Interestingly, both casinos are owned by the same company and overseen by the Rewards Affiliates Group. The win is the 53rd since December 2009, and comes in below the $5,874,429 average is paid out, which is due to the win coming a day after the larger win. The largest win on record is €18,915,721, which took place at Grand Mondial and was hit last year.
The jackpot is offered on a series of video slots from Microgaming, and grows with every single spin of the reels. The jackpot is awarded completely randomly, and it can be won on any spin and with any bet size.
We'll update readers as we learn more about the win.
Related: Mega Moolah Mega Jackpot