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 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 Mandelbrot 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 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 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 Mandelbrot 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 Holes Points Bytes Time 526th BoTie 🇺🇸 8 719 7,142 26 May 2021 527th TheAristos 5 716 4,142 11 Dec 2019 528th lowlighter 1 714 35 1 Nov 2020 528th cefqrn 1 714 35 26 May 2024 530th croc54 1 714 49 10 Dec 2024 531st lux9 1 714 70 5 Oct 2020 531st No-Jons 1 714 70 27 Oct 2020 531st Xyberista 1 714 70 29 Mar 2021 531st dylanarmstrong 1 714 70 18 Dec 2023 535th yrral86 1 710 62 9 Mar 2018 535th drkameleon 🇪🇸 1 710 62 28 Jan 2020 537th volpi-m 🇫🇷 2 709 2,466 19 Mar 2024 538th germania 1 704 71 4 Jan 2020 538th c99zealot 1 704 71 1 Aug 2020 538th SpeedyNinja 1 704 71 20 Oct 2020 538th techeverri 1 704 71 21 Apr 2022 538th DxSper 1 704 71 16 Feb 2024 543rd vrnprkh 1 700 70 30 Mar 2023 544th olliebaum 1 698 63 12 Jul 2018 545th roguh 🇬🇹 1 688 48 14 Jan 2024 546th rachelambda 1 685 73 7 Jun 2020 547th DragonaireM 1 677 62 6 Feb 2023 547th arctouch-cristiannevianna 1 677 62 20 Oct 2023 549th ted 1 677 65 17 Apr 2018 550th 5quiwyrm 1 676 37 31 Aug 2022 551st aglahir1 1 676 74 5 Nov 2021 552nd joshuaballoch 1 675 292 15 Jan 2020 553rd gfund 1 674 46 5 Oct 2022 554th dymowski 2 671 1,078 15 Jul 2019 555th DmitryArtyomov 1 667 75 25 Apr 2020 556th MichalMarsalek 🇨🇿 2 667 1,048 2 Sep 2022 557th MichaelWarnecke 1 658 76 27 Apr 2020 557th Cobrabb 1 658 76 7 Oct 2021 559th 0dyse 1 656 61 6 May 2025 560th polyrtm 1 644 45 29 Mar 2023 561st angetheo 1 641 39 19 Jan 2018 561st okkun-oreo 1 641 39 2 Nov 2020 561st TheRealOhead 🇺🇸 1 641 39 24 Nov 2022 564th martynas-sm 1 641 78 13 Apr 2021 565th llwwns 1 636 143 1 May 2023 566th th1rt3en 1 633 49 13 May 2018 567th dCSeven 1 629 70 21 Mar 2019 568th Heathcorp 🇦🇺 1 625 40 26 Nov 2022 569th Shirish111 1 625 80 12 Sep 2019 569th torokmark 1 625 80 17 Nov 2019 569th javmorin 1 625 80 17 May 2020 569th CodeF53 1 625 80 6 Mar 2025 573rd ptarjan 1 620 71 25 Mar 2018 573rd alabhyajindal 1 620 71 3 Apr 2025 575th anna328p 1 617 81 22 Feb 2019 575th elisherer 🇮🇱 1 617 81 3 Apr 2019 577th SpareManiKatti 3 611 2,163 19 Apr 2022 578th jacobmichaelis 1 610 82 27 May 2022 578th TEdFlow18 1 610 82 2 Jan 2023 580th trinityy-7 1 609 69 14 Mar 2024 581st domgetter 1 608 51 10 Jun 2020 582nd nico-bachner 2 605 2,434 28 Dec 2020 583rd rtmacaibay 1 602 83 28 Mar 2020 584th p-vf 🇨🇭 1 600 55 25 Oct 2021 585th genius257 1 595 84 29 Mar 2018 585th joesenova 1 595 84 26 Apr 2018 587th youchan 1 588 85 16 Dec 2018 588th basuneko 1 587 46 8 Nov 2017 589th alexandre-lavoie 1 581 86 30 Jul 2020 589th kjeldahl 1 581 86 4 Nov 2020 589th ratPoopert 1 581 86 31 Jan 2023 592nd julioolvr 1 575 87 1 Aug 2020 592nd 5si 1 575 87 2 Nov 2020 594th Mikaeel66 1 574 47 10 Nov 2019 594th Edjyzod 1 574 47 3 Oct 2022 596th lightgeb 2 571 474 27 Oct 2023 597th neihousaigaai 1 570 93 13 Feb 2024 598th etzrxd 1 569 153 25 Aug 2023 599th martica 1 568 44 20 May 2018 599th Maximizer02 1 568 44 1 Oct 2023 Prev 526–600 of 771 Next