. Explore the top slot franchises in iGaming history, including Mega Moolah, Gonzo's Quest, Book of Ra, and Cleopatra, shaping online gaming. Read our Mega Moolah slot review to learn all about this famous slot, the features it offers, and the four progressive jackpots that could change your life. Hey, my most lucrative slot experience has to be Mega Moolah – its. IBIA Atlantean Treasures: Mega Moolah (Neon Valley Studios) in February. Read our Mega Moolah slot review to learn all about this famous slot, the features it offers, and the four progressive jackpots that could change your life. BetGames deepens Betano partnership with bespoke crash game launch. I had 3 separate $+ (two of them around ) bonus hits of $ bets. IBIA Atlantean Treasures: Mega Moolah (Neon Valley Studios) in February. BetGames deepens Betano partnership with bespoke crash game launch.