XCOM: Enemy Unknown

XCOM: Enemy Unknown incorporates various elements that transcend genres, and expands on the legacy with an entirely new vision, story, enemies and technologies that will appeal to fans of the series and newcomers alike. Threatened by an unknown enemy, the Earth’s governments unite to form a secret paramilitary organization, known as XCOM, to combat this extraterrestrial attack. As the commander of XCOM, you control the global defense team in a battle against a terrifying alien invasion by creating a fully operational base, researching alien technologies, planning combat missions, and controlling soldier movement in battle.