Evil has awaken and now, he is sending his minions to destroy the world. Fortunately, a hero appeared at the hour of our needs. He is a trapper with no fear and he won't anything to happen with the altars. The idea here is to protect the altar. You need to kill the entire zombies to finish a level. Some zombies drop money and some drops bullets. You can use the money to purchase better weapons and some traps. The bullets can only be use with the new weapons you purchased. You need to buy better weapons in the game since the zombies are increasing and they are getting harder to kill as you progress from one level to another.