorOBrien-Foxx 605 43 38ms 10 Apr 2018 97th nlc 605 43 34ms 11 Apr 2018 97th reireias 605 43 35ms 30 Jul 2019 97th handisb 605 43 36ms 14 Sep 2019 97th mogron 605 43 35ms 13 Dec 2019 97th dwayneparton 605 43 36ms 8 May 2020 97th Michaelncallahan 605 43 37ms 8 May 2020 97th aksyristos 605 43 34ms 31 Jan 2023 97th TheZwierzLF 🇵🇱 605 43 35ms 21 Dec 2025 106th snltd 591 44 34ms 14 Aug 2019 106th sapphyrus 591 44 35ms 18 Feb 2020 106th meenie 591 44 35ms 1 Jan 2021 106th Pluviolithic 591 44 34ms 17 Oct 2023 110th tom-lord 578 45 35ms 8 Nov 2017 110th clupasq 578 45 37ms 3 Feb 2018 110th biji1 578 45 37ms 26 Apr 2018 110th atsushiootani 578 45 35ms 7 Aug 2018 110th 0xddom 578 45 34ms 18 Dec 2019 110th tadd 578 45 35ms 16 Apr 2020 110th Secozzi 578 45 34ms 21 Oct 2020 110th Luj8n 578 45 36ms 12 Nov 2021 110th badboj40 578 45 35ms 14 Feb 2023 119th rlue 565 46 36ms 8 Nov 2017 119th basuneko 565 46 36ms 8 Nov 2017 119th JeremyC-za 565 46 38ms 10 Nov 2017 119th Yytsi 565 46 34ms 14 Mar 2019 119th TFeld00 🇩🇰 565 46 35ms 6 Jun 2019 119th th0rex 565 46 36ms 10 Jun 2019 119th Mir0ff944 565 46 36ms 23 Oct 2019 119th fynnkroeger 565 46 35ms 17 Oct 2022 127th kobaltz 553 47 35ms 8 Nov 2017 127th stevehodges 553 47 36ms 8 Nov 2017 127th iamsolarpowered 553 47 35ms 15 Dec 2017 127th babcockd 553 47 36ms 19 Dec 2017 127th Mikaeel66 553 47 37ms 10 Nov 2019 127th branch14 553 47 37ms 3 Aug 2020 127th maths22 🇺🇸 553 47 35ms 9 Dec 2020 127th HallMatthew314 553 47 35ms 10 Dec 2021 127th Edjyzod 553 47 35ms 3 Oct 2022 136th jacobsmith 542 48 37ms 15 Feb 2018 136th yokasuretsu 542 48 35ms 18 Apr 2018 136th Marcel-Brouette 542 48 38ms 26 Aug 2018 136th jamespeilunli 542 48 35ms 1 May 2022 140th alexkurowski 531 49 35ms 8 Nov 2017 140th Boostik 531 49 36ms 7 Jan 2018 140th chris-arsenault 531 49 36ms 2 Feb 2018 140th caerbannogwhite 531 49 36ms 13 Apr 2018 140th jetpks 531 49 36ms 27 Jun 2019 140th boxjelly 531 49 36ms 12 Feb 2021 140th RustemB 🇷🇺 531 49 36ms 4 May 2021 140th schachmattmatt 531 49 34ms 11 Aug 2021 148th sstadick 520 50 35ms 24 Jan 2018 148th sacthedev 520 50 35ms 3 Apr 2018 148th tsundokul 520 50 34ms 6 Nov 2018 148th atayarani 520 50 37ms 17 Jan 2019 148th Noxilex 520 50 36ms 20 Mar 2019 148th op-ecoprintq 520 50 35ms 31 Jul 2020 148th eggplants 🇯🇵 520 50 36ms 26 Nov 2020 155th san-nat 510 51 34ms 12 Dec 2020 155th frnco 510 51 36ms 2 Jun 2022 155th Krtecik 510 51 37ms 9 Feb 2024 155th Ralac07 🇦🇺 510 51 36ms 4 Jul 2024 159th flavono123 500 52 36ms 15 Jul 2019 159th pandapawskat 500 52 34ms 7 Oct 2021 First Prev 81–160 of 187 Next Last