Posted July 17, 2014
Green Man Gaming offers Steam downloads of the Bioshock 2: Minvera's Den DLC for Windows for $2.49. Coupon code "P36EYA-K5JYKT-ABO7X9" cuts that to $2. That's the lowest price we could find by $6. Note that this requires the Bioshock 2 base game to play.