How to Play
Onslaught: Basic Killing Zombies in multiple rounds mode.
Purge: Take out multiple zombie spawn nests, Zombie spawn nests have lots of health and take lots of time to kill (except for the flamethrower). Only available in Co-op mode.
Apocolypse: Zombies spawn until everybody is dead. Only available in Co-op mode.
Nightmare: Nightmare mode is only available in Multiplayer and is used to get Elite XP, which is used for ranking up from ranks 40 to 50. To play Nightmare Mode, click the box that says Nightmare on it. The zombies in Nightmare have 10 x more health, are faster, and deal more damage.
WASD – Move
[Click] – Fire Weapon
Q/E – Change Weapon
R – Reload Weapon
F – Fix Barricade
C – Cyro-Grenade
G – Grenade
[space] – Buy Ammo/Change Weapon
Note: Holy Grenade [H] is not available in PC version on this game.