You called me mad.. Well.. WHO'S LAUGHING NOW???? HA HA HA HA.. *ahem* http://www.rockpapershotgun.com/2012/07/17/happy-feat-valve-open-up-about-steam-linux/#more-116478 " Left 4 Dead 2 will be the first game ported and, indeed, there is already a working version. Before release, however, Valve aim “to have L4D2 performing…