America, early 1900s. The cowboy era is coming to an end.
When federal agents threatened his family, former outlaw John Marston was sent across the American border to bring order and justice. Experience intense gunfights, spectacular train raids, duels and become a bounty hunter in a time of radical change.
Red Dead Redemption is a heroic fight for survival in a beautiful open world where John Marston struggles to bury his bloody past by eliminating his enemies one by one.
Red Dead Redemption: Undead Nightmare is the name of additional downloadable content for Rockstar's action game. It is also the title given to a disc bringing together all the expansions of the game in question.
On the blu-ray we find Undead Nightmare, Liars and Cheaters, Killers and Legends, Outlaws to the End as well as all the multiplayer modes released so far. Red Dead Redemption is not required to enjoy all of this.