A free program for Android, by GHA Games.

What are the rules of survival in a world overrun by zombies? You will need to take on the role of a first-person shooter in order to defeat the hordes of undead creatures that have captured the city. As you play, you will need to use your gun to destroy the hordes of zombies.

The rules of survival in a world overrun by zombies

The rules of survival in a world overrun by zombies will depend on how much of the dead you have managed to save. As you play, you will need to manage the amount of time that you have to play in order to survive. The longer you survive, the more of the dead you will be able to save from the zombie invasion.