Red Dead Redemption: Undead Nightmare
Red Dead Redemption: Undead Nightmare, later released as a standalone game, adds a new single-player experience in which Marston searches for a cure for an infectious zombie plague that has swept across the Old West.
- Developer: Rockstar North, Rockstar San Diego
- Publisher: Rockstar Games, Take-Two Interactive
- Released: 2010-10-26
- Genres: Shooter, Adventure