Scientists had a promising vaccine ready for distribution until the infected began dying, only to wake with an insatiable hunger for human flesh. Governments scrambled to quarantine infected cities or outright collapsed as millions became infected. The world endured the Kulon pandemic that induced comas or death in its victims for over a year. Cooperation and teamwork are vital if the human race is to survive this living hell. In the sequel to the 2011 award-winning Source mod, you and your fellow survivors must make your way through a diseased world that has seen the dead rise to feast on the living. “When there is No More Room in Hell, the dead will walk the Earth.”