X-COM: Apocalypse is a strategy combat game, featuring challenging gameplay and real-time or turn-based tactical combat. The game is a substantial upgrade from X-COM: UFO Defense, and features superb SVGA graphics, more strategic gameplay , more realistic tactical squad combat, and significantly more action in the optional real-time combat mode. In X-COM: Apocalypse, you command the elite X-COM troops as they strive to investigate and repel an alien invasion of Earth. By hiring scientists and engineers , you can research and manufacture new weapons, vehicles, and armor so that your X-COM soldiers have the best equipment available during combat with the aliens. Through research and combat, you must discover the source of the alien invasion , penetrate the alien world and destroy the alien control center to prevent further invasions.