Zombies are stupid, humans are smart, right? You would be wise to remember this because a zombie will do whatever it takes to get a juicy brain. It may not be smart enough climb a fence or walk around a hole in the ground, but it's dumb enough to plow right through whatever nasty traps you set. Maybe it's just a bloody, one armed, legless torso with a half severed head that finds you when you're sleeping, but you still die!