Red Dead Redemption
See the Four Horses of the Apocalypse, Bigfoot and the hordes of zombies in Undead Nightmare, the DLC/spinoff of Red Dead Redemption. Available on PSN/Xbox Live or as a separate disc.
The latest DLC for Red Dead Redemption brings zombies to the Old West. Undead Nightmare will also bring new mechanics, animals, weapons, outfits and a secret location. Undead horse ftw!