Quote Originally Posted by nightwind1 View Post
How could something only limited by your imagination be "too limited" or "boring"?

This does not compute.
Not quite, it is a group endeavor. As such it's limiting factor can be group dynamics, the imagination of the group, and the groups suspension of disbelief. Another factor is also always going to be the system used to roleplay, which all have their own quirks and limitations and lead to similarly constructed games.