Abstract: A method of a house apportionment of a bonus value during bonus game play, entry for which occurs during play of an underlying game of chance. The method of house apportionment has steps of awarding the player a portion of the bonus value for the bonus game and adding the remainder of the bonus value to at least one escrow account available to reward subsequent players, such that the bonus value paid by the house is constant and the house advantage is fixed regardless of player proficiency in the bonus game. The bonus games include knowledge-based playing. The knowledge-based bonus game includes a player answering, selecting, or guessing the proper responses to questions. The answering, selecting, or guessing has the step of challenging the player with questions having a common theme or varying difficulty. The knowledge-based playing has the step of asking the player questions the bonus value of which is measured against survey responses.

Abstract: A method of a house apportionment of a bonus value is used to pay during play of a bonus game. Entry of the bonus game is achieved during play of an underlying game of chance. The method of house apportionment includes steps of awarding the player a portion of the bonus value for the bonus game and adding the remainder of the bonus value to at least one escrow account available to reward the player or subsequent players. The awarding step is based on bonus games including the step of knowledge-based playing. The awarding step of the knowledge-based bonus game includes the step of knowledge-based playing by answering, selecting or guessing the appropriate responses to questions. The step of knowledge-based playing includes the step of selecting or guessing the appropriate answers to multiple choice questions. The step of knowledge-based playing by answering, selecting or guessing includes the step of challenging the player with questions having a common theme.