Valve confirms Portal 2 cross-platform integration

Steam studio breaks new ground with PS3/PC/Mac multiplayer capabilityValve has revealed that its hotly-anticipated upcoming title Portal 2 will be released with a cross-platform capability allowing gamers to use multiplayer across the PS3, PC and Mac platforms. Players on all three platforms will also have the ability to chat online and PS3 owners will be able to upload their saved games to a