The Buddy System
It’s easy to get confused by vampires, zombies, or any number of other creatures. Here are some typography posters from 30 Nights of Paranormal Activity with the Devil Inside the Girl with the Dragon Tattoo to help you get acquainted with and survive a whole slew of post-apocalyptic scenarios with relative ease.

Radio Broadcasts
Strolling
Killer on the Loose
Bitten
Dark Houses
Baby Monitors