Server game: Left 4 Dead 2
Playing Versus With Bots 1 Team of 4 And 1 Team of Bots You And Your Friend Versus The Bots No One Else On The Other Team
Left 4 Dead, is a cooperative first-person shooter with many horror elements in it. It was developed by Valve and released in 2008.
The time where the game is in, is a apocalyptic pandemic. Many people are infected, and you kill those people ;)