XCOM: Enemy Unknown was released on October 9th, 2012 in North America and on October 12th internationally. XCOM: Enemy Unknown took home 20 awards at E3 2012 including the Game Critics Award for Best Strategy Game and Best PC Game as well as GameSpy and IGN’s Best Strategy Game Award. The game re-imagines the classic UFO: Enemy Unknown/X-COM: UFO Defense and brings its tense, tactical game play to a new generation. XCOM: Enemy Unknown is the turn-based action-strategy game developed by Firaxis Games, the same company behind the massively successful Civilization games.