A Pachinko bonus game system for an underlying game machine. The Pachinko bonus game has a playing field with a plurality of rows of pegs. A ball is launched onto the playing field by a launch mechanism when an initiate condition occurs during play of the underlying game. A row of lanes are provided...http://www.google.de/patents/US6220593?utm_source=gb-gplus-sharePatent US6220593 - Pachinko stand-alone and bonusing game
