Certain embodiments provide a method and system for awarding a progressive prize. The system includes a bank of gaming machines accepting different bets per play as selected by a player. A random number is selected from a predetermined fixed range of numbers that does not change during play of a gaming...http://www.google.fr/patents/US7625283?utm_source=gb-gplus-shareBrevet US7625283 - Slot machine game and system with improved jackpot feature
Slot machine game and system with improved jackpot feature
