The Calendar hole will go live in approximately 21 hours. Why not try and solve it ahead of time?
99 Bottles of Beer 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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input 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 Points Bytes Time Submitted 1st Dingus357 🇦🇺 1,000 197 40ms 14 Oct 2023 2nd Lydxn 🇨🇦 995 198 36ms 18 Dec 2021 3rd sisyphus-ppcg 🇦🇺 985 200 39ms 19 Nov 2021 4th janlelis 975 202 37ms 23 Nov 2021 5th JayXon 🇺🇸 961 205 49ms 8 Apr 2022 5th ovs-code 🇩🇪 961 205 36ms 8 Jul 2024 7th MeWhenI 🇻🇦 952 207 42ms 13 Apr 2025 8th prplz 🇦🇺 943 209 38ms 22 Apr 2021 9th nwellnhof 🇩🇪 929 212 42ms 14 Oct 2024 10th pardouin 🇫🇷 925 213 37ms 26 Aug 2025 10th anter69 🇭🇺 925 213 46ms 25 days ago 10th sean-niemann 🇺🇸 925 213 35ms 5 hours ago 13th GrayJoKing 🇦🇺 916 215 37ms 1 Jun 2022 14th stefangimmillaro 912 216 40ms 14 Feb 2022 15th jbbarth 🇫🇷 900 219 38ms 28 Sep 2021 16th olleicua 🇺🇸 895 220 36ms 15 Feb 2024 17th SirBogman 🇺🇸 891 221 36ms 29 Dec 2021 17th jared-hughes 891 221 38ms 12 Sep 2022 17th OhmNomNom 891 221 39ms 20 Oct 2022 20th fitzdotlol 🇺🇸 876 225 37ms 25 May 2021 20th beirigo 🇧🇷 876 225 36ms 16 Jul 2024 22nd NewDefectus 🇮🇱 860 229 39ms 16 Feb 2021 23rd olivermrose 🇺🇸 845 233 35ms 16 Oct 2021 24th proton 🇩🇪 835 236 37ms 9 Jun 2020 24th yzhs 🇩🇪 835 236 39ms 6 Sep 2020 26th wjessop 831 237 36ms 16 Apr 2020 27th KatieLG 🇬🇧 828 238 36ms 10 Apr 2022 27th tatzyr 🇯🇵 828 238 36ms 8 Jan 2025 29th ktheory 821 240 37ms 14 Jan 2020 30th jonathanelliott 814 242 41ms 11 Oct 2023 31st iamsolarpowered 811 243 35ms 17 Nov 2017 31st blaztoma 🇱🇹 811 243 37ms 25 Nov 2025 33rd ajc2 804 245 37ms 30 Sep 2017 34th graft 798 247 40ms 11 Mar 2018 35th atsushiootani 794 248 38ms 27 Aug 2018 36th oneWaveAdrian 🇩🇪 785 251 35ms 17 Jan 2024 37th michaelbaudino 782 252 38ms 18 Oct 2020 38th UladzimirSukharukau 779 253 37ms 14 Sep 2021 39th hiddicop 🇸🇪 776 254 39ms 27 Jan 2021 39th Natanaelel 🇸🇪 776 254 39ms 20 Feb 2023 41st Waffle3z 767 257 36ms 22 Jan 2021 42nd Andriamanitra 🇫🇮 761 259 39ms 25 Aug 2022 43rd acornellier 752 262 37ms 1 Dec 2021 43rd DialFrost 🇸🇬 752 262 39ms 1 Jun 2024 45th PikeIt 749 263 37ms 26 Jun 2023 46th emgordon154 746 264 42ms 6 Dec 2021 47th biinari 738 267 37ms 25 Mar 2018 48th jaredcrystal 🇺🇸 732 269 38ms 18 Sep 2018 49th Shanethegamer 🇺🇸 727 271 36ms 30 Jul 2021 50th Hee-San 716 275 40ms 4 Jun 2022 51st janbehrens 🇩🇪 714 276 36ms 15 Nov 2021 52nd chrismytton 711 277 37ms 28 Jan 2022 53rd purp 706 279 40ms 13 Aug 2022 53rd Shashwat986 706 279 38ms 26 Feb 2024 55th 4hg 🇺🇸 701 281 38ms 23 Jan 2023 56th JRaspass 🇬🇧 699 282 35ms 18 May 2021 57th snoozingnewt 🇨🇦 691 285 37ms 15 Oct 2025 58th dokutan 682 289 51ms 21 Apr 2025 59th joshuaballoch 675 292 37ms 15 Jan 2020 60th dwayneparton 672 293 37ms 6 May 2020 61st n1LS 670 294 36ms 25 Sep 2019 62nd VladYermakov 654 301 34ms 27 Oct 2017 62nd moozzi 654 301 36ms 25 days ago 64th nlc 644 306 41ms 8 Oct 2018 64th aaronkison 644 306 37ms 11 Sep 2023 66th snltd 642 307 37ms 14 Oct 2019 67th yokasuretsu 640 308 41ms 18 Apr 2018 67th adoxography 640 308 39ms 1 Jun 2018 69th boxjelly 633 311 44ms 12 Feb 2021 70th 3dm4n 🇫🇮 631 312 38ms 2 Mar 2024 71st tadd 621 317 36ms 16 Apr 2020 71st Haksell 🇦🇶 621 317 39ms 22 Feb 2023 73rd SephQ 601 328 36ms 1 Jan 2021 74th MadonnaMat 586 336 36ms 9 Jul 2021 75th zstearman3 581 339 40ms 13 Jul 2018 76th jacobsmith 573 344 36ms 28 Feb 2021 77th DanDobrick 569 346 43ms 23 Feb 2018 77th frnco 569 346 37ms 2 Jun 2022 79th msbranicky 568 347 41ms 14 Sep 2023 80th yobatm 560 352 32ms 3 Aug 2025 1–80 of 100 Next 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