Divisors 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 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 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Chars Time 70th proton 🇩🇪 854 48 1 Jun 2020 70th 4hg 🇺🇸 854 48 19 Jul 2022 70th ls-samer-abuthaher 854 48 7 Oct 2022 70th LostSyntax21 🇬🇧 854 48 22 Aug 2024 80th caerbannogwhite 837 49 13 Apr 2018 80th shinh 837 49 8 Jun 2018 80th mgergi 837 49 29 Oct 2018 80th tsundokul 837 49 6 Nov 2018 80th gorbit99 837 49 31 Mar 2019 80th th0rex 837 49 10 Jun 2019 80th snltd 837 49 14 Aug 2019 80th ajc2 837 49 18 Oct 2019 80th fynnkroeger 837 49 10 Jan 2021 80th fitzdotlol 🇺🇸 837 49 24 May 2021 80th Lv0Sys 🇵🇱 837 49 27 May 2025 91st sk- 820 50 12 Sep 2019 91st NewDefectus 🇮🇱 820 50 23 May 2021 93rd Mir0ff944 804 51 15 Nov 2019 93rd wasabi-avalanches 804 51 6 Apr 2024 95th graft 788 52 11 Mar 2018 96th BrenSchaap 774 53 11 Nov 2021 96th HallMatthew314 774 53 5 Dec 2021 96th yzhs 🇩🇪 774 53 20 Jul 2022 96th purp 774 53 11 Aug 2022 96th FnControlOption 774 53 21 Aug 2022 96th Pluviolithic 774 53 20 Oct 2023 102nd biinari 759 54 18 Mar 2018 102nd biji1 759 54 26 Apr 2018 102nd bbakersmith 759 54 15 Jul 2021 102nd lbrito1 759 54 8 Jan 2022 102nd galloj 🇨🇿 759 54 26 May 2022 102nd Crackson4 759 54 12 Aug 2023 102nd dokutan 759 54 23 Mar 2024 102nd HumanoidCPU 759 54 1 Aug 2024 110th jamespeilunli 745 55 1 May 2022 111th hrrs01 732 56 26 Sep 2018 111th sapphyrus 732 56 9 Jun 2019 111th danini-the-panini 732 56 27 Aug 2019 111th tadd 732 56 16 Apr 2020 111th shibacho 🇯🇵 732 56 30 Mar 2022 111th snoozingnewt 🇺🇸 732 56 5 Oct 2023 111th Ralac07 🇦🇺 732 56 17 Jun 2024 118th bethdebelak 719 57 11 Mar 2018 118th atayarani 719 57 15 Jan 2019 118th CaAlden 719 57 9 May 2019 121st jetpks 707 58 27 Jun 2019 122nd segiddins 695 59 24 Aug 2018 122nd Noxilex 695 59 20 Mar 2019 122nd handisb 695 59 18 Oct 2019 122nd Michaelncallahan 695 59 30 Apr 2020 126th JKHiggins 683 60 28 Mar 2018 126th yokasuretsu 683 60 19 Apr 2018 128th sacthedev 672 61 3 Apr 2018 128th nlc 672 61 11 Apr 2018 130th jacobsmith 661 62 15 Feb 2018 130th yrral86 661 62 9 Mar 2018 130th drkameleon 🇪🇸 661 62 28 Jan 2020 133rd clupasq 651 63 3 Feb 2018 133rd olliebaum 651 63 12 Jul 2018 133rd ni3t 651 63 12 Dec 2018 133rd ridingqwerty 🇺🇸 651 63 12 Jul 2022 137th ted 631 65 17 Apr 2018 137th shellbertt 🇨🇦 631 65 14 May 2021 139th chris-arsenault 621 66 2 Feb 2018 139th brianlwatson 621 66 11 Apr 2019 139th san-nat 621 66 3 Mar 2021 139th schachmattmatt 621 66 11 Aug 2021 143rd ninjawarrior1337 603 68 30 Nov 2021 144th DanDobrick 586 70 23 Feb 2018 144th dCSeven 586 70 21 Mar 2019 144th dymowski 586 70 15 Jul 2019 147th ptarjan 577 71 25 Mar 2018 147th alabhyajindal 577 71 3 Apr 2025 149th msbranicky 569 72 7 Sep 2023 150th jngbsn 562 73 26 Jun 2020 Prev 76–150 of 167 Next