Gamer's Gate have a Sid Meier week on.
Until January 24:
Civilization IV Complete Edition - 50%
Civilization IV Colonization - 50%
Civilization IV - 50%
Sid Meier's Railroads! - 50%
Civilization III Complete - 50%
Sid Meier's Pirates! - 50%
CivCity Rome - 50%
Click
here.