[TEAM] Community custom story.

[Obliviator27]

Regardless of the fact that this is a new person, he brought up a very good idea that I'm surprised hasn't been done beforehand that much, if at all, in this community.

*ahem*
http://www.frictionalgames.com/forum/thread-11469.html
This sort of has happened before, except we were given quite the deadline.
Another reason these things don't happen too often is people usually just want to work on their own projects, which is entirely understandable.