Collect weapons where you can. Manage your time well. Will you spend precious daylight hours repairing your defense, or searching for other survivors to help you fight? The promise of rescue beckons - if you can survive long enough to make it. Key Features: Manage your time by day - search for weapons and survivors, or keep your defenses repaired. Defend your position against the horde by night. Revel in the carnage with a fully detailed ragdoll and dismemberment system. Intense, action-driven gameplay. Can you make it through America and towards a final rescue? Increase the challenge with NewGame+, and play through the campaign with a friend in 2-player Coop. ZiGen Science Facility and CrimPlex Prison Complex added as free updates on all platforms - with new levels, weapons, branching campaign and more.