There are two ways to lose. The primary and most familiar is to exhaust ships, but the player guards ranks of blocks which are stolen and placed to spell the words "The End". The game is over when this happens.
DeveloperKonami
PublisherStern Electronics
ReleasedJanuary 1, 1981
StatusReleased
GenresShooterArcade
ThemesActionScience fiction
PlatformsARC Arcade
ModesSingle player