Patent ID: 6988732

Claim:
A method for playing a casino game comprising: receiving a wager for the casino game, playing an underlying game of chance in the casino game, awarding payoffs when play of the underlying game of chance results in a winning combination, playing a knowledge-based bonus game in the casino game using answers from a player when a bonus condition occurs in the underlying game, playing the knowledge-based game after playing the game of chance without any intervening game which would affect the payoff of the game of chance, the play of the knowledge-based game having a bonus payoff separate from the payoffs awarded in the play of the underlying game of chance so that the entitled payoffs are made for the underlying game regardless of the outcome of the knowledge-based game, the combined play of both the knowledge-based bonus game with the underlying game of chance over time having a house advantage for the casino game within a predetermined range, the predetermined range having set limits based on the correctness of the answers and the wager.