Ufo: Enemy Unknown May 2026

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

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 UFO: Enemy Unknown

The story continues in X-COM: Terror from the Deep , where a second wave of aliens awakens from the ocean floor. You recover alien corpses and technology from crash

The story begins in 1998 following a massive spike in UFO sightings, mysterious abductions, and localized attacks. After individual nations like Japan fail to contain the threat independently, representatives from the world's most powerful nations meet secretly in Geneva on December 11, 1998. They establish the , providing it with funding, base facilities, and a mandate to identify and eliminate the alien menace. The Escalation Legacy and Continuity The story continues in X-COM:

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

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

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