This your last stand against waves of Zombies tryiing to kill you. Get your guns loaded and survive aginst them as long as possible with more than 10 diffrent types of guns in at your dispoasl from Machine guns to revolvers to shotgun, Rocket launcher ,Mini guns Plasma Guns etc. You can even hire a companion to help with your battle or install sentrysto take them Out. Game has accurate limb dismemberment. So slice them in to pieces of put them on fire and shock them.
WASD to moveP to PauseShift to sprintF to UseMouse wheel to change weapon