The present invention includes a system, apparatus and method for providing a bonus game which may be shared competitively, collaboratively or both among a plurality of players. Each player participating in the bonus game generates entries thereto in association with play of a base, or primary, game...http://www.google.es/patents/US6869361?utm_source=gb-gplus-sharePatente US6869361 - System, apparatus and method employing controller for play of shared bonus games
System, apparatus and method employing controller for play of shared bonus games
