With the fall of Omega Command, the door to the Shiborium star system is wide open. The Pulsarian Fleet is pouring through. Carnage and utter mayhem follow as our heroes fight to defend this vital strategic point in a galaxy ravaged by war. There's no turning back. No other star systems to flee to. This is it: The ultimate battle for survival for the free peoples of the galaxy. Can our heroes and their allies hold? Or will they be caught in a devastating trap the Pulsarians have set for them?