User blog comment:Ttsahood/What do you think about undead nightmare/@comment-2113545-20111111012544/@comment-1998553-20111111095547

Ye, I'm seein it all. I thought it was obvious that UN took place in a non-cannon timeline to RDR. Also, you don't only have to hit the zombies in the head to kill them. If you hit 'em with the Blunderbuss it will destroy them, no matter where the shot lands XD

You can also set them on fire...