Gaming system having passive player participation in secondary wagering games

A gaming system comprises a wager input device for receiving a primary wager from a player, the player associated with a player account, and at least one display for displaying a primary wagering game and a secondary wagering game. Secondary wagering game outcomes are independent of the primary wagering game. The system further comprises a controller operative to cause the at least one display to display a randomly selected outcome of the primary wagering game; upon the occurrence of a first triggering event, enter a player into the secondary wagering game, wherein the player is represented in the secondary wagering game by a player avatar; upon the occurrence of a second triggering event, end the player?s participation in the secondary wagering game; award the player any awards collected by the player avatar in the secondary wagering game; and credit the player account by the amount of the collected awards.