9to5Toys has teamed up with GameAgent to offer our readers an exclusive 55% off deal on the popular Civilization: Beyond Earth Collection for Mac (Steam code). That brings the price down to just $27 (Reg. $59.99). This collection of content will run you over $80 on the Mac App Store and $60+ on Steam. This is $3 below our previous mention on Beyond Earth with the RT add-on.