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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Holes Points Bytes Submitted 561st aliakseikalosha 1 735 68 22 Apr 2022 561st ivanb-bit 1 735 68 31 Dec 2025 563rd declank 1 735 117 2 Mar 2026 564th bstrautin 1 727 77 12 Jun 2020 565th dunghopper 1 726 106 26 Oct 2023 566th rholliday 2 726 283 2 Mar 2021 567th McTano 1 725 69 17 Nov 2020 567th peculiarination 1 725 69 3 May 2021 569th dvargas46 🇺🇸 1 723 119 26 Mar 2022 570th mothcolada 🇺🇸 8 719 7,142 26 May 2021 571st TheAristos 5 716 4,142 11 Dec 2019 572nd lowlighter 1 714 35 1 Nov 2020 572nd cefqrn 1 714 35 26 May 2024 574th croc54 1 714 49 10 Dec 2024 575th lux9 1 714 70 5 Oct 2020 575th No-Jons 1 714 70 27 Oct 2020 575th Xyberista 1 714 70 29 Mar 2021 575th dylanarmstrong 1 714 70 18 Dec 2023 575th TheDrawingCoder-Gamer 1 714 70 2 Jul 2025 580th yrral86 1 710 62 9 Mar 2018 580th drkameleon 🇪🇸 1 710 62 28 Jan 2020 582nd volpi-m 🇫🇷 2 709 2,466 19 Mar 2024 583rd germania 1 704 71 4 Jan 2020 583rd c99zealot 1 704 71 1 Aug 2020 583rd SpeedyNinja 1 704 71 20 Oct 2020 583rd techeverri 1 704 71 21 Apr 2022 583rd DxSper 1 704 71 16 Feb 2024 588th vrnprkh 1 700 70 30 Mar 2023 589th olliebaum 1 698 63 12 Jul 2018 590th RaBa21 🇭🇺 2 698 1,788 13 Feb 2026 591st amazingalek 🇳🇴 1 694 72 18 Dec 2025 592nd roguh 🇬🇹 1 688 48 14 Jan 2024 593rd rachelambda 1 685 73 7 Jun 2020 593rd mwarvik 🇳🇴 1 685 73 16 Dec 2025 595th DragonaireM 1 677 62 6 Feb 2023 595th arctouch-cristiannevianna 1 677 62 20 Oct 2023 597th ted 1 677 65 17 Apr 2018 598th 5quiwyrm 1 676 37 31 Aug 2022 599th aglahir1 1 676 74 5 Nov 2021 600th joshuaballoch 1 675 292 15 Jan 2020 601st gfund 1 674 46 5 Oct 2022 602nd dymowski 2 671 1,078 15 Jul 2019 603rd tomh1012 2 670 268 9 Feb 2026 604th jvargas6_ncstate 1 667 60 21 Jan 2026 604th josev814 1 667 60 21 Jan 2026 606th DmitryArtyomov 1 667 75 25 Apr 2020 607th MichalMarsalek 🇨🇿 2 667 1,048 2 Sep 2022 608th murcielago09z 1 660 50 11 Aug 2025 609th Pyroan 1 658 38 17 Dec 2025 610th MichaelWarnecke 1 658 76 27 Apr 2020 610th Cobrabb 1 658 76 7 Oct 2021 612th 0dyse 1 656 61 6 May 2025 613th Indivicivet 1 650 60 30 Mar 2021 614th polyrtm 1 644 45 29 Mar 2023 615th angetheo 1 641 39 19 Jan 2018 615th okkun-oreo 1 641 39 2 Nov 2020 615th owen-c-parker 🇺🇸 1 641 39 24 Nov 2022 615th Maximizer02 1 641 39 17 Sep 2025 619th martynas-sm 1 641 78 13 Apr 2021 620th llwwns 1 636 143 1 May 2023 621st th1rt3en 1 633 49 13 May 2018 622nd dCSeven 1 629 70 21 Mar 2019 623rd Heathcorp 🇦🇺 1 625 40 26 Nov 2022 624th Shirish111 1 625 80 12 Sep 2019 624th torokmark 1 625 80 17 Nov 2019 624th javmorin 1 625 80 17 May 2020 624th CodeF53 1 625 80 6 Mar 2025 628th Zach1031 2 624 354 15 Nov 2025 629th ptarjan 1 620 71 25 Mar 2018 629th alabhyajindal 1 620 71 3 Apr 2025 631st anna328p 1 617 81 22 Feb 2019 631st elisherer 🇮🇱 1 617 81 3 Apr 2019 633rd SpareManiKatti 3 611 2,163 19 Apr 2022 634th jacobmichaelis 1 610 82 27 May 2022 634th TEdFlow18 1 610 82 2 Jan 2023 636th domgetter 1 608 51 10 Jun 2020 637th nico-bachner 2 605 2,434 28 Dec 2020 638th rtmacaibay 1 602 83 28 Mar 2020 639th p-vf 🇨🇭 1 600 55 25 Oct 2021 640th genius257 1 595 84 29 Mar 2018 First Prev 561–640 of 825 Next Last