Ufo: Enemy Unknown Info

You recover alien corpses and technology from crash sites to develop laser and plasma weaponry.

As the Commander, you start with basic human ballistics while fighting various alien species, such as the physically frail but psionic and the brutish Mutons . The "story" is largely driven by your research: UFO: Enemy Unknown

Soldiers must fight through the Martian surface and into the underground alien complex. You recover alien corpses and technology from crash

The modern XCOM: Enemy Unknown reboots this story for a new timeline. In the timeline of XCOM 2 , it is revealed that X-COM actually lost the war early on, and the "victory" from the previous game was a simulation run in the Commander's mind while they were held captive. The modern XCOM: Enemy Unknown reboots this story

The story continues in X-COM: Terror from the Deep , where a second wave of aliens awakens from the ocean floor.

The ultimate goal is to destroy the Alien Brain , a massive bio-computer that serves as the mastermind and central hub for the invasion. The Endings