Guide Captain Skull through unforgiving asteroid fields and fight 8 levels of intense space battle. Use weapon power-ups to defeat the evil army of space warriors. destroy enemy ships using  FIRE button. Dodge enemy ships, hostile fire and meteors. Each level has a boss ship at the end. To complete the level you must win the boss battle. You have 3 lives at the beginning. Collect health bonuses to refill your health. Collect weapon bonuses to upgrade your weapons.
A shuttle comes to the abandoned science-research ship "Saga DB13". The main analyst Hale and his technical assistant Mayer have come in order to fulfill restoration works. They gather the information about injuries and system errors. Mayer can cross high voltage zones and active volt-amperes zones with the help of his protection suit "M:22b". The task of the analyst Hale is to gather the data on all the ship decks but this can hardly happen without Mayer’s help.