Evil Numbers in Ruby in bytes. 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Hilbert Curve Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 71st ejini6969 711 38 13 Jun 2025 77th n1LS 692 39 2 Oct 2019 77th ajc2 692 39 18 Oct 2019 77th AlephSquirrel 692 39 7 Mar 2023 77th vluyzvg 692 39 30 Mar 2023 77th LostSyntax21 🇬🇧 692 39 23 Aug 2024 77th Lv0Sys 🇵🇱 692 39 26 May 2025 83rd aydamak 675 40 15 May 2024 84th robymus 659 41 17 Sep 2018 85th biinari 643 42 27 Mar 2018 85th adoxography 643 42 22 Jul 2018 85th jstanley0 643 42 12 Dec 2020 85th rucin93 🇵🇱 643 42 14 May 2025 89th ConorOBrien-Foxx 628 43 10 Apr 2018 89th nlc 628 43 11 Apr 2018 89th reireias 628 43 30 Jul 2019 89th handisb 628 43 14 Sep 2019 89th mogron 628 43 13 Dec 2019 89th dwayneparton 628 43 8 May 2020 89th Michaelncallahan 628 43 8 May 2020 89th aksyristos 628 43 31 Jan 2023 97th snltd 614 44 14 Aug 2019 97th sapphyrus 614 44 18 Feb 2020 97th meenie 614 44 1 Jan 2021 97th Pluviolithic 614 44 17 Oct 2023 101st tom-lord 600 45 8 Nov 2017 101st clupasq 600 45 3 Feb 2018 101st biji1 600 45 26 Apr 2018 101st atsushiootani 600 45 7 Aug 2018 101st 0xddom 600 45 18 Dec 2019 101st tadd 600 45 16 Apr 2020 101st Secozzi 600 45 21 Oct 2020 101st Luj8n 600 45 12 Nov 2021 101st badboj40 600 45 14 Feb 2023 110th rlue 587 46 8 Nov 2017 110th basuneko 587 46 8 Nov 2017 110th JeremyC-za 587 46 10 Nov 2017 110th Yytsi 587 46 14 Mar 2019 110th TFeld00 🇩🇰 587 46 6 Jun 2019 110th th0rex 587 46 10 Jun 2019 110th Mir0ff944 587 46 23 Oct 2019 110th fynnkroeger 587 46 17 Oct 2022 118th kobaltz 574 47 8 Nov 2017 118th stevehodges 574 47 8 Nov 2017 118th iamsolarpowered 574 47 15 Dec 2017 118th babcockd 574 47 19 Dec 2017 118th Mikaeel66 574 47 10 Nov 2019 118th branch14 574 47 3 Aug 2020 118th maths22 🇺🇸 574 47 9 Dec 2020 118th HallMatthew314 574 47 10 Dec 2021 118th Edjyzod 574 47 3 Oct 2022 127th jacobsmith 563 48 15 Feb 2018 127th yokasuretsu 563 48 18 Apr 2018 127th Marcel-Brouette 563 48 26 Aug 2018 127th jamespeilunli 563 48 1 May 2022 131st alexkurowski 551 49 8 Nov 2017 131st Boostik 551 49 7 Jan 2018 131st chris-arsenault 551 49 2 Feb 2018 131st caerbannogwhite 551 49 13 Apr 2018 131st jetpks 551 49 27 Jun 2019 131st boxjelly 551 49 12 Feb 2021 131st RustemB 🇷🇺 551 49 4 May 2021 131st schachmattmatt 551 49 11 Aug 2021 139th sstadick 540 50 24 Jan 2018 139th sacthedev 540 50 3 Apr 2018 139th tsundokul 540 50 6 Nov 2018 139th atayarani 540 50 17 Jan 2019 139th Noxilex 540 50 20 Mar 2019 139th op-ecoprintq 540 50 31 Jul 2020 139th eggplants 🇯🇵 540 50 26 Nov 2020 146th san-nat 529 51 12 Dec 2020 146th frnco 529 51 2 Jun 2022 146th Krtecik 529 51 9 Feb 2024 146th Ralac07 🇦🇺 529 51 4 Jul 2024 150th flavono123 519 52 15 Jul 2019 Prev 76–150 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