Ufo: Enemy Unknown May 2026

Destroying the Alien Brain severs the link between the invaders and their leadership, causing the alien forces on Earth to collapse and saving humanity.

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

Late-game research uncovers the truth: the invasion is being orchestrated by the , a highly advanced, psionic race that has enslaved other species to serve as their military arm. Their primary base in the solar system is located in the Cydonia region of Mars. The Final Assault: Cydonia UFO: Enemy Unknown

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

In the original 1994 game (released in North America as X-COM: UFO Defense ), the story unfolds through a mix of scripted events and emergent gameplay as you lead a secret paramilitary organization defending Earth from an extraterrestrial threat. The Outbreak (1998) Destroying the Alien Brain severs the link between

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:

If X-COM goes bankrupt, loses all its bases, or fails the Mars mission, the Council of Funding Nations surrenders. In the PlayStation version's defeat cutscene, the aliens violently murder the negotiator sent to discuss terms. Legacy and Continuity Their primary base in the solar system is

Once X-COM develops the (a powerful interstellar craft), they launch a final mission to Mars.