In Zombie Catcher Online, you take on the role of a hero who must race against time to eliminate all of the zombies in the area. In his quest to round up zombies, the little alien needs your help. You have been hired to return all of the zombies to their cages after they escaped from the lab. Your mission is to use your weapon, jetpack, and brains to lure zombies into traps across a variety of worlds. A quick reaction time is essential, as the zombies will try to flee once they see your guns coming. Hunt down unique zombies using your newly acquired speed, jetpack, and weapon upgrades.