Fight the zombies for as long as you can. with each elimination you get your character closer to being faster stronger and better. 5 different classes, each one gives you more health, shield, damage, speed, and regen. 5 different areas in which you can fight the zombies, some are more difficult but more rewarding. All data is saved so you can come back anytime. Guns and consumables are scattered throughout the map Massive selection of guns Tanks, planes and cars!!! Shooting range Have fun!