In the future, Earth is under alien invasion, and the player takes the role of its last defender, fending off alien spacecraft. STORY- The aliens have invaded everywhere over the world. As a super hero, you must grasp your weapons to fight and save the world. Whats new- - New BOSS - Full-screen move contorl - More weapon. AWESOME WEAPONS, including - Heavy machine gun - Large caliber Rifle - Laser Gun - Firearm - N-bomb.