Red Dead Redemption is getting new DLC this month: Undead Nightmare. It boasts a very cool Single Player story, combining RDR with Night of the Living Dead. There's also a new Multiplayer mode, where you are all just trying to stave off wave after wave of Zombies. Trailer: http://www.ign.com/videos/2010/10/13/red-dead-redemption-undead-nightmare-trailer