The Calendar hole will go live in approximately 13 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 640th thisishowmymindworks 🇳🇴 816 243 9ms 5 Oct 2020 640th jn-lp 🇺🇦 816 243 10ms 31 Oct 2020 640th ershadi-sayuri 816 243 9ms 14 Oct 2021 644th Alex-x90 🇺🇸 816 259 2ms 26 Jul 2024 645th MeWhenI 🇻🇦 816 278 3ms 6 Aug 2023 646th MeWhenI 🇻🇦 816 288 67ms 5 Apr 2025 647th andersk 🇺🇸 816 307 123ms 25 Oct 2022 648th KatieLG 🇬🇧 815 238 30ms 10 Apr 2022 648th tatzyr 🇯🇵 815 238 36ms 8 Jan 2025 650th emplv 🇱🇻 815 241 5ms 16 Jan 2024 651st darrylyeo 813 244 9ms 18 Dec 2019 651st SpareManiKatti 813 244 9ms 11 Sep 2021 653rd GrayJoKing 🇦🇺 813 321 29ms 9 Mar 2023 654th tobyLovick 812 252 10ms 7 Dec 2023 654th JunkIce 812 252 17ms 5 Mar 2025 654th dokutan 812 252 17ms 16 Apr 2025 654th Flekay 🇩🇪 812 252 16ms 10 Jul 2025 654th GodlyProgrammer1 812 252 16ms 26 days ago 659th Feniske 🇫🇷 811 234 276ms 9 Nov 2023 660th Shanethegamer 🇺🇸 811 242 42ms 17 Feb 2025 661st CaedenHarper 🇨🇦 810 245 741ms 3 Oct 2025 662nd AdrienHache 🇫🇷 810 255 408ms 6 Aug 2025 663rd Yewzir 🇧🇪 810 434 2,703ms 14 Nov 2025 664th Daniikk1012 809 240 33ms 3 Nov 2025 665th PowershellKnut 🇳🇴 809 243 4ms 7 Jan 2024 666th dijs 809 245 9ms 8 Dec 2019 666th jquade7 809 245 9ms 27 May 2023 666th BenScattergood 809 245 8ms 17 Sep 2023 669th BlankSpruce 809 250 9ms 24 Aug 2024 670th akhil99 809 253 9ms 14 May 2020 670th BenBanerjeeRichards 809 253 10ms 6 Nov 2021 670th guilhem-roy 🇫🇷 809 253 10ms 23 Feb 2022 670th fgrosshans 🇫🇷 809 253 9ms 5 May 2023 670th cefqrn 809 253 11ms 15 May 2023 670th CommandLeo 🇮🇹 809 253 16ms 11 Nov 2025 676th b97tsk 809 334 269ms 20 Apr 2020 677th sean-niemann 🇺🇸 808 200 63ms 22 Jul 2022 678th ktheory 808 240 32ms 14 Jan 2020 679th HolmDev 808 289 130ms 3 Sep 2025 680th jacky-tay 🇳🇿 808 293 90ms 18 May 2021 681st KatieLG 🇬🇧 807 249 533ms 15 Jan 2024 682nd jahakari 807 256 386ms 21 Nov 2021 683rd j7126 807 276 98ms 31 Aug 2023 684th dokutan 807 283 6ms 28 Jul 2024 685th paul3412 806 246 9ms 1 Dec 2019 685th targrik 806 246 8ms 16 Apr 2025 685th cloudyshoe 806 246 9ms 15 May 2025 688th SaagarGodithi 806 254 11ms 10 May 2020 688th kenny14231 806 254 9ms 17 Aug 2022 688th jhpaques 🇫🇷 806 254 9ms 30 Nov 2022 688th rollershutter 806 254 10ms 5 May 2024 688th CornerMercury 🇬🇧 806 254 10ms 14 Feb 2025 688th solisolu 806 254 10ms 17 Oct 2025 694th glthomas 🇺🇸 806 300 399ms 25 Feb 2023 695th tflyons 806 335 269ms 17 Apr 2020 696th AlephSquirrel 804 201 61ms 27 Dec 2023 697th RainOrigami 🇩🇪 804 257 391ms 18 Dec 2021 698th dokutan 804 277 96ms 19 Sep 2024 699th jkelly467 804 308 4,154ms 20 Oct 2025 700th choroba 803 217 2ms 21 Oct 2017 700th janbehrens 🇩🇪 803 217 2ms 10 May 2023 702nd mcreenan 803 227 146ms 30 Jun 2018 703rd mcammara 803 247 9ms 26 Jul 2018 704th Vdubro 803 255 9ms 6 Jun 2022 704th ZorblaxV 803 255 9ms 19 Jan 2025 704th LuisGoncalves05 🇵🇹 803 255 10ms 17 Jul 2025 704th AstroOrbis 803 255 15ms 23 Jul 2025 708th jtnuttall 803 291 133ms 4 Oct 2022 708th exodrifter 🇺🇸 803 291 133ms 25 Oct 2022 710th stefangimmillaro 803 301 452ms 6 Oct 2025 711th jonathanelliott 802 242 32ms 11 Oct 2023 712th retrohun 802 274 3ms 26 Aug 2024 713th Yewzir 🇧🇪 802 285 6ms 20 Dec 2023 714th zeaga 802 289 1ms 5 Dec 2021 715th stefangimmillaro 802 343 42ms 26 Apr 2025 716th theentropic 801 237 235ms 4 Aug 2020 716th PalmEmanuel 801 237 255ms 10 May 2021 718th theentropic 801 258 378ms 21 Nov 2021 719th Yewzir 🇧🇪 801 302 470ms 2 Oct 2025 720th dbut2 🇦🇺 801 337 267ms 30 Oct 2024 First Prev 641–720 of 3,848 Next Last