Burbank-based Walt Disney Company said today that it has acquired social gaming firm Playdom, in a deal worth $563.2M, plus earn-out of up to $200M. Playdom develops games such as Social City, Sorority Life, Market Street and Bola. Disney said the acquisition will strengthen its digital gaming portfolio, and also give it access to a "first-rate" management team. Playdom will remain headquartered in Mountain View, with CEO John Pleasants becoming an Executive Vice President of the Disney Interactive Media Group (DIMG) and General Manager of Playdom. Pleasants will report to Steve Wadsworth.