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 423rd lifthrasiir 🇰🇷 1 893 28 9 Nov 2024 452nd KSH-code 🇰🇷 1 880 117 13 Dec 2021 453rd comp0zr 1 880 449 27 Sep 2023 454th jrdn-johnson 1 877 57 8 Nov 2017 454th refs 1 877 57 30 Nov 2019 454th Strnadj 1 877 57 3 May 2020 457th bajorekp 1 875 88 1 Jun 2022 458th LlamaLad7 🇬🇧 1 862 29 14 Mar 2020 458th akira-aizawa 🇯🇵 1 862 29 3 Nov 2020 458th dakalamin 1 862 29 23 May 2021 458th pyrolitic 🇮🇪 1 862 29 27 Apr 2022 458th CiucaRazvan 1 862 29 29 Jul 2022 458th Posandu 1 862 29 24 Oct 2022 458th esckbd 1 862 29 6 Jul 2024 458th Unknownuserfrommars 1 862 29 5 Aug 2025 466th vincecoss 1 862 458 15 May 2022 467th illegalnumbers 2 852 195 27 Jun 2019 468th PFischbeck 1 847 59 28 Jan 2018 469th CedricGebistorf 1 833 30 4 Mar 2022 469th nyoshe 1 833 30 10 Oct 2023 471st marcin7Cd 3 833 384,824 14 Jan 2021 472nd ryo-ha-gi 1 832 475 22 Jul 2024 473rd wjessop 1 831 237 16 Apr 2020 474th ktheory 1 821 240 14 Jan 2020 475th dev-Thae 1 821 481 6 Nov 2023 476th zuparnowa 1 820 61 12 Feb 2019 476th henrytranter 1 820 61 20 Sep 2019 476th c0d3-4-F00d 🇩🇪 1 820 61 19 May 2021 479th Crackson4 1 815 54 12 Aug 2023 480th philipper905 1 806 31 11 Apr 2018 480th souta-1326 1 806 31 20 Apr 2021 480th Alex-x90 🇺🇸 1 806 31 3 Feb 2023 480th charliegaming 1 806 31 4 Oct 2023 480th mathisfun271 1 806 31 21 Feb 2024 480th kaizer1308 1 806 31 11 Mar 2025 486th YinglunQ 1 801 493 18 Jul 2024 487th james-logan 1 800 70 9 Dec 2020 488th SalimBXL 2 799 275 8 Feb 2021 489th gessgallardo 1 792 499 21 Jun 2022 490th seanstory 1 786 42 4 Nov 2019 490th davishmcclurg 1 786 42 5 Nov 2019 492nd danini-the-panini 1 786 56 27 Aug 2019 493rd 5cw 🇺🇸 2 786 235 27 Apr 2023 494th oneWaveAdrian 🇩🇪 1 785 251 17 Jan 2024 495th ralsei 1 782 55 7 Oct 2020 496th Ogeima 1 778 54 13 Apr 2023 497th eraserqueen 1 778 508 9 Nov 2020 498th mkessler 1 769 65 17 Mar 2021 499th andrew3600 1 758 33 20 Aug 2018 499th venus-as-a-boy 1 758 33 22 Oct 2018 499th leon-w 1 758 33 13 Jul 2019 499th jlscheerer 1 758 33 29 Aug 2019 499th Chesium 1 758 33 6 Aug 2020 499th doberan 1 758 33 2 Nov 2020 499th desecaw13 1 758 33 25 Jan 2025 506th JOrE-Softwares 2 756 1,079 3 Jun 2025 507th xyangst 1 755 53 3 Oct 2024 508th ureishi 🇯🇵 1 750 44 30 Jan 2021 509th gabe-gallegos 1 750 52 15 May 2024 510th lowie1803 1 750 56 22 Jun 2023 511th apbassi89 1 748 528 2 Jun 2025 512th Seanharrs 1 746 67 14 Sep 2022 512th vzsky 1 746 67 8 Nov 2022 512th khall 1 746 67 9 Mar 2024 515th evanbattaglia 1 742 198 23 Apr 2021 516th Espiobest 1 738 61 13 Feb 2021 517th anishghosh103 1 735 34 15 Mar 2020 517th Ashikpaul 🇮🇳 1 735 34 28 Apr 2021 517th raphaelimahorn 1 735 34 2 Sep 2021 517th lilyyy411 1 735 34 10 Sep 2021 517th MichaelMBradley 🇨🇦 1 735 34 21 Mar 2022 517th oceko 1 735 34 26 Nov 2022 517th nstearns96 🇬🇧 1 735 34 15 Dec 2022 517th CheeseCake628 🇳🇴 1 735 34 15 Feb 2023 517th hellopatrick 1 735 34 26 Dec 2023 Prev 451–525 of 781 Next