XCOM: Enemy Unknown

In XCOM: Enemy Unknown, you take charge of a clandestine paramilitary group known as XCOM. Your primary objective is to safeguard Earth from a frightening worldwide alien threat. To achieve this, you must oversee combat tactics, advance various technologies, and manage your limited resources. You are responsible for the survival of humanity by researching extraterrestrial technology and maintaining a functioning base of operations.

You will recruit and tailor unique soldiers while managing your personnel. Your duties include detecting and intercepting alien dangers as you construct and develop your headquarters. You lead squads in turn-based ground warfare and deploy air units like the Interceptor and Skyranger. The struggle takes place across the planet, with the XCOM team participating in more than 70 unique missions while negotiating with governments.