Left 4 Dead 2 New Campaign has been released! Downloadable content for zombie thriller Left 4 Dead 2 has arrived!
The download -- announced in December -- will feature the four survivors from Left 4 Dead 2 teaming up with survivors from the first game as they battle zombies in a small Georgia town.
Portal 2! Valve, creators of best-selling game franchises (such as Left 4 Dead, Counter-Strike, Team Fortress and Half-Life) and leading technologies (such as Steam and Source), announced Portal 2.