Games with the "Jackpot" title are progressive jackpot tournaments, where players’ winning spins gradually increase a jackpot prize shown at the top of the game.
The prize will continue to grow until any player wins a jackpot, according to the jackpot rules for that machine. Check the Pay Table in any game to learn which combination of symbols grants a jackpot.
When a jackpot is won, it will reset and the process starts over.