The Calendar hole will go live in approximately 12 days. Why not try and solve it ahead of time?
99 Bottles of Beer in all languages 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 800th mrxz 🇳🇱 784 253 9ms 24 Jun 2019 800th winstonyli 784 253 9ms 10 Oct 2021 800th predyy 784 253 9ms 13 Jul 2022 800th glthomas 🇺🇸 784 253 9ms 2 Nov 2023 800th Flippele 784 253 9ms 29 Jun 2024 806th thisishowmymindworks 🇳🇴 784 261 19ms 5 Oct 2020 806th Bonjour27891 🇻🇳 784 261 16ms 13 Mar 2022 806th MaxElf999 784 261 9ms 28 Sep 2022 806th TaserTheFox 🇺🇸 784 261 16ms 27 Apr 2023 810th bakkeby 784 295 3ms 24 Sep 2022 811th piebot3000 784 298 137ms 13 Sep 2023 812th Ripick 783 296 125ms 15 Jul 2024 813th atsushiootani 782 248 36ms 27 Aug 2018 814th ian-h-chamberlain 🇺🇸 782 251 40ms 2 Nov 2025 815th DialFrost 🇸🇬 782 267 2ms 8 Nov 2023 815th albanian-laundromat 782 267 1ms 9 Nov 2025 817th albanian-laundromat 782 353 125ms 22 days ago 818th jackkav 781 254 9ms 10 Feb 2019 818th daisy-lau 781 254 9ms 19 May 2020 818th strattonwhisler 781 254 9ms 27 Mar 2025 821st tnecio 781 262 10ms 29 Aug 2020 821st Indivicivet 781 262 9ms 26 Oct 2021 821st gchenfc 781 262 9ms 21 Jan 2022 821st LogicalJoe 781 262 10ms 26 Sep 2022 821st NDR0216 🇹🇼 781 262 9ms 12 Feb 2023 826th perfunction 781 303 90ms 19 Jan 2020 827th jared-hughes 781 309 83ms 20 Jul 2022 828th ScottHamper 780 310 541ms 19 days ago 829th Aurel300 🇨🇭 780 321 121ms 7 Jun 2024 830th janbehrens 🇩🇪 780 507 15ms 2 Aug 2023 831st SirBogman 🇺🇸 779 353 39ms 3 Jun 2025 832nd ethzhou 779 547 15ms 12 Nov 2022 833rd MaxCastella 🇫🇷 778 244 256ms 20 Oct 2023 834th deniz-blue 778 255 8ms 19 Oct 2023 834th pedro-a-soares 778 255 9ms 5 Dec 2023 834th kordrun 778 255 9ms 3 Apr 2024 834th de1ane1ra 778 255 9ms 22 Jun 2024 838th rplnt 778 263 11ms 20 Apr 2020 838th Koshu 778 263 9ms 2 Dec 2023 838th Troon 778 263 9ms 14 Mar 2025 841st katehuds 778 304 93ms 20 Oct 2020 842nd coffeenotfound 778 322 142ms 18 Aug 2021 842nd MeWhenI 🇻🇦 778 322 149ms 13 Nov 2022 844th rzv-me 777 253 4ms 5 Oct 2024 845th iznax 777 266 365ms 21 Nov 2021 846th jared-hughes 777 272 2ms 18 Sep 2025 847th lboust 777 319 4,437ms 16 days ago 848th T193R-W00D5 776 208 46ms 23 Mar 2025 849th janbehrens 🇩🇪 776 305 92ms 16 Nov 2021 850th 0xjac 🇨🇭 776 348 274ms 7 Jun 2025 851st MeWhenI 🇻🇦 775 254 135ms 5 Jan 2025 852nd Plopsi 775 256 9ms 4 Jun 2021 852nd richard-oelze 🇩🇪 775 256 9ms 14 Oct 2023 852nd blaztoma 🇱🇹 775 256 9ms 24 Aug 2025 855th lrustand 775 264 9ms 5 Feb 2018 855th stefangimmillaro 775 264 10ms 20 Dec 2022 855th NOS4A5I 775 264 10ms 28 Dec 2022 855th rehoboth23 775 264 10ms 21 Dec 2023 855th khavik 775 264 17ms 18 May 2024 855th UwUcifer 775 264 9ms 5 Aug 2025 861st Shanethegamer 🇺🇸 775 270 348ms 16 Jul 2021 861st codereport 🇨🇦 775 270 249ms 16 Apr 2025 863rd PowershellKnut 🇳🇴 775 276 86ms 7 Jan 2024 864th emgordon154 775 295 10ms 8 Dec 2024 865th DaCoolOne 775 299 2ms 20 Nov 2019 865th sean-niemann 🇺🇸 775 299 338ms 7 Feb 2025 867th dokutan 775 312 458ms 24 Sep 2025 867th Shanethegamer 🇺🇸 775 312 497ms 25 Sep 2025 869th neil-ennis 🇦🇺 775 341 2ms 30 Dec 2020 870th BBoehm 🇩🇪 774 225 3ms 18 Dec 2020 871st frankgraziano 774 233 17ms 17 Dec 2024 872nd harshit54 774 349 336ms 4 Oct 2023 872nd albanian-laundromat 774 349 330ms 16 days ago 874th oneWaveAdrian 🇩🇪 773 251 40ms 17 Jan 2024 875th Andrey2001 773 260 616ms 23 days ago 876th i-machine 772 257 9ms 28 Aug 2020 876th Pixels4Breakfast 772 257 9ms 11 Feb 2022 876th mckymsh 772 257 9ms 4 Feb 2024 879th bernardgardner 772 265 10ms 13 Jun 2019 879th HerLovelyTentacles 772 265 30ms 7 Feb 2021 First Prev 801–880 of 3,851 Next Last