A method of operating a game of chance comprising displaying a plurality of groups comprising positions a plurality of selectable objects, each being associated with a hidden value. A player selection of a group and/or a selectable object is received, a group-object association is created and a position...http://www.google.fr/patents/US7828642?utm_source=gb-gplus-shareBrevet US7828642 - Method of operating a grouped selection game
