All holes in Ruby in bytes. 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 ><> 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 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 ><> 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 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 Holes Points Bytes Submitted 561st mothcolada 🇺🇸 8 719 7,142 26 May 2021 562nd TheAristos 5 716 4,142 11 Dec 2019 563rd lowlighter 1 714 35 1 Nov 2020 563rd cefqrn 1 714 35 26 May 2024 565th croc54 1 714 49 10 Dec 2024 566th lux9 1 714 70 5 Oct 2020 566th No-Jons 1 714 70 27 Oct 2020 566th Xyberista 1 714 70 29 Mar 2021 566th dylanarmstrong 1 714 70 18 Dec 2023 566th TheDrawingCoder-Gamer 1 714 70 2 Jul 2025 571st yrral86 1 710 62 9 Mar 2018 571st drkameleon 🇪🇸 1 710 62 28 Jan 2020 573rd volpi-m 🇫🇷 2 709 2,466 19 Mar 2024 574th germania 1 704 71 4 Jan 2020 574th c99zealot 1 704 71 1 Aug 2020 574th SpeedyNinja 1 704 71 20 Oct 2020 574th techeverri 1 704 71 21 Apr 2022 574th DxSper 1 704 71 16 Feb 2024 579th vrnprkh 1 700 70 30 Mar 2023 580th olliebaum 1 698 63 12 Jul 2018 581st RaBa21 🇭🇺 2 698 1,788 40 hours ago 582nd amazingalek 🇳🇴 1 694 72 18 Dec 2025 583rd roguh 🇬🇹 1 688 48 14 Jan 2024 584th rachelambda 1 685 73 7 Jun 2020 584th mwarvik 🇳🇴 1 685 73 16 Dec 2025 586th DragonaireM 1 677 62 6 Feb 2023 586th arctouch-cristiannevianna 1 677 62 20 Oct 2023 588th ted 1 677 65 17 Apr 2018 589th 5quiwyrm 1 676 37 31 Aug 2022 590th aglahir1 1 676 74 5 Nov 2021 591st joshuaballoch 1 675 292 15 Jan 2020 592nd gfund 1 674 46 5 Oct 2022 593rd dymowski 2 671 1,078 15 Jul 2019 594th tomh1012 2 670 268 5 days ago 595th jvargas6_ncstate 1 667 60 24 days ago 595th josev814 1 667 60 24 days ago 597th DmitryArtyomov 1 667 75 25 Apr 2020 598th MichalMarsalek 🇨🇿 2 667 1,048 2 Sep 2022 599th murcielago09z 1 660 50 11 Aug 2025 600th Pyroan 1 658 38 17 Dec 2025 601st MichaelWarnecke 1 658 76 27 Apr 2020 601st Cobrabb 1 658 76 7 Oct 2021 603rd 0dyse 1 656 61 6 May 2025 604th Indivicivet 1 650 60 30 Mar 2021 605th polyrtm 1 644 45 29 Mar 2023 606th angetheo 1 641 39 19 Jan 2018 606th okkun-oreo 1 641 39 2 Nov 2020 606th TheRealOhead 🇺🇸 1 641 39 24 Nov 2022 606th Maximizer02 1 641 39 17 Sep 2025 610th martynas-sm 1 641 78 13 Apr 2021 611th llwwns 1 636 143 1 May 2023 612th th1rt3en 1 633 49 13 May 2018 613th dCSeven 1 629 70 21 Mar 2019 614th Heathcorp 🇦🇺 1 625 40 26 Nov 2022 615th Shirish111 1 625 80 12 Sep 2019 615th torokmark 1 625 80 17 Nov 2019 615th javmorin 1 625 80 17 May 2020 615th CodeF53 1 625 80 6 Mar 2025 619th Zach1031 2 624 354 15 Nov 2025 620th ptarjan 1 620 71 25 Mar 2018 620th alabhyajindal 1 620 71 3 Apr 2025 622nd anna328p 1 617 81 22 Feb 2019 622nd elisherer 🇮🇱 1 617 81 3 Apr 2019 624th SpareManiKatti 3 611 2,163 19 Apr 2022 625th jacobmichaelis 1 610 82 27 May 2022 625th TEdFlow18 1 610 82 2 Jan 2023 627th domgetter 1 608 51 10 Jun 2020 628th nico-bachner 2 605 2,434 28 Dec 2020 629th rtmacaibay 1 602 83 28 Mar 2020 630th p-vf 🇨🇭 1 600 55 25 Oct 2021 631st genius257 1 595 84 29 Mar 2018 631st joesenova 1 595 84 26 Apr 2018 633rd youchan 1 588 85 16 Dec 2018 634th basuneko 1 587 46 8 Nov 2017 635th alexandre-lavoie 1 581 86 30 Jul 2020 635th kjeldahl 1 581 86 4 Nov 2020 635th ratPoopert 1 581 86 31 Jan 2023 638th julioolvr 1 575 87 1 Aug 2020 638th 5si 1 575 87 2 Nov 2020 640th Mikaeel66 1 574 47 10 Nov 2019 First Prev 561–640 of 815 Next Last