Patent ID: 6896261

Claim:
A method for playing a Pachinko casino bonus game during play of an underlying casino game, the method comprising: delivering a place piece onto a playing field on the Pachinko casino bonus game when a bonus game condition occurs in the underlying casino game; the playing field having a plurality of lanes; the play piece traveling through one of the plurality of lanes in the playing field; associating in the Pachinko casino bonus game with each of the plurality of lanes a predefined expected payoff value to a player over all play of the Pachinko casino bonus game, said predefined expected payoff value a function of a plurality of payoff values for each said lane, the plurality of payoff values greater in number than the plurality of lanes; issuing in the casino game one of the plurality of payoff values for the one lane the play piece travels through as a payoff, the plurality of payoff values for each of the plurality of lanes different from the remaining lanes while maintaining the predefined payoff value; crediting, in the Pachinko casino bonus game, a player the aforesaid one payoff value.