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 391st 094-gengar 🇯🇵 1 980 51 26 Mar 2021 391st janleigh 🇵🇭 1 980 51 15 Apr 2021 391st alexst2 1 980 51 3 May 2021 391st silvncr 1 980 51 15 Jun 2021 391st vooop-binary 1 980 51 17 Oct 2021 391st Hari3 1 980 51 23 Apr 2022 391st ishyv 1 980 51 2 Jul 2022 391st kimbo 🇺🇸 1 980 51 3 Dec 2022 391st anishshobithps 1 980 51 7 Dec 2022 391st tidalDisruptionEvent 🇨🇦 1 980 51 28 Mar 2023 391st lillycham 1 980 51 18 Apr 2023 391st pn3umann 1 980 51 9 Aug 2023 391st nisroc 1 980 51 19 Aug 2024 391st slipperfruit 1 980 51 27 Feb 2025 391st h3ra993huskp 🇯🇵 1 980 51 13 Oct 2025 416th jacobly0 🇺🇸 2 974 636 17 Aug 2023 417th ritwinnarra 1 970 33 11 Jun 2023 418th james05 2 965 145 20 Jul 2019 419th felixli1998 2 965 1,280 22 Aug 2024 420th dbdr 1 962 26 5 Jan 2020 420th MatheusAvellar 🇧🇷 1 962 26 6 May 2021 420th varhammer 🇷🇺 1 962 26 31 Jan 2022 420th nayakrujul 1 962 26 3 Jan 2023 424th user189032 1 957 46 8 Jun 2019 425th kobaltz 2 947 181 8 Nov 2017 426th Maznek 1 944 18 30 Jul 2023 427th beauby 2 942 164 13 Nov 2017 428th mnbvczx 🇰🇷 1 939 33 12 Mar 2023 429th ReidZ3 🇺🇸 2 935 1,036 4 Dec 2020 430th Starwort 🇬🇧 1 926 27 22 Oct 2018 430th NatNgs 1 926 27 9 Jan 2020 430th baby-steve 1 926 27 5 May 2021 430th tegenton 1 926 27 4 Oct 2021 434th dillon-duncando 2 926 159 21 Dec 2021 435th textninja 1 921 429 26 Sep 2020 436th qwertyuiop3 🇷🇺 1 919 37 6 Jun 2025 437th alo-gin 1 907 54 19 Oct 2018 438th gorbit99 1 898 49 31 Mar 2019 439th jujurocking 1 894 47 18 May 2021 440th SubsTheTechnomancer 1 894 442 3 Mar 2023 441st AlexDaniel 🇪🇪 1 893 28 14 Nov 2017 441st hughsimpson 1 893 28 28 Jan 2018 441st alaaeelsayed 1 893 28 23 Jul 2018 441st willzywiec 1 893 28 6 Aug 2018 441st villfa 1 893 28 17 May 2019 441st ElevatorShaft 1 893 28 19 Jun 2019 441st AgathokakologicalBit 1 893 28 14 Jul 2019 441st osinsky 1 893 28 6 Nov 2019 441st AkashTandon167 1 893 28 16 Nov 2019 441st breeezi 1 893 28 29 Jan 2020 441st Sayan505 🇮🇳 1 893 28 23 Feb 2020 441st alexjlaberge 1 893 28 27 Jul 2020 441st ToriTheChicken 1 893 28 31 Jul 2020 441st thisishowmymindworks 🇳🇴 1 893 28 31 Jul 2020 441st doge1338 1 893 28 15 Dec 2020 441st ForkKILLET 🇨🇳 1 893 28 18 Feb 2021 441st davishyer 1 893 28 12 Apr 2021 441st Stockoh 🇫🇷 1 893 28 21 May 2021 441st ytaki0801 🇯🇵 1 893 28 19 Jun 2021 441st alichraghi 1 893 28 14 Oct 2021 441st RandGuy 1 893 28 14 Dec 2021 441st Eolu 1 893 28 20 Jan 2022 441st QuincyNash 🇺🇸 1 893 28 21 Jan 2022 441st abrn 1 893 28 30 Jul 2022 441st luni-moon 🇺🇸 1 893 28 23 Dec 2022 441st Iznoanygod 🇺🇸 1 893 28 3 Mar 2023 441st wenbang24 1 893 28 29 Mar 2024 441st abhishekg999 1 893 28 22 Sep 2024 441st lifthrasiir 🇰🇷 1 893 28 9 Nov 2024 441st Code-Coder-coder 1 893 28 11 Oct 2025 441st solisolu 1 893 28 18 Nov 2025 472nd KSH-code 🇰🇷 1 880 117 13 Dec 2021 473rd comp0zr 1 880 449 27 Sep 2023 474th jrdn-johnson 1 877 57 8 Nov 2017 474th refs 1 877 57 30 Nov 2019 474th Strnadj 1 877 57 3 May 2020 477th bajorekp 1 875 88 1 Jun 2022 478th LlamaLad7 🇬🇧 1 862 29 14 Mar 2020 478th akira-aizawa 🇯🇵 1 862 29 3 Nov 2020 478th dakalamin 1 862 29 23 May 2021 First Prev 401–480 of 815 Next Last