US Patent 7780531 Gaming machine having a community game with side wagering

A gaming system includes at least one community display, a first gaming machine, and a second gaming machine. The at least one community display displays a communal game that includes a plurality of elements. At least some of the plurality of elements have a communal value associated therewith. The first and second gaming machines have a respective first and second video display for displaying the plurality of elements. At least some of the plurality of elements have a first and second player value associated therewith. The first and second gaming machines determine the first and second player values by applying a respective first and second value-enhancement parameter to the communal values associated with at least some of the plurality of elements. The first value-enhancement parameter is different than the second value-enhancement parameter.