UFO! You're in command of an Earth Federation robot-controlled battle cruiser. Your mission is to protect earth from endless swarms of Unidentified Flying Objects! You're armed with laser cannon and protected by an energized force field... but beware of what appear to be light-speed Starships armed with computer-guided missiles! Advanced digital scoring with memory displays high player's name and score as well as current player's score. Sync-sound action. Any number can play.