Left 4 Dead 2 is FREE today only on Steam!* Free Zombies! To celebrate the holidays in a special way this year, Left 4 Dead 2 will be free until 10AM PST on 12/26. It will be free as in, grab it now, pay no money, and it is yours to keep forever – FOR FREE! To claim your L4D2 gift, all you need to do is install it. If you don’t install, it goes back to its regular price and you miss out! The zombi