This collection contains 6 titles in the X-COM series plus 2 DLC packs:
- XCOM: Enemy Unknown
- XCOM: Enemy Unknown: Slingshot Pack
- XCOM: Enemy Unknown: Elite Soldier Pack
- X-COM: Apocalypse
- X-COM: Enforcer
- X-COM: Interceptor
- X-COM: Terror from the Deep
- X-COM: UFO Defense