Turn the Nintendo DSi system upside down! Play as the Imperial Armada out to destroy the Earth Defense Force in this topsy turvy take on arcade shooters! You control the unsung forces of arcade shooters past with three kinds of ships including giant bosses! Draw a line to send the fighters down. Touch the guards to make them shoot. Make your boss ship fire multiple weapons including an enormous blast that destroys everything in its way! Then take on a friend! Two players can battle each other o...