Ufo: Enemy Unknown | Extended × 2026 |

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

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

Interrogating high-ranking alien captives reveals that the various species are being manipulated by a master race. The Revelation The ultimate goal is to destroy the Alien

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. a highly advanced