Progressive slots are powered by a network of online casinos linked together to give you bigger slots jackpots.  Microgaming online casinos have several popular progressive slots and offer some of the highest jackpots available online. Microgaming casinos offer the following progressive slots: Major Millions, King Cashalot, Tunzamunni, Cash Splash, WowPot, Lotsa Loot, Treasure Nile and Fruit Fiesta. They also offer other progressive games like Cyberstud, Supajax, Poker Ride, Jackpot Deuces Video Poker, Triple Sevens Blackjack and Roulette Royale. The current Microgaming progressive slot jackpots amounts are displayed below along with a list of online casinos offering fantastic welcome bonuses.  These casinos also offer great software, fast payouts and superior customer service.