Zombie apocalypse has started. Initial contacts with zombies are extremely traumatic, causing shock, panic, disbelief and possibly denial, hampering survivors' ability to deal with hostile encounters.

Mouse 1 : fire weapon Mouse 2 : raise sights or block W A S D: Move Player Left Shift : sprint Left Ctrl : crouch X : prone Q : lean left E : lean right Space : jump F : use item R : reload G : throw grenade Esc or Tab : Pause