A progressive jackpot is a jackpot that grows as people play until someone wins. It is a type of prize that is offered in some casino games, especially slot machines. A progressive jackpot is different from a fixed jackpot, which has a predetermined value and does not change.
A progressive jackpot works by taking a small percentage of each bet that is made on the game and adding it to the jackpot amount. The jackpot amount is usually displayed on a screen above or near the game, and it increases every time someone plays the game. The jackpot amount can also be linked to other games in the same casino or network, making it grow faster and larger.
A progressive jackpot can be won by hitting a certain combination of symbols or cards, or by triggering a special bonus feature or game. The odds of winning a progressive jackpot are usually very low, but the payout can be very high, sometimes reaching millions of dollars. When someone wins the progressive jackpot, the jackpot amount is reset to a base value, and the process starts over again.