Originally Posted by
Mr Beer
Yeah, this is all campaign dependant. My guess is that a D&D game where everyone has a mental illness isn't intended to be an accurate portrayal of what it looks like when a bunch of people with mental illnesses get together in one place and interact.
From my brief experiences of visiting my father in various institutions, I think that would be a tragically sad and unhappy game. He suffered from bipolar disorder, now if someone was going to play a 'bipolar' character in an RPG, that might typically be depicted as someone who is inappropriately bouncy one minute and much like Eeyore the next.