The final task after John Marston's death and you take over as Jack Marston is to track down and kill Edgar Ross, the man responsible for John's killing.
No, in undead nightmare you basically kill zombies and do zombie missions
Because he was an outlaw and was involved in Dutch's Gang.
fire bottler or water
you can kill then shoot them in the head :p
You can't do co-op in offline but you can in online. To do this you go onto free roam for online multiplayer, press select and go down to co-op mode.
kill
An Appointed Time
You simply aim at the bats, and throw them.
Its when you kill someones animal or animals in town.
Kill zombies, rescue towns, ect.
you fail the stranger mission if you threated or kill them