. Explore the top slot franchises in iGaming history, including Mega Moolah, Gonzo's Quest, Book of Ra, and Cleopatra, shaping online gaming. IBIA Atlantean Treasures: Mega Moolah (Neon Valley Studios) in February. BetGames deepens Betano partnership with bespoke crash game launch. I had 3 separate $+ (two of them around ) bonus hits of $ bets. BetGames deepens Betano partnership with bespoke crash game launch. 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. 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.