Presumably you have already gathered together your tins of baked beans, bottles of water, tea bags and toilet paper. Your night vision goggles, space blanket and Swiss Army knife are packed and you have your gloves, sunglasses and sun cream handy.
We want to make sure you are in with the best chance of surviving the upcoming end of the world so we've collected together a few essential apps and gadgets that might come in useful should the worst happen on Friday.
To prepare yourself, why not download some of books from our recommended reading list or watch some of the films that we have on good authority will give you some insight into the world after 21 December 2012.
Handy Apps for the end of the world
Did you remember to pack a torch? If not, you'll be glad that you downloaded the Torch app on your iPhone. This torch even has a compass.
Luckily Google announced Google Maps for iOS 6 just in the nick of time. If you haven't downloaded it yet, you better get online now before it's too late.
What Knot To Do is a free app that will show you the best knots. You don't want your shelter falling down now, do you.
Survival Guide another free app, this one has survival skills on hand to help you in dangerous situations.
Survival Pocket Ref this 69p app provides a quick reference guide on basic survival.
Doomsday 2012 Survival Guides includes everything you need including how to build a protective fallout shelter. The app's free, but you need to pay to download the guides.
Zombie Survival Handbook Lite helps prepare you for the threat of the dead trying to eat you.
First Aid by British Red Cross is a free app that will make sure you know what to do in an emergency.
SAS Survival Guide costs APS3.99 but it's the definitive guide to surviving any situation, anywhere in the world, according to the app developer. Hopefully there will still be a world to survive in.
Essential tech to survive the end of the world
So you are probably thinking that your iPhone will be pretty useless once it runs out of battery. Well help is at hand from the Mophie Juice Pack Powerstation Mini. It packs a full iPhone recharge into a compact and lightweight little box.
Read our review of the Mophie Juice Pack Powerstation Mini
The BeAHeadCase.com bottle-opener iPhone case could come in handy if you have any bottles to open in your bunker.
Read our review of the BeAHeadCase bottle opener iPhone case
The Crosskase Solar 15 rucksack has a solar battery that could get you out of a drained-iPhone fix - as long as the sun is still shining, that is.
Read our Crosskase Solar 15 rucksack review
If there is still a sun the Wireless Solar Keyboard K760 from Logitech might come in useful too.
If the floods come your normal hard drive might not survive. Opt instead for the LaCie Rugged USB 3, it's a sturdy SSD drive that is fast as well.
Read our LaCie Rugged USB 3 review
A little light reading for the end of the world
Margaret Atwood - Oryx and Crake / The Year of the Flood
Max Brooks - Zombie Survival Guide
Tony Burgess - Pontypool Changes Everything
Robert Kirkman, Tony Moore, and Charlie Adlard - Walking Dead
Richard Matheson - I Am Legend
Cormac McCarthy - The Road
Neville Shute - On the Beach
John - The Book of Revelation
And some films, to prepare you for the worst
Our list of films in our earlier story was described as "too PG" so here are some alternatives.
28 Weeks Later
Planet of the Apes
Shaun of the Dead
The Walking Dead
This story, "End of the world: essential apps and gadgets to survive the apocalypse" was originally published by Macworld U.K..