A gaming machine for conduction a wagering game is disclosed according to one embodiment. The gaming machine comprises a wager input device for receiving a primary wager to play the wagering game. The wagering game further includes at least one display for displaying a randomly selected outcome of a basic game of the wagering game. The randomly selected outcome is indicated by a plurality of symbols. At least one of the symbols is a bonus symbol that triggers a bonus game in response to a certain condition being met. In response to the randomly selected outcome including at least one bonus symbol without the certain condition being met, the at least one bonus symbol may be utilized in a subsequent basic game to trigger a bonus game in the subsequent basic game if the certain condition is met.