World Records

List of world jackpots won at online casinos. We have listed the 5 biggest jackpots won on slot machines. Among these crazy wins, there were 3 winners on the Mega Moolah series slot machines, and 2 winners on the WowPot slots.

#1. €38,461,200 won on Wheel of Wishes

The winner tried his luck on the Wheel of Wishes slot machine game.

December 20, 2023 was the winning player’s lucky day!

#2. CA$20,059,287 won at Zodiac Casino

A player from Canada won over CA$20 million at Zodiac Casino on January 30, 2019.

This record jackpot was won on the Mega Moolah online slot machine.

Other big jackpots have been won at Zodiac Casino. That’s what makes it an outstanding casino.

#3. €19,430,723 won on Absolootly Mad

The European record for the largest win at an online casino. The jackpot was won on April 27, 2021.

A Belgian player accomplished this feat on the website Napoleon Games. The winner made a €15 bet on the Absolootly Mad Mega Moolah slot when he won.

Featured at Jackpot City, Absolootly Mad is a big success.

#4. €18,915,872 won at Grand Mondial

The 3rd largest jackpot was won on September 28, 2018, at Grand Mondial.

The casino Grand Mondial is one of the sites where players have managed to win millions on the Mega Moolah slot machine.

#5. £15,183,085 won on Book of Atem

This is the largest jackpot won on the WowPot slots series. An English player holds this WOW record.

On April 14, 2021, a player at casino won £15.18 million on Book of Atem WowPot.

Book of Atem from the WowPot series is featured at Spin Casino, an online casino with a $1000 welcome program that boosts your chances of winning big on all the WowPot slots.

Record jackpot updates

Every month we keep track of the biggest jackpots won at online casinos. If a jackpot is big enough to make our top 5, we’ll add it to our list. Therefore, you will always know the biggest cash wins on casino sites.

Casino games that pay out record jackpots

Progressive jackpot slots pay out the most at online casinos. These games are seeded with one or two million pots. The value of the pot increases with every bet made on one of these slot machines. These games take a small percentage of the bets to feed the jackpots.

Online Progressive Slots Series

There is a special feature with some slot machines. Some titles are part of a series with several interconnected slots. This is especially the case with the WowPot online slot machines. No matter which title you play, the progressive jackpots available are the same. The concept is the same for the slots in the Mega Moolah network.

Mega Moolah Slots Network

The Mega Moolah games have paid out record jackpots over the past two decades. These games can pay out bigger jackpots than those seen on WowPot slots. This is due to the large number of players who try their luck on the Mega Moolah progressive slots.

Where the winners come from

European players have won the largest jackpots at online casinos. The next biggest winners are the Canadians and the English. Then come the New Zealanders and the Swedes, who are among the luckiest players.

Americans are not among the big winners. There is a reason for this: online slot machines are prohibited by law in almost every state. The same is true in other countries. For example, online casino games are prohibited in China, Russia, and Australia.

Guinness Book of Records

One online casino player has made it into the book of world records. Jon Heywood, an Englishman, won £13,213,838 on the Mega Moolah slot machine. This feat was achieved on October 6, 2015 on However, this record has been broken several times since. The players who topped Jon Heywood wished to remain anonymous, which is why you won’t see their winnings listed in the Guinness book of world records.
Historic win at Betway, entered in the Guinness Book of Records

Last Updated on January 6, 2024 by Editor

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