Major Moolah is the very first progressive jackpot slot introduced by Rival Gaming, one of the finest producers of online slots games. One of Rival casinos’ most popular slots since its inception, Major Moolah is a 3-reel 3-coin slot (only $1 “coins” are taken) of the old lucky-7 symbol milieu. Major Moolah’s progressive jackpot starts at $2500, with a max of $89,000 possible.