The most popular slot games with progressive jackpots are Mega Moolah, Mega Millions, Mega Fortune, Arabian Nights, Hall of God, and Major Millions.
These games are considered to be the most popular because so many players have become millionaires by hitting jackpot, from all over the world.
The biggest jackpot ever was won by British player Jon Heywood when he payout an incredible £ 13.2 million (C $ 22.7 million) from the Mega Moolah jackpot slot game back in 2015.