X-COM: Terror From the Deep

In "X-COM: Terror from the Deep," the alien invasion continues beneath the ocean's surface as dormant sea creatures awaken. As the leader of X-COM, you must utilize advanced undersea military technology and navigate multilevel tactical maps to defend Earth from this new aquatic threat. This sequel to "X-COM: UFO Defense" offers undersea geoscape mapping and rich graphics, immersing you in the battle for Earth's survival.