The game is set in the near future during a global alien invasion. A group of countries (called the Council of Nations) has banded together to create XCOM, the most elite military and scientific organization in the history of mankind.
XCOM is tasked with defending the planet against the alien invasion. You take on the role of the commander of XCOM and must fight the war against the unknown extraterrestrial enemy both through tactical combat missions and by creating and managing a fully operational base of operations capable of defeating this highly advanced enemy.
