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 640th joesenova 1 595 84 26 Apr 2018 642nd youchan 1 588 85 16 Dec 2018 643rd basuneko 1 587 46 8 Nov 2017 644th alexandre-lavoie 1 581 86 30 Jul 2020 644th kjeldahl 1 581 86 4 Nov 2020 644th ratPoopert 1 581 86 31 Jan 2023 647th julioolvr 1 575 87 1 Aug 2020 647th 5si 1 575 87 2 Nov 2020 649th Mikaeel66 1 574 47 10 Nov 2019 649th Edjyzod 1 574 47 3 Oct 2022 651st lightgeb 2 571 474 27 Oct 2023 652nd neihousaigaai 1 570 93 13 Feb 2024 653rd martica 1 568 44 20 May 2018 654th Marcel-Brouette 1 563 48 26 Aug 2018 655th etzrxd 1 562 153 25 Aug 2023 656th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 656th hacker112 🇸🇪 1 556 45 1 Jul 2024 658th alexkurowski 1 551 49 8 Nov 2017 659th ngocbd 🇻🇳 1 549 71 31 Aug 2021 660th BuoyantPigeon 1 543 92 10 Aug 2019 661st pg98 1 542 72 14 Mar 2018 662nd jthorup84 1 541 109 22 Nov 2017 663rd sstadick 1 540 50 24 Jan 2018 664th kenakingkong 1 540 63 4 May 2021 665th Import-Meow 2 540 330 31 May 2022 666th Schmitt-Very-Cool 3 539 1,434 18 Jul 2024 667th JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 667th Mikey-Beep 🇬🇧 1 532 47 20 Aug 2025 669th Krtecik 1 529 51 9 Feb 2024 670th PotatoSaladOverlord 1 526 95 18 Jan 2024 671st hyvyys 1 525 59 22 Sep 2020 672nd mateusz-sterczewski 1 523 86 15 Jan 2026 673rd sech1p 🇵🇱 1 521 48 30 Dec 2020 673rd martinnorling 🇸🇪 1 521 48 6 Feb 2022 673rd eiburns 1 521 48 7 Sep 2023 673rd SwordF-Official 🇺🇸 1 521 48 2 Jun 2025 677th artem-aramma 1 518 83 18 Jun 2025 678th serene 1 515 97 12 May 2023 679th jansekulowicz 1 512 82 8 May 2022 680th b-paul 1 510 49 25 Dec 2020 681st hiracky16 1 508 61 15 Dec 2019 682nd juntuu 1 508 65 24 Mar 2019 683rd Mefred 1 506 87 25 Nov 2025 684th takafan 🇨🇳 1 497 155 13 Sep 2023 685th gotbadger 1 494 233 21 Nov 2024 686th ze-h 🇺🇸 1 492 63 18 May 2022 687th andymac-2 1 492 195 7 Jul 2024 688th DNNX 1 491 55 3 Jan 2020 689th kittrz9 5 491 4,212 7 Dec 2017 690th azure-blondon 1 490 51 10 Jul 2024 691st Dominoscompute 1 490 102 18 Jul 2022 692nd namelessiw 1 485 103 28 Jul 2023 693rd ferblape 1 483 116 26 Dec 2020 694th LHLaurini 🇧🇷 1 483 528 14 Jul 2024 695th gpolumbo-broad 1 481 52 14 Mar 2019 696th ArturLukianov 1 481 104 17 Dec 2020 696th abbasmoosajee07 1 481 104 25 May 2025 698th Ripick 1 477 65 17 Mar 2024 699th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 700th j-Ewan 1 476 105 15 Feb 2022 701st axpepper 1 473 93 29 Sep 2018 702nd GWStuart 2 473 1,124 15 Sep 2023 703rd uncertaain 1 472 89 4 Dec 2024 704th pengu1n-master 1 472 106 11 Dec 2021 704th copoer 1 472 106 28 Feb 2023 704th keelimeguy 🇺🇸 1 472 106 24 Oct 2023 707th johnreitano 1 467 422 21 Dec 2022 708th MaxElf999 1 463 67 14 Dec 2022 709th kkittlive 1 463 108 5 Oct 2020 710th Msleizak 🇫🇷 3 460 2,187 14 Dec 2023 711th twocatsinatrenchcoat 1 459 109 25 Apr 2022 712th Smetalo 1 458 72 25 Aug 2022 713th kurkale6ka 5 448 4,101 15 Dec 2025 714th Lucca-mito 1 446 112 18 Apr 2018 715th Nekall 1 444 126 2 Jun 2022 716th markturner 1 440 75 30 Nov 2020 717th sm1lko 1 439 57 14 Dec 2022 718th jiaminglimjm 🇲🇾 1 434 113 12 Dec 2019 719th hrubymar10 1 427 117 18 Feb 2024 720th baseconnect-akizuki 1 415 118 8 Feb 2023 First Prev 641–720 of 825 Next Last