Valve Unveils “Swamp Fever” Campaign For L4D2

Valve has unveiled their Swamp Fever campaign for Left 4 Dead 2 at this years Comic Con. The campaign will pit the 4 survivors across a damp swamp infested with traditional Zombies and the new “Spitters”. The Spitters as you guessed it, spits acid and even if it misses its target it will cause harm where it lands for several seconds. Swamp Fever is looking to be a freaky thrill ride of an campaign. Hit the jump for screens.