Xbox Live Gold members will be able to grab a new game as part of Games With Gold starting March 1 on the Xbox 360. The first game of the month will be Sid Meier's Civilization Revolution. Usually available for $29.99, the title will be available for free for XBL Gold members from March 1 to March 15 . It was originally released on July 8, 2008 and developed by Firaxis Games. The second game will be Dungeon Defenders going free from March 16 to March 31. Normally $14.99, the XBLA title brings co-op tower defense action for up to four players with a mix of RPG. It was released on October 19, 2011. Source GameTrailers.