In the vast Laser Gates automatic computer protection has failed, and the players man Dante Dart flexible spacecraft, in a last-ditch attempt to disarm the computer before it self-destructs. And that would be an automatic defense system will not protect themselves? the player's ship has to avoid physical contact with anything else in the game, although they are lethal barriers to computer security field. Force fields can not be disabled, avoided only by careful timing. Other defenses will be launched towards the player ship constantly, and the only chance to survive is a combination of fast shooting and picking up each capsule charge of energy at all. In the end, Dante dart must destroy the four major components of a computer, which makes for some stick-rattling battles with the bosses.