A sci-fi war zone that pits players against an onslaught by the world-conquering Draelus. From the cockpit of their experimental Scythe fighter, players utilize free-roaming flight and multiple weapon variations to combat an armada of alien forces in the air and on land. With ship and weapon upgrades, and a slew of allied units, players engage the Draelus in a variety of planetary environments, completing objectives and facing fearsome opponents in their fight to drive back the invasion.