The zombies are back and this time they have arrived to a military camp where you will face them will your deadly weapons and artillery. Unlock several guns and rifles and purchase them to fight the incoming waves of blood thirsty zombies in the higher levels. Hold your line of defense and stop the zombies from breaking the barricades other wise they will enter and attack you. Use the WASD keys to move and the R key to reload. Change your weapons from the Q and E keys. To unlock rooms and fix barricade windows, hit the F key. Throw grenades by G. use the mouse to aim and fire. Survive as long as you can.