Originally published at: 5 Things You Need to Know About XCOM: Enemy Unknown | POCG
X-COM has history. The series has been around since 1994, and for an entire generation of PC gamers the original X-COM: Enemy Unknown sits near the top of every greatest-games-of-all-time list. Born in the same house as Civilization, Microprose, it had the Gollop brothers build a strategy game so deep that designers are still trying…