Your primary goal is to rescue a set number of civilians using a helicopter. Once the mission starts, zombies (called "Zed") flood the map from the edges; any civilian they touch immediately turns into another zombie.
You are randomly assigned different mercenaries for each mission, such as infantry, artillery, barricades, and landmines. Managing these units effectively—like using barricades to funnel zombies into the path of your infantry—is key to survival. Atom Zombie Smasher
Both you and the zombies compete on a "Victory Track" to reach a target point total (typically 6,000). You earn points by successfully controlling territories, which then provide daily bonuses. Your primary goal is to rescue a set