Portal BioShocks GDC AwardsGameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Portal BioShocks GDC AwardsValve's mind-bending puzzler takes home Game of the Year, ties 2K's undersea adventure with three awards; Phantom Hourglass, Crackdown also honored. SAN FRANCISCO--As is the case every year, Wednesday comprises the most frantic 24 hours of t
