US Patent 8702487 Gaming machine having a game outcome determined by group association

A method and apparatus for playing a wagering game with a winning game outcome determined by the selection of at least two groups from a plurality of groups. Each group having a plurality of possible game outcomes, with the possible game outcomes duplicated in some or all of the groups. The winning or selected game outcome is the game outcome associated with each of the selected groups. The selected game outcome may be determined by the intersection of the selected groups, or may be the game outcome that is common to each of the selected groups.