An interactive bonus game played in conjunction with a base game. To initiate play, a player selects a character from a list of characters in a gaming device. The player then makes a wager and plays the base game. Entry into the bonus game is achieved upon a qualification event in the base game. In the...http://www.google.es/patents/US6902478?utm_source=gb-gplus-sharePatente US6902478 - Method and apparatus for an interactive bonus game
Method and apparatus for an interactive bonus game
