Set in the immediate aftermath of the zombie apocalypse, L4D's survival co-op mode lets you blast a path through the infected in four unique “movies,” guiding your survivors across the rooftops of an abandoned metropolis, through rural ghost towns and pitch-black forests in your quest to escape a devastated Ground Zero crawling with infected ene...
Survivors crashed their bus in an utility pole of a dark forest while fleeing. They must now find their way through the spooky North American mountains. The campaign includes a dense forest, a huge mansion, an underground complex, a coast road and its lumberyard and finally, a lakeside finale.
Time Paradox! The survivors are at the Omaha Beach bunkers for some reason. Will the americans or the zombies attack? They better get ready, whoever it will be.
PS. If you get gold, try to find the easter egg.