You are the SeaQuest Deep Submergence Vessel serving the United Earth Oceans Organization. You will be sent on various missions to help Earth and its oceans, from salvage to rescue, etc. On the SeaQuest, you have radar and torpedoes to help you. When needed, you also can deploy other vehicles. The Game Boy version of this game differs from the others in that the missions are different and it is a 2D side-scroller.