The rogue misfits of Croteam, Devolver Digital, and Mastertronic are stepping up their holiday spirit and offering cheer-inducing discounts for all things Serious Sam on Xbox LIVE Arcade this holiday season. Starting now Serious Sam 3: BFE, the Serious Sam 3: Jewel of the Nile DLC pack, and both Serious Sam HD: The First and Second Encounters will all be 50% off for both naughty and nice g... more.