You are at your home and cleaning your bazooka, when someone was knocking at your door. You got shocked as you pen it as it is filled with zombies. You know one thing that needs to be done and that is to get rid of the zombies. In this game, you need to kill each zombies in that level before you can move on to the next level. This game is played with a mouse. As you make some progress, you would be unlocking powerful guns that you can use. You need to think in this game because there are situations where your bullets might not be enough.