A gaming machine bonus feature involving the selection of strategy options. The player selects strategy options, one at a time, in successive game stages. Each of the strategy options is associated with a game activity having a number of possible outcomes. After selection of the strategy options, a gaming...http://www.google.com.tw/patents/US6443837?utm_source=gb-gplus-share專利 US6443837 - Bonus games for gaming machines with strategy options
