Patent ID: 8202158

Claim:
A portal apparatus for generating one or more bonus games for combined play with a base game in a combined wagering game, the one or more bonus games being associated with one or more bonus game modules that include bonus game data for generating outcomes of the one or more bonus games, the base game associated with one or more base game modules, the combined wagering game having a combined expected value, the apparatus comprising: one or more portal processors; at least one memory device; a portal module stored on the at least one memory device that, when executed by the one or more portal processors, causes the one or more portal processors to operate with the one or more bonus game modules and the one or more base game modules to: receive, prior to play of the base game, the base game expected value of the base game, wherein the base game expected value is a theoretical value that the base game will award, on average, over an extended number of base games; generate at least one desired bonus game expected value, based on the received base game expected value, wherein the at least one desired bonus game expected value is a theoretical value that a bonus game will award, on average, over an extended number of bonus games; and generate, by applying at least some of the bonus game data to the at least one desired bonus game expected value, one or more compatible bonus games having the at least one desired bonus game expected value, wherein the one or more compatible bonus games produce the combined expected value of the combined wagering game when played in response to an event occurring in the base game.