No you can't there is only one in the game.
you have to finish all of the undead unter missions before you can find him.
You must finish all the Undead challenges in order to get the Chupacabra
its on Undead Nightmare
yes you do and after you kill the chupacabra you can get a unicorn and its going to be where you killed the chupacabra at but west from Torquemada in the field
You can't play coop on Red Dead Redemption or Undead Nightmare.
You cannot get Red Dead Redemption - Undead Nightmare on the PlayStation Portable.
You can find it in the eastern area of Mexico.
No, if you buy the one for 20 dollars that is undead nightmare but not the original. The only way to get both is buy the Original Red Dead Redemption and then buy the Undead Nightmare add-on
No you cannot join with the zombies in undead nightmare
Well, you can get Undead Nightmare into the Red Dead Redemption disc if you download it from the PlayStation Store.
A Chupacabra is a real life myth featured in Red Dead Redemption Undead Nightmare, it is a wolf like creature that is either black or dark grey with a black or grey mane, is has a hunched back, with a few little spines sticking out of it's back if i recall correctly, it also has a dog like face and is commonly known for killing small farm animals like chickens, goats and sheep. It is necessary to kill it to unlock the Unicorn and will only spawn once it is your goal to find and kill it on the Undead Hunter challenge list.
I would say Undead Nightmare is a DLC because you die in The 1st Red Dead Redemption...