A method of operating a wagering game comprises detecting receipt of a primary wager for playing a primary wagering game, and activating a first bonus feature in response to one or more first eligibility criteria, the first bonus feature having a first bonus payback percentage. The method further comprises activating a second bonus feature in response to one or more second eligibility criteria, the one or more second eligibility criteria including activation of the first bonus feature. The second bonus feature has a second bonus payback percentage higher than the first bonus payback percentage. The method further comprises displaying a randomly selected outcome of the primary wagering game, and in response to at least one triggering event associated with the first and the second bonus features, conducting the first or second bonus feature if the first and second bonus feature is active.