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 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 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 Topological Sort 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 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Topological Sort 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 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 600th kjeldahl 1 581 86 4 Nov 2020 600th ratPoopert 1 581 86 31 Jan 2023 603rd julioolvr 1 575 87 1 Aug 2020 603rd 5si 1 575 87 2 Nov 2020 605th Mikaeel66 1 574 47 10 Nov 2019 605th Edjyzod 1 574 47 3 Oct 2022 607th lightgeb 2 571 474 27 Oct 2023 608th neihousaigaai 1 570 93 13 Feb 2024 609th martica 1 568 44 20 May 2018 609th Maximizer02 1 568 44 1 Oct 2023 611th Marcel-Brouette 1 563 48 26 Aug 2018 612th etzrxd 1 562 153 25 Aug 2023 613th ashtraypettingzoo 🇺🇸 1 556 45 16 Feb 2023 613th hacker112 🇸🇪 1 556 45 1 Jul 2024 615th alexkurowski 1 551 49 8 Nov 2017 616th ngocbd 🇻🇳 1 549 71 31 Aug 2021 617th BuoyantPigeon 1 543 92 10 Aug 2019 618th jthorup84 1 541 109 22 Nov 2017 619th sstadick 1 540 50 24 Jan 2018 620th kenakingkong 1 540 63 4 May 2021 621st Import-Meow 2 540 330 31 May 2022 622nd Schmitt-Very-Cool 3 539 1,434 18 Jul 2024 623rd JesseNoEyes 🇺🇸 1 532 47 26 Sep 2024 623rd Mikey-Beep 🇬🇧 1 532 47 22 days ago 625th Krtecik 1 529 51 9 Feb 2024 626th PotatoSaladOverlord 1 526 95 18 Jan 2024 627th hyvyys 1 525 59 22 Sep 2020 628th vcxl-l 1 522 67 21 Aug 2024 629th sech1p 🇵🇱 1 521 48 30 Dec 2020 629th martinnorling 🇸🇪 1 521 48 6 Feb 2022 629th eiburns 1 521 48 7 Sep 2023 629th SwordF-Official 1 521 48 2 Jun 2025 633rd artem-aramma 1 518 83 18 Jun 2025 634th serene 1 515 97 12 May 2023 635th jansekulowicz 1 512 82 8 May 2022 636th b-paul 1 510 49 25 Dec 2020 637th hiracky16 1 508 61 15 Dec 2019 638th juntuu 1 508 65 24 Mar 2019 639th takafan 🇨🇳 1 497 155 13 Sep 2023 640th gotbadger 1 494 233 21 Nov 2024 641st ze-h 🇺🇸 1 492 63 18 May 2022 642nd andymac-2 1 492 195 7 Jul 2024 643rd DNNX 1 491 55 3 Jan 2020 644th kittrz9 5 491 4,212 7 Dec 2017 645th AntoineBlondon 1 490 51 10 Jul 2024 646th Dominoscompute 1 490 102 18 Jul 2022 647th namelessiw 1 485 103 28 Jul 2023 648th ferblape 1 483 116 26 Dec 2020 649th LHLaurini 🇧🇷 1 483 528 14 Jul 2024 650th gpolumbo-broad 1 481 52 14 Mar 2019 651st ArturLukianov 1 481 104 17 Dec 2020 651st abbasmoosajee07 1 481 104 25 May 2025 653rd Ripick 1 477 65 17 Mar 2024 654th Adix-null 🇱🇹 2 477 1,065 1 Aug 2023 655th j-Ewan 1 476 105 15 Feb 2022 656th axpepper 1 473 93 29 Sep 2018 657th GWStuart 2 473 1,124 15 Sep 2023 658th uncertaain 1 472 89 4 Dec 2024 659th pengu1n-master 1 472 106 11 Dec 2021 659th copoer 1 472 106 28 Feb 2023 659th keelimeguy 🇺🇸 1 472 106 24 Oct 2023 662nd Drew-j-Smith 1 467 75 11 Jan 2023 663rd johnreitano 1 467 422 21 Dec 2022 664th MaxElf999 1 463 67 14 Dec 2022 665th kkittlive 1 463 108 5 Oct 2020 666th Msleizak 🇫🇷 3 460 2,187 14 Dec 2023 667th twocatsinatrenchcoat 1 459 109 25 Apr 2022 668th Smetalo 1 458 72 25 Aug 2022 669th Lucca-mito 1 446 112 18 Apr 2018 670th Nekall 1 444 126 2 Jun 2022 671st markturner 1 440 75 30 Nov 2020 672nd sm1lko 1 439 57 14 Dec 2022 673rd jiaminglimjm 🇲🇾 1 434 113 12 Dec 2019 674th hrubymar10 1 427 117 18 Feb 2024 675th baseconnect-akizuki 1 415 118 8 Feb 2023 Prev 601–675 of 781 Next