XCOM: Enemy Unknown

XCOM: Enemy Unknown - a legendary strategy, which came to mobile devices. In the story Earth was attacked by alien forces, so the governments of all countries to unite against a common threat and created a secret division of XCOM, the head of which will stand the user. To ensure the safety of humanity he has to coordinate all the troops and protect all corners of the globe from the encroachments of visitors from outer space. To do this, you need to set the satellites tracking the movements of the alien ships, as well as to develop the army. From time to time will have to engage in combat with the enemy. Of the captured equipment of the enemy you can extract new technology that will enhance the combat capability of troops and will help in future battles.