The zombies are invading the city and you're the only survivor after the fall of your helicopter. Now you're surrounded by zombies, try to escape to a safe place, away with them as possible on the road. Shoot or attack everyone and survive as long as possible, earning achievements or experience that will unlock new weapons and characters.
LEFT, RIGHT: Move
SPACE: Use Weapon
DOWN: Pick up crate (hold to drop weapon)
UP: Call in Support (at 25,50,100 killcombo)