Ufo: Enemy: Unknown

You discover that alien technology relies on Elerium-115 , a stable heavy element not found on Earth, which becomes the most vital resource for humanity's advanced crafts and weapons.

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 UFO: Enemy Unknown

Once X-COM develops the (a powerful interstellar craft), they launch a final mission to Mars. You discover that alien technology relies on Elerium-115

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 They establish the , providing it with funding,