Go in Multi-Player free roam, press back (XBOX 306) or select (PS3) and a menu will come up on the left.
Go into game modes and it should be on the list.
It should say 'Co-op Missions'
you need red dead redemption to play outlaws to the end
There are several co-op missions.
you don't need a cheat, you just download it from the playstation store
Because they were killing the outlaws and using john to do it. but john used to work with them so they are killing the WHOLE gang and John was one of them,
No.
Yes and you get to improve on your profile.
When you do a gnang hideout you get one at the end.
Because he is a creeper...
No. Undead Nightmare standalone disc is the Undead Nightmare, Legends and Killers and Liars and Cheats packs (possibly Outlaws to the End too) + Multiplayer. There's a possibility your multiplayer lvl from RDR carries over when using the UN disc. I do not know as i have RDR and the UN download for Xbox but the UN disc for PS3
yes you do at the end you become john marstons son
there may be a game where you play as jack marston but it is very unlikely as the wild west dies soon after the end of red dead redemption
no that's the end since every one that you knew is dead