All holes 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Holes Points Bytes Time 524th Xyberista 1 714 70 29 Mar 2021 524th dylanarmstrong 1 714 70 18 Dec 2023 528th yrral86 1 710 62 9 Mar 2018 528th drkameleon 🇪🇸 1 710 62 28 Jan 2020 530th volpi-m 🇫🇷 2 709 2,466 19 Mar 2024 531st germania 1 704 71 4 Jan 2020 531st c99zealot 1 704 71 1 Aug 2020 531st SpeedyNinja 1 704 71 20 Oct 2020 531st techeverri 1 704 71 21 Apr 2022 531st DxSper 1 704 71 16 Feb 2024 536th vrnprkh 1 700 70 30 Mar 2023 537th olliebaum 1 698 63 12 Jul 2018 538th roguh 🇬🇹 1 688 48 14 Jan 2024 539th rachelambda 1 685 73 7 Jun 2020 540th DragonaireM 1 677 62 6 Feb 2023 540th arctouch-cristiannevianna 1 677 62 20 Oct 2023 542nd ted 1 677 65 17 Apr 2018 543rd 5quiwyrm 1 676 37 31 Aug 2022 544th aglahir1 1 676 74 5 Nov 2021 545th joshuaballoch 1 675 292 15 Jan 2020 546th gfund 1 674 46 5 Oct 2022 547th dymowski 2 671 1,078 15 Jul 2019 548th DmitryArtyomov 1 667 75 25 Apr 2020 549th MichalMarsalek 🇨🇿 2 667 1,048 2 Sep 2022 550th MichaelWarnecke 1 658 76 27 Apr 2020 550th Cobrabb 1 658 76 7 Oct 2021 552nd polyrtm 1 644 45 29 Mar 2023 553rd angetheo 1 641 39 19 Jan 2018 553rd okkun-oreo 1 641 39 2 Nov 2020 553rd TheRealOhead 🇺🇸 1 641 39 24 Nov 2022 556th martynas-sm 1 641 78 13 Apr 2021 557th llwwns 1 636 143 1 May 2023 558th th1rt3en 1 633 49 13 May 2018 559th dCSeven 1 629 70 21 Mar 2019 560th Heathcorp 🇦🇺 1 625 40 26 Nov 2022 561st Shirish111 1 625 80 12 Sep 2019 561st torokmark 1 625 80 17 Nov 2019 561st javmorin 1 625 80 17 May 2020 561st CodeF53 1 625 80 6 Mar 2025 565th ptarjan 1 620 71 25 Mar 2018 565th alabhyajindal 1 620 71 15 days ago 567th anna328p 1 617 81 22 Feb 2019 567th elisherer 🇮🇱 1 617 81 3 Apr 2019 569th SpareManiKatti 3 611 2,163 19 Apr 2022 570th jacobmichaelis 1 610 82 27 May 2022 570th TEdFlow18 1 610 82 2 Jan 2023 572nd trinityy-7 1 609 69 14 Mar 2024 573rd domgetter 1 608 51 10 Jun 2020 574th nico-bachner 2 605 2,434 28 Dec 2020 575th rtmacaibay 1 602 83 28 Mar 2020 576th p-vf 🇨🇭 1 600 55 25 Oct 2021 577th genius257 1 595 84 29 Mar 2018 577th joesenova 1 595 84 26 Apr 2018 579th youchan 1 588 85 16 Dec 2018 580th basuneko 1 587 46 8 Nov 2017 581st alexandre-lavoie 1 581 86 30 Jul 2020 581st kjeldahl 1 581 86 4 Nov 2020 581st ratPoopert 1 581 86 31 Jan 2023 584th julioolvr 1 575 87 1 Aug 2020 584th 5si 1 575 87 2 Nov 2020 586th Mikaeel66 1 574 47 10 Nov 2019 586th Edjyzod 1 574 47 3 Oct 2022 588th lightgeb 2 571 474 27 Oct 2023 589th neihousaigaai 1 570 93 13 Feb 2024 590th etzrxd 1 569 153 25 Aug 2023 591st martica 1 568 44 20 May 2018 591st Maximizer02 1 568 44 1 Oct 2023 593rd Marcel-Brouette 1 563 48 26 Aug 2018 594th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 594th hacker112 🇸🇪 1 556 45 1 Jul 2024 596th alexkurowski 1 551 49 8 Nov 2017 597th ngocbd 🇻🇳 1 549 71 31 Aug 2021 598th BuoyantPigeon 1 543 92 10 Aug 2019 599th jthorup84 1 541 109 22 Nov 2017 600th sstadick 1 540 50 24 Jan 2018 Prev 526–600 of 762 Next