Boxhead The Zombie Wars:

Boxhead: The Zombie Wars is the 5th game in the series. It comes with new graphics, new enemies (lots of them) and Zombie Wars brings a new feature to the series, now you can construct your own base with turrets and barricades. In this mode you will be required to keep your base operational at all times otherwise the might of the Zombies and there allies will crush you. Movement: ?the arrow keys?, Shoot: ?Space bar?, Next/Prev Weapon: ?Z?/?X?, Pause: ?P?, Select weapon directly: ?Number Keys?.