Between its fantastic game releases and wildly popular distribution platform, Valve has won the hearts of many PC gamers over the last few years. Mac users have long cried for support, and last week Valve and as it turns out, Steam and numerous Source games will launch on Mac in April, not May. Additionally, select titles purchased for Mac or PC will be playable on both platforms free of charge via a new feature called Steam Play. Portal 2 is also confirmed to be the first simultaneous release for Mac and PC.