Undead Nightmare 2 Red Dead Redemption: Undead Nightmare is one of the most successful video game DLCs to date. Rockstar Games has confirmed that it's currently not focused on Red Dead Redemption 2 single-player DLC or Undead Nightmare for either RDR2 or … Red Dead Redemption 2's been out for a good long while now, but there's still no hint of a sequel to the Undead Nightmare, the first game's fantastical standalone expansion. Red Dead Redemption 2 Undead Nightmare 2 Mode – What is it? Undead Nightmare 2 is an expansion pack for Red Dead Redemption 2 made by Rockstar Games that adds a whole new story mode, focusing on Arthur Morgan as he searches for a way to stop the outbreak of supernatural creatures spreading around each of the states; not only zombies, but vampires and werewolves as well. Red Dead Redemption 2 and Red Dead Online players have been asking for an Undead Nightmare-style expansion since Rockstar’s western was released last year. The Undead Nightmare's campaign followed original protagonist John Marston as he ventured across the frontier in an attempt to find a cure for the Undead plague … In the original game, Undead Nightmare was a standalone expansion pack that …