Players can use a powerful bomb to destroy everything on screen, shoot a comet power-up that grants temporary protection from a limited number of hits, and a shield-repairing item dropped off by a friendly spacecraft.

Game bosses are fought at the end of each level as the player moves through the Solar System.

The goal is to retrieve vials of medicine and deliver them to the Earth while preventing Nemesis from passing through the planet's atmosphere.

[3] At the conclusion, the player receives a congratulation message from Nester, who is the president of the terrestrial federation.

[4] Brett Alan Weiss from Allgame said that the game requires full concentration and good shooting skills, but called it entertaining.