Huge, generous, gigantic, mammoth, colossal and giving are only some of the adjectives that can be used to describe the Cryptologic Progressive slots. These are slots games that can be three reels and five reel but each one offers a progressive jackpot. A progressive jackpot is a jackpot that continuously grows with the more players that join the game and place bets, a portion of each bet contributes towards the jackpot. The Cryptologic progressive slots games are known for their enormous jackpots because they all start with at least $100000 and just grow and grow from there. These games cannot be played for fun because they are all linked between different casinos but players can start with low value bets and increase the value of their bets as their confidence grows. Many of the games give players the chance to choose auto play where they can set the number of spins that they want the game to run consecutively and stop the auto run at any time. There are many progressive slots to choose from which are exciting and cover a wide range of subjects from underwater adventures to around the world treks and high flying Millionaires clubs.