A jackpot slot offers a headline top prize far larger than an ordinary win. There are two main types, and the difference affects both the size of the prize and your chances.
Fixed jackpots
A fixed jackpot is a set amount that never changes — for example, 5,000 times your stake. It is part of the game's normal paytable and is won by landing a specific combination.
Progressive jackpots
A progressive jackpot grows as a small slice of every bet across many players feeds the prize pool. Networked progressives can reach life-changing sums, but they are extremely rare to hit and often require a qualifying bet.
The trade-off
Progressive slots usually divert part of the RTP into the jackpot pool, so base-game wins can feel leaner. You are trading frequent smaller returns for a tiny chance at a huge one.
Playing them sensibly
Check whether the top prize needs a maximum bet to qualify, and never stake more than your budget just to chase it. The jackpot is a long shot by design — enjoy the game itself first.