Gaming system having dynamic payback percentage as a function of enabled features

A method of operating a gaming system comprising:

• detecting receipt of a primary wager for playing a primary wagering game;
• activating a first bonus feature in response to a first eligibility criterion being satisfied and a first selection input;
• activating a second bonus feature in response to a second eligibility criterion being satisfied and a second selection input;
• displaying a randomly selected outcome of the primary wagering game;
• in response to a first triggering event associated with the first bonus feature, conducting the first bonus feature if the first bonus feature is active;
• and
• in response to a second triggering event associated with the second bonus feature, conducting the second bonus feature if the second bonus feature is active;
• wherein an aggregate payback percentage of the wagering game increases upon activation of the first bonus feature and further increases upon activation of the second bonus feature.

A method of operating a gaming system comprising:

• detecting receipt of a primary wager for playing a primary wagering game;
• activating a first bonus feature in response to a first eligibility criterion being satisfied and a first player input selection, the first bonus feature having a first bonus payback percentage;
• activating a second bonus feature in response to a second eligibility criterion being satisfied and a second player input selection, the second bonus feature having a second bonus payback percentage, the second bonus payback percentage being higher than the first bonus payback percentage;
• displaying a randomly selected outcome of the primary wagering game;
• in response to a first triggering event, selecting either the first bonus feature or the second bonus feature;
• in response to the selection of the first or second bonus feature, conducting the selected bonus feature;
• and
• in response to a second triggering event, conducting the other bonus feature;
• wherein an aggregate payback percentage of the wagering game increases upon activation of the first bonus feature and further increases upon activation of the second bonus feature.