After a sly and stealth showing at the NWC Nintendo unveiled that Blast Ball, was actually the competitive multiplayer portion of Metroid Prime: Federation Force. Metroid Prime: Federation force is a Sci-Fi co-op FPS that requires you and your squad mates to tackle a variety of intense mission based objectives set in the Metroid Prime universe. The game is set to feature both 1-4 player co-op in the main storyline and 1–6 player team based PvP in Blast Ball. To see the game in action check out the trailer below.