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 640th Edjyzod 1 574 47 3 Oct 2022 642nd lightgeb 2 571 474 27 Oct 2023 643rd neihousaigaai 1 570 93 13 Feb 2024 644th martica 1 568 44 20 May 2018 645th Marcel-Brouette 1 563 48 26 Aug 2018 646th etzrxd 1 562 153 25 Aug 2023 647th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 647th hacker112 🇸🇪 1 556 45 1 Jul 2024 649th alexkurowski 1 551 49 8 Nov 2017 650th ngocbd 🇻🇳 1 549 71 31 Aug 2021 651st BuoyantPigeon 1 543 92 10 Aug 2019 652nd pg98 1 542 72 14 Mar 2018 653rd jthorup84 1 541 109 22 Nov 2017 654th sstadick 1 540 50 24 Jan 2018 655th kenakingkong 1 540 63 4 May 2021 656th Import-Meow 2 540 330 31 May 2022 657th Schmitt-Very-Cool 3 539 1,434 18 Jul 2024 658th JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 658th Mikey-Beep 🇬🇧 1 532 47 20 Aug 2025 660th Krtecik 1 529 51 9 Feb 2024 661st PotatoSaladOverlord 1 526 95 18 Jan 2024 662nd hyvyys 1 525 59 22 Sep 2020 663rd mateusz-sterczewski 1 523 86 15 Jan 2026 664th sech1p 🇵🇱 1 521 48 30 Dec 2020 664th martinnorling 🇸🇪 1 521 48 6 Feb 2022 664th eiburns 1 521 48 7 Sep 2023 664th SwordF-Official 🇺🇸 1 521 48 2 Jun 2025 668th artem-aramma 1 518 83 18 Jun 2025 669th serene 1 515 97 12 May 2023 670th jansekulowicz 1 512 82 8 May 2022 671st b-paul 1 510 49 25 Dec 2020 672nd hiracky16 1 508 61 15 Dec 2019 673rd juntuu 1 508 65 24 Mar 2019 674th Mefred 1 506 87 25 Nov 2025 675th takafan 🇨🇳 1 497 155 13 Sep 2023 676th gotbadger 1 494 233 21 Nov 2024 677th ze-h 🇺🇸 1 492 63 18 May 2022 678th andymac-2 1 492 195 7 Jul 2024 679th DNNX 1 491 55 3 Jan 2020 680th kittrz9 5 491 4,212 7 Dec 2017 681st azure-blondon 1 490 51 10 Jul 2024 682nd Dominoscompute 1 490 102 18 Jul 2022 683rd namelessiw 1 485 103 28 Jul 2023 684th ferblape 1 483 116 26 Dec 2020 685th LHLaurini 🇧🇷 1 483 528 14 Jul 2024 686th gpolumbo-broad 1 481 52 14 Mar 2019 687th ArturLukianov 1 481 104 17 Dec 2020 687th abbasmoosajee07 1 481 104 25 May 2025 689th Ripick 1 477 65 17 Mar 2024 690th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 691st j-Ewan 1 476 105 15 Feb 2022 692nd axpepper 1 473 93 29 Sep 2018 693rd GWStuart 2 473 1,124 15 Sep 2023 694th uncertaain 1 472 89 4 Dec 2024 695th pengu1n-master 1 472 106 11 Dec 2021 695th copoer 1 472 106 28 Feb 2023 695th keelimeguy 🇺🇸 1 472 106 24 Oct 2023 698th johnreitano 1 467 422 21 Dec 2022 699th MaxElf999 1 463 67 14 Dec 2022 700th kkittlive 1 463 108 5 Oct 2020 701st Msleizak 🇫🇷 3 460 2,187 14 Dec 2023 702nd twocatsinatrenchcoat 1 459 109 25 Apr 2022 703rd Smetalo 1 458 72 25 Aug 2022 704th kurkale6ka 5 448 4,101 15 Dec 2025 705th Lucca-mito 1 446 112 18 Apr 2018 706th Nekall 1 444 126 2 Jun 2022 707th markturner 1 440 75 30 Nov 2020 708th sm1lko 1 439 57 14 Dec 2022 709th jiaminglimjm 🇲🇾 1 434 113 12 Dec 2019 710th hrubymar10 1 427 117 18 Feb 2024 711th baseconnect-akizuki 1 415 118 8 Feb 2023 712th Phil-Bergeman 1 410 122 27 Mar 2018 712th MarkStockwellZA 1 410 122 7 Jan 2022 714th mosegontar 1 410 139 6 Jul 2022 715th hankhng 1 407 123 7 Oct 2020 716th 104210 1 404 104 19 May 2022 717th RyanRogan 1 403 77 15 Apr 2020 718th Languag3 1 402 132 24 Sep 2025 719th KyanJeuring 1 400 125 7 Sep 2022 720th Sticky-Bits 1 394 127 19 Apr 2019 First Prev 641–720 of 815 Next Last