You can battle others, train, and collect the dragonballs in this RPG. Once you collect all seven dragonballs you can with for more power, a spaceship, (to move from quadrant to quadrant) or you can revive a dead friend. If you want to prove your true evil nature, you can wish to revive MasterCell and restore chaos.
Also to make it easier you can collect Earth, Namek, or Black Star Dragonballs.