An electronic amusement device and method is disclosed for rewarding a player of a game based on the activity of other players. The method includes the step of determining the initiation of a player gaming session in which at least one play has been concluded. Such a play might include the conclusion of the spin of the reels of a slot machine, or the completion of a hand of video poker. The method also includes the step of determining a set of subsequent gaming sessions in which each of these sessions is initiated after the initiation of the player gaming session. Payouts are determined for each of these subsequent gaming sessions and a bonus is determined based on at least one of these payouts, the bonus being applied to the player gaming session. The disclosed slot machine implements the method of the present invention.