11. XCOM: Enemy Unknown (2012)
Some people peg this RTS as “too action based”, however over the course of the years, those critics claims were deemed to be irrelevant. The Humans vs Aliens grudge battles are backed by gunpower and foreign super powers, such as psychic abilities, make this a prime choice for our extraterrestrial lovers. Also, the replay value of this game is one of the highest on our list.