Serious Sam gets serious discounts as Amazon’s PC download deals of the week

XMNR: The Amazon PC download deals for the week of Sunday, May 13 get serious with multiple deals for Croteam's Serious Sam. Not only can you get up to 75% off games like Serious Sam 3: BFE or Serious Sam HD: The First Encounter, you can get additional savings by buying the games in "4 packs" to share with friends.