removing the co-op aspect and instead a sole Survivor with no bot companions is pitted against an army of Special Infected. The L4D2 team is encouraging players to submit their best 60-second clip ...

Yet instead of the AI Director controlling all of the enemy Intelligence, real players on the Infected team step into the shoes of the Special ... on the leaders. Left 4 Dead 2 credit: Valve ...

Valve has announced the latest Mutation in Left 4 Dead 2, and it's a single-player mode ... or bots to help him out against "an army of Special Infected". YIKES. Valve is also "encouraging players ...