The Parx Casino in Bucks County has added 71 more table games, bringing the total to 152. The casino has expanded the number of existing games and also added new games, including two that are popular with Asian gamblers.  Parx, on Street Road in Bensalem, has also added 400 new employees.  Most are dealers working full-time, but some are part-time.  Another expansion phase is planned for the spring.