. . . "or skillUS8043157Feb 10, 2005Oct 25, 2011IgtMethod and apparatus for gaming machines with a tournament play bonus featureUS8057308Jul 30, 2007Nov 15, 2011IgtGaming system having multiple gaming devices that share a multi-outcome displayUS8070595Feb 10, 2009Dec 6, 2011Cfph, LlcAmusement devices and games including means for processing electronic data where ultimate outcome of the game is dependent" .