They're back... only this time the heinous aliens are out to destroy earth and rule the new Frontier. As X-COM commander, its your sole duty to protect humanity and the prized mining operations in outer space. You must strategically equip your X-COM fighters, amass a formidable aresenal and then fulfill your mandate by going head-to-head with the devious element. The action is fast and the opposing forces wicked. But if you are smart, diligent and quick you will prevail in a masterfully fought campaign to save our planet from perilous collapse.