Progressive slot machine jackpots are the highest paying slots in the marketplace of slots. They offer the top payouts for everyone. It’s a high roller casino game with jackpots reaching into the millions. The only real difference between online slot machines and progressive jackpot slots are that progressive slot bonuses have the potential to pay out more. However, compared to the large number of slot machines, progressives make up the smallest number of slot types but they don't have to be hard to find with us.