When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters. Traverse the Pacific Northwest with friends or AI teammates in a desperate guerilla war against an invading extraterrestrial force. Fight against the ever-changing horde and save what’s left of humanity. Utilize futuristic weaponry, upgrade deployable barricades with fire or electricity, control mounted turrets, and battle through 15 levels of story-driven co-operative play. Hardcore Co-op -- Drop in, drop out, and engage in classic four-player co-operative gunplay inspired by the greatest co-op games of our time. Death from Above -- Fight the horde, a procedurally generated alien menace that makes every gameplay session tense, exciting, fresh, and utterly lethal. Well-Armed Allies -- Battle through an alien invasion using advanced weaponry, constructible defenses, and printable guns. When the world ends, the fight begins!