A gaming terminal and a method for playing a wagering game on the gaming terminal. The gaming terminal is one of a plurality of gaming terminals and the wagering game has a prize pool. The method includes conducting a basic game having a randomly selected outcome. A player is awarded a payout amount if the randomly selected outcome is one of a plurality of winning outcomes. Also, the amount of the prize pool is increased if the randomly selected outcome is a prize-pool increasing outcome. In one embodiment, the only payout amounts available at the gaming terminal are from the bonus pool that is funded by the prize-pool increasing outcome.
SYMBOL DRIVEN CONTRIBUTIONS FOR A PRIZE POOL IN A WAGERING GAME