Patent ID: 6203429
Filing Date: 2001-03-20
Classification: A63F,G07F

Abstract:
A processor controlled game of chance comprising:a) a processor, operating according to a game program, for randomly selecting symbols and for awarding credits when winning symbol combinations are selected;b) display means on which said selected symbol combinations are displayed to a game player;c) said processor operating in a basic mode unless and until a bonus symbol combination is selected, said processor, in said basic mode, selecting symbols and awarding credits or money in response to the input of money or credits by said player;d) said processor operating in a bonus mode after said bonus symbol combination is selected; said processor, in said bonus mode: (1) selecting an outcome as the result of a trial having a first probability of a winning outcome; (2) displaying the outcome on a display; (3) adding credits to a bonus mode total if said outcome is a winning outcome; (4) repeating steps d(1) to d(3) accumulating credits for each winning outcome using the same or a different probability of a winning outcome, until a losing outcome occurs wherein the bonus mode is ended and credits accumulated in earlier trials are not lost;whereby a player who reaches the bonus mode accumulates credits as a function of the number of trials survived.