Much like the original Red Dead Redemption, [Undead Nightmare]] has it's own unique set of challenges which can be completed by John Marston. These are as follows:
Undead Hunter
- Rank 1: Kill 100 Fresh Undead and 25 Bolters.
- Rank 3: Use a single explosion of a Retcher to kill 2 other Undead.
- Rank 4: Kill 2 Undead bears, 5 Undead wolves, and 3 Undead cougars using a torch.
- Rank 5: Find and kill a Chupacabra.
Undead Treasure Hunter
These challenges require the player to find buried treasure with the help of a treasure map. The locations of the 5 buried treasures are listed below.
Locations
Rank 1: Northwest of Hennigan's Stead and North of Pike's Basin, the area itself is outside of the map, in the snowy area of New Austin.
Rank 2: Southeast of Coot's Chapel and Northeast of Lake Don Julio,
Rank 3: Northwest of The Scratching Post, the treasure is at the top of the hill
Rank 4: South of Sepulcro, in the middle of where three tropical trees are located.
Rank 5: Between Casa Madrugada and Agave Viejo, the treasure is on the slippery mountain, at the end of the path.