The invasion of the aliens continues to spread and the threat increases rapidly. Meanwhile, XCOM is subjected to a sinister grouping called EXALT. But luckily, the XCOM researchers have succeeded in the field of biomechanics and they can send a powerful new weapon into the field: the MEC fighters. XCOM: Evolution expands the cooperative real-time game for new inserts, new aliens and a whole new threat from the inside. So grab your plasma cannons and show the aliens what it means to protect the earth!
