Oh, the suspense is killing me!
Meet up with the original L4D crew in the DLC this week.
The Valve boss, making bold claims.
Yeah, that's 28-billion. But don't worry, Valve will make more.
Meet up with the cast of the original Left 4 Dead in this add-on.
Valves wants you to contribute. How nice.
Meet up with old zombie-slayers in Left 4 Dead 2's first downloadable content.