This game definitely would be on a whole other level of awesome if they would incorporate on-line co-op. Who would not love to experience a south park episode with their friends as characters.
I was kind of hoping for a on-line game-play experience similar to WOW but obviously with the comical satire and awesomeness of south park added.
I pray they work something out in the long run, maybe even the release of a DLC that creates multiplayer adventures. I do not know if that is even possible.