Then you become a zombie and that's it you probably didn't do the side missions
Being undead is not alive
a zombie
whatever you want.
It is not known but i assume around 20-ish.
It's (quite conveniently) directly under the "EC" in Beecher's Hope.
In Undead Nightmare, the campaign missions end after you become undead. At this point the only thing you can do are stranger missions and work on getting 100 percent completion if you like achievements.
No because Undead Nightmare is essentially a whole different game. You can only play as his son Jack at the end of the regular Red Dead Redemption.
its on Undead Nightmare
It's seperate to the original Red Dead Redemption. You can tell straight away as John Marston is still alive.
You cannot get Red Dead Redemption - Undead Nightmare on the PlayStation Portable.
No you can only use them in the undead nightmare.
No you cannot join with the zombies in undead nightmare