While it features comedy, drama, and needless to say a whole horde of the undead, Zombieland's biggest draw is its "Rules for Survival" — the 32 (or 33?) rules that helped Columbus (Jesse Eisenberg) stay alive after the Zombie Apocalypse has destroyed 99% of the nation's population and left society in tatters. Although the movie itself only lists a few of the rules, its advertising campaign has filled in many of the gaps. Below we count down our top five.