File: Xcom Enemy Unknown - - The Complete Edition...

The Complete Edition contains the following four components:

A set of linked Council missions featuring a unique recruit, Shaojie Zhang, and new character customization options. File: XCOM Enemy Unknown - The Complete Edition...

A massive expansion that adds new soldier abilities (Gene Mods and MEC Troopers), a new enemy faction (EXALT), new alien types (Mectoids and Seekers), and dozens of new maps. The Complete Edition contains the following four components:

The core campaign where you manage your base, research alien technology, and lead squads in tactical combat. a new enemy faction (EXALT)