Most, if not all MMOs incorporate at least some elements of Richard Bartle's research on player types in virtual worlds as a core aspect of game design, but Carbine's recently announced WildStar has taken those concepts and cranked them up to 11.
very first appointment of gamescom 2011 was a press briefing where
Carbine Studio Manager Jeremy Gaffney afforded us our first look at Wildstar,
a lighthearted, choose-your-own adventure sci-fi MMORPG with serious
hooks for Firefly