Rescate Atlantida (S) (1988) - Amstrad CPC - Adventure, Exploration

The advanced civilization of the planet Somerset built a gigantic exploratory spaceship called Atlantis, and sent it to research the planet Earth. After the completion of its task, the ship submerged to an oceanic abyss. The D.A.G. ("giant-looking depredators"), a war-mongering civilization, took possession of Atlantis with the intention of conquering Somerset and the universe. Somerset sends a hero to rescue Atlantis from the enemy, and return it home.