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 641st oliverwoodings 816 243 9ms 21 May 2018 641st thisishowmymindworks 🇳🇴 816 243 9ms 5 Oct 2020 641st jn-lp 🇺🇦 816 243 10ms 31 Oct 2020 641st ershadi-sayuri 816 243 9ms 14 Oct 2021 645th Alex-x90 🇺🇸 816 259 2ms 26 Jul 2024 646th MeWhenI 🇻🇦 816 278 3ms 6 Aug 2023 647th MeWhenI 🇻🇦 816 288 67ms 5 Apr 2025 648th andersk 🇺🇸 816 307 123ms 25 Oct 2022 649th KatieLG 🇬🇧 815 238 30ms 10 Apr 2022 649th tatzyr 🇯🇵 815 238 36ms 8 Jan 2025 651st emplv 🇱🇻 815 241 5ms 16 Jan 2024 652nd darrylyeo 813 244 9ms 18 Dec 2019 652nd SpareManiKatti 813 244 9ms 11 Sep 2021 654th GrayJoKing 🇦🇺 813 321 29ms 9 Mar 2023 655th tobyLovick 812 252 10ms 7 Dec 2023 655th JunkIce 812 252 17ms 5 Mar 2025 655th dokutan 812 252 17ms 16 Apr 2025 655th Flekay 🇩🇪 812 252 16ms 10 Jul 2025 655th GodlyProgrammer1 812 252 16ms 27 days ago 660th Feniske 🇫🇷 811 234 276ms 9 Nov 2023 661st Shanethegamer 🇺🇸 811 242 42ms 17 Feb 2025 662nd CaedenHarper 🇨🇦 810 245 741ms 3 Oct 2025 663rd AdrienHache 🇫🇷 810 255 408ms 6 Aug 2025 664th Yewzir 🇧🇪 810 434 2,703ms 14 Nov 2025 665th Daniikk1012 809 240 33ms 3 Nov 2025 666th PowershellKnut 🇳🇴 809 243 4ms 7 Jan 2024 667th dijs 809 245 9ms 8 Dec 2019 667th jquade7 809 245 9ms 27 May 2023 667th BenScattergood 809 245 8ms 17 Sep 2023 670th BlankSpruce 809 250 9ms 24 Aug 2024 671st akhil99 809 253 9ms 14 May 2020 671st BenBanerjeeRichards 809 253 10ms 6 Nov 2021 671st guilhem-roy 🇫🇷 809 253 10ms 23 Feb 2022 671st fgrosshans 🇫🇷 809 253 9ms 5 May 2023 671st cefqrn 809 253 11ms 15 May 2023 671st CommandLeo 🇮🇹 809 253 16ms 11 Nov 2025 677th b97tsk 809 334 269ms 20 Apr 2020 678th sean-niemann 🇺🇸 808 200 63ms 22 Jul 2022 679th ktheory 808 240 32ms 14 Jan 2020 680th HolmDev 808 289 130ms 3 Sep 2025 681st jacky-tay 🇳🇿 808 293 90ms 18 May 2021 682nd KatieLG 🇬🇧 807 249 533ms 15 Jan 2024 683rd jahakari 807 256 386ms 21 Nov 2021 684th j7126 807 276 98ms 31 Aug 2023 685th dokutan 807 283 6ms 28 Jul 2024 686th paul3412 806 246 9ms 1 Dec 2019 686th targrik 806 246 8ms 16 Apr 2025 686th cloudyshoe 806 246 9ms 15 May 2025 689th SaagarGodithi 806 254 11ms 10 May 2020 689th kenny14231 806 254 9ms 17 Aug 2022 689th jhpaques 🇫🇷 806 254 9ms 30 Nov 2022 689th rollershutter 806 254 10ms 5 May 2024 689th CornerMercury 🇬🇧 806 254 10ms 14 Feb 2025 689th solisolu 806 254 10ms 17 Oct 2025 695th glthomas 🇺🇸 806 300 399ms 25 Feb 2023 696th tflyons 806 335 269ms 17 Apr 2020 697th AlephSquirrel 804 201 61ms 27 Dec 2023 698th RainOrigami 🇩🇪 804 257 391ms 18 Dec 2021 699th dokutan 804 277 96ms 19 Sep 2024 700th jkelly467 804 308 4,154ms 20 Oct 2025 701st choroba 803 217 2ms 21 Oct 2017 701st janbehrens 🇩🇪 803 217 2ms 10 May 2023 703rd mcreenan 803 227 146ms 30 Jun 2018 704th mcammara 803 247 9ms 26 Jul 2018 705th Vdubro 803 255 9ms 6 Jun 2022 705th ZorblaxV 803 255 9ms 19 Jan 2025 705th LuisGoncalves05 🇵🇹 803 255 10ms 17 Jul 2025 705th AstroOrbis 803 255 15ms 23 Jul 2025 709th jtnuttall 803 291 133ms 4 Oct 2022 709th exodrifter 🇺🇸 803 291 133ms 25 Oct 2022 711th stefangimmillaro 803 301 452ms 6 Oct 2025 712th jonathanelliott 802 242 32ms 11 Oct 2023 713th retrohun 802 274 3ms 26 Aug 2024 714th Yewzir 🇧🇪 802 285 6ms 20 Dec 2023 715th zeaga 802 289 1ms 5 Dec 2021 716th stefangimmillaro 802 343 42ms 26 Apr 2025 717th theentropic 801 237 235ms 4 Aug 2020 717th PalmEmanuel 801 237 255ms 10 May 2021 719th theentropic 801 258 378ms 21 Nov 2021 720th Yewzir 🇧🇪 801 302 470ms 2 Oct 2025 First Prev 641–720 of 3,852 Next Last