They have a prize pool that is formed exclusively by bets made by players at a particular casino. Local Jackpots: Local jackpots work just like progressive jackpot slots.While this may seem exciting, the only downside is that the huge popularity of this game makes it difficult to hit the jackpot on a network that can be regional or even international. The popularity of this type of game works in its favour, leading to many bets per day and a massive final cash prize. The basic idea behind this type of slots is that every time a player makes a bet, a percentage of the bet goes to the pool for the giant cash prize. Each bet contributes a small percentage to the biggest prize. This type of jackpots cover extensive networks and increase each time a player bets. Progressive Jackpots: Progressive jackpots offer millions of prizes - but they are hard to win.There are several types of jackpot slots, including: The jackpot slot is exactly what it says - a slot machine with a jackpot prize that is the biggest potential win. Definition and Types of Jackpot Slot Machines