XCOM: Enemy Within is a major expansion pack for XCOM: Enemy Unknown . It is not merely a patch; it adds a significant amount of new content, including new soldier abilities, new enemy types, and new strategic resources.
If you are looking for the absolute deepest way to play, the community frequently points to the Long War mod , which expands the EW mechanics into a grueling, multi-hundred-hour campaign. XCOM: Enemy Within - REVIEW xcom enemy within upd
: Soldiers can be surgically converted into hulking, mechanized suits that wield flamethrowers and heavy cannons but cannot take cover. XCOM: Enemy Within is a major expansion pack