2K Games and Firaxis Games just released the “Casualties of War” trailer for their upcoming game XCOM: Enemy Unknown. There’s so much going on in this trailer, that it will be hard to wait for the game to come out later this year. Enemy Unknown takes you on a wild ride as the commander of XCOM, in this strategy game from the makers of Civilization. XCOM: Enemy Uknown launches in North America on October 9th for Xbox 360, PS3, and PC. Until then, check out the trailer below: