Top 10 Online Casino Jackpot Winners of All Time

Progressive jackpot games remain some of the most popular and attractive types of gambling games in online casinos. It’s easy to see why. Despite their high house advantage, progressives offer some of the highest payouts and record-breaking rewards in the industry.

Regardless if it is on slots, table games, blackjack or video poker, many lucky players have been fortunate enough to hit pretty large, life-changing amounts and live to tell their amazing stories. The luckiest, however, have managed to snatch colossal wins and thus became the biggest online casino jackpot winners of all time.

Let’s take a look at the biggest rewards ever received in online casinos, how big they are, and how their lucky winners managed to snag them.

Top 10 Online Casino Jackpot Wins

Here is an overview of the biggest wins of all time, how big they are, and how and where they won. We list only the name of the progressive jackpot network, not individual games on which the payouts were won.

You can find them listed below, after which we’ll get into the nitty-gritty.

Importantly, this list only concerns winners of progressive jackpots in online slots. We did not take into account physical machines or non-progressive payouts.

Editor’s Note

Presented jackpot wins have been converted to $US. Exchange rates should be taken into account while reading this article as they might differ from rates from the day of conversion.

If any of you know of a jackpot win missing from the list, please do let us know. We are all about keeping track of the biggest online casino jackpot winners here at CasinosOnline. Send us the jackpot prize, date, casino, game played and additional information regarding the winner of the jackpot.

Thank you!

 10. $13 Million Win on Mega Moolah

The first game on the list is Mega Moolah, and that’s not the first time you will see this game appear on this list as the jackpot-winning game.

The win, although it’s the lowest on the list, is a huge win that made some lucky player a millionaire. It’s not know much about the win, except it was done in the Mega Moolah slot. It’s not even known where – a mysterious player just hit the jackpot in May 2020. That’s all we know.

This position was previously taken by Tipico Casino and Folkeautomaten Casino – both wins were from Mega Moolah game.

9. $16,495,060 Mega Moolah Win at Jackpot City

Mega Moolah is a jackpot that cannot be stopped.

At Jackpot City, in April of 2020, a player hit the jackpot playing Mega Moolah. The win was paid out in CAD and was labelled as a win worth $16,495,060 in total.

That firmly puts it on the list of 10 biggest jackpot wins of all time, but near the bottom of the list, believe it or not.  The total win was paid out in lump sum to the lucky player.

It was reported that the win was at Jackpot City Casino, and even Andrew Clucas, the then-COO at Microgaming, congratulated the victorious bettor.

When converted to USD, the win is around $12 million.

Other than the original Moolah, online casino jackpot winners can expect prizes while playing any of its sequels, such as:

• Absolooltly Mad™
• Atlantean Treasures™
• Fortunium Gold™
• Juicy Joker™
• African Legends™

So, if you are interested in the Mega Moolah genre, you can browse a host of other Mega Moolah jackpot slots.

8. $16.76 Million Win in Mega Moolah’s Millions

On August 20, 2020, Microgaming confirmed another astounding online casino jackpot winner.

Mega Moolah did it again, this time with a head-spinning €14,679,069 (US $16,765,230). The happy event took place in Lucky Casino, which had two reasons to celebrate. Namely, the $16+ million win was also the highest-ever online slot winner for the venue.

No information about the casino online winner was revealed. Sometimes, online casino jackpot winners ask to remain unnamed for the fear of being targeted for their new-found wealth. Wanting to keep their online casino jackpot a secret, these persons hide their identity.

Just a few days before this incredible reward, Microgaming drew the line for the first half of 2020. By August 2020, Microgaming’s progressive jackpot network lifetime payouts exceeded €1.2 billion. John Coleman, who was then the CEO at Microgaming, also declared that the company’s leading jackpots had paid out over €115 million that year.

7. UK Player Hits $17.2 Million at Betway

Everyone knows that Mega Moolah Progressive Jackpot is one of the most rewarding games out there. We hope you’re not tired of reading this little fact, because we’ll probably keep repeating it until the list ends.

Jonathon Heywood from Cheshire, UK, felt its generosity on his skin when he landed a whopping $17.2 million (£13.2 million) jackpot. The 26-year-old British soldier won the record-breaking jackpot on October 6, 2015, while he was playing for just 25p per spin.

After the win, a casino representative expressed their delight at the record win. Even Microgaming’s then CEO Roger Raatgever congratulated the winner, noting that to that date, the provider had paid out $5.76 billion to lucky jackpot winners.

6. $20 Million Drop at Zodiac Casino

Right after New Years celebrations in 2019, a lucky player was playing Mega Moolah at Zodiac Casino when they hit the fantastic Mega jackpot. At that point, the jackpot had grown to be over $20 million, which is precisely how much the player had won as a reward for playing Games Global’s most famo9us online game.

Now, the prize did not qualify as the Guiness World Record because it was already held by Mega Moolah. Still, it is more than worth a mention given that it was one of the biggest jackpots wins of all time.

The public was notified of the casino where the win had happened, as well as the sum and the game that was played. However, the player’s identity was kept secret, presumably for security reasons. All that was disclosed is that the player was playing from Canada.

5. $20 Million Win at 32Red Casino

Right in the middle of this list is the very first WowPot jackpot hit for Games Global. WowPot is Games Global’s second jackpot network, one that is even bigger than Mega Moolah. However, it has not had that many payouts as Mega Moolah had. Still, the very first win that was clocked was a $20 Million hit at 32Red Casino.

The first major WowPot win happened in 2021. In April 2021, a UK player was playing Book of Atem WowPot, one of the WowPot slots with an Egyptian theme. One lucky spin was enough to trigger the Mega prize which was worth £15,183,085, which roughly translates to $20 million in USD.

The Book of Atem WowPot was then a relatively new game that was published by All41 Studios exclusively for Microgaming. Now that and all other WowPot games can be found in Games Global progressive slots portfolio.

4. $21 Million Win at PAF

The fourth biggest slot jackpot win of all time is a win from 2013, and the first Mega Fortune win on our list. Mega Fortune is a NetEnt casino slot. More precisely, it’s the most famous NetEnt progressive slot of all times.

January 20^th, 2013, was a very lucky day for a lucky player (who remains anonymous) as that is the day they won the €17,860,868 jackpot prize at PAF casino. When converted to USD, this win is worth over $21,000,000. The only info about the player is that it was someone from Finland.

Besides Mega Fortune, NetEnt operates half a dozen other jackpot games, but none gets close enough to the popularity of Mega Fortune. If you want to know how that looked like, you can watch the video below for a little snippet of what it looks like to become an overnight millionaire.

3. A Mega $23.5M Cash Win at Grand Mondial Casino

On the 28th of September 2018, Mega Moolah engraved its name in the history of rewarding jackpots for good by handing out yet another historic prize.

This win is yet another hit that won the Guinness World Record. As you can see, this is a common thing for Mega Moolah. The win happened at the Grand Mondial Casino, when a player placed a smaller bet and won €18,915,721.

At the time of writing – or better yet updating this article – information and details about the lucky winner were nonexistent. The name, age, gender and country of residence are still unknown.

The Guinness Committee eventually ratified the win. Of course, the record was then broken again two years later.

The win slots into third place due to the conversion rate. Even though this win outstretches the next one by €1,2 million, the USD conversion transforms it into a $23.5 million win.

2. A$23.6M Jackpot Win in Mega Moolah Absolootly Mad

In the spring of 2021, an extremely lucky slot lover hit the world’s biggest jackpot totaling $23,632,599.85. In Euro currency equivalents, the massive jackpot sits at €19,430,723.60.

The $23.6 jackpot was triggered at Napoleon Sports & Casino Online on Absolootly Mad: Mega Moolah on 27^th April 2021. A player from Belgium played at their favorite online casino and won the eight-digit sum after reportedly only spinning the slots a handful of times.

By the words of its creator, the Absolootly Mad jackpot completely ‘obliterated’ the previous champion. Strong words considering Mega Moolah was also the champion before that with a margin of “just” $100k.

For two entire years, this was the biggest jackpot win of all time across the globe. However, less than two years later, another Games Global game would break the record and put this record into second place.

1.    $42M Won in WowPot Mega

The current holder of the title of the biggest jackpot win of all time is a win worth over $42 million ($42,149,180 to be precise) that was won in one of the WowPot slots. As you might recall, WowPot is a fantastic jackpot network capable of delivering far bigger wins than Mega Moolah. However, it took some time for the network to start producing wins that can match the hits on this list.

But on 20 December 2023, it was announced that one anonymous lucky player triggered the Mega prize in one of the WowPot games, thus winning the $42 million prize. It is unclear which game it was specifically, but the win was confirmed as legitimate.

There’s no doubt that this is huge, but Games Global introduced in 2024 a new jackpot series that is even more potent than WowPot. King Millions is a jackpot network that we surely going to be seeing in the future – possibly even right at the top of this list.

Honorable Mentions

The latest update of the Top Online Casino Winners saw a few previous members of the company leave the group. Still, to honor all of the players from the Southern Hemisphere, we expanded the list.

One more time when Hall of Gods broke the bank was in June 2017. The life-changer occurred to a 47-year-old Norwegian jackpot winner who pocketed a staggering $8.63 million. His venue of choice was Folkenautomaten Casino.

However, Hall of Gods had started creating its reputation years before. In April 2015, a fortuitous client to Betsson online casino picked up $8.73 million, which is still the record for this epic NetEnt slot. Even today, the Nordic-themed online slot keeps crowning players with multi-million prizes, reminding us that Mega Moolah and Mega Fortune definitely don’t have monopoly over life-changing jackpots.

Another honorable mention is Rawiri Pou from New Zealand as well as an anonymous Australian jackpot winner who hit $7.41 million and $7.86 million, respectively. Both online casinos winners played their favorite slot games – Mega Moolah and The Dark Night.

Coincidentally or not, the two titles are some of the most popular Games Global numbers. We should mention, of course, that Microgaming now goes by Games Global, though their games (and jackpots!) remain the same.

8+ Million Jackpot Winners

We’ll go through a few more stories worth mentioning, largely from older wins that have since been supplanted on our list.

Another honorable mention goes to Georgios M. who is also one of the many lucky players to have hit large amounts. In March 2009, Georgios won $8.6 million in cash at River Belle Online Casino.

With a passion for slots, the 36-year-old business owner from Greece became the winner of the largest Microgaming casino jackpot payout at the time. Georgios could not believe that this was for real. “Do not lose hope. It’s a small moment that could change your life,” he said.

A lucky woman became the biggest online casino jackpot winner in Sweden in November 2012. She won $8.75 million (€7.6 million) playing the Hall of Gods slot game at Unibet Online Casino.

After the win, she was a bit dazed and couldn’t believe it. She was planning to use her winnings to pay off her house and loans and take her family to Thailand.

“And I might even get a new car,” added L. who is now reveling in a dreamland, living the life most people can never even dare to dream of having. This particular win was the biggest ever at Unibet Casino. The lucky jackpot winner was the fifth player to join the casino’s ‘millionaire’s club’ at the time, though the club has expanded significantly since.

Conclusion

In conclusion, it takes a lot to win a progressive jackpot. We can easily say it’s almost science as many punters make strategies with stake size proportions, round odds, and more. Others simply wait long enough for the pot to swell. If you want to learn everything there is to know about jackpots, we highly recommend reading out ultimate guide to progressive jackpot slots.

However, arguably the most important thing to remember while playing progressive slots is budget preservation, or how to limit losses. The longer your bankroll lasts, the more chances you’ll get to hit the pot.

Best of luck to anyone trying to topple any of these records!

Frequently Asked Questions

• What games have the biggest online casino jackpots?

The best progressive jackpot slots, or the best games with progressive jackpots are Mega Moolah, Mega Fortune, and King Millions slots. All three have been the source of great jackpot wins, and Mega Moolah has even broken the Guinness World Record for the Biggest Jackpot paid – repeatedly.

• What is currently the biggest online casino jackpot hit?

As of September 2025, the biggest online casino jackpot win of all time was over $42 million that was won in a WowPot progressive game. The exact game and player remain unknown.

• What is the seed for Microgaming Mega Moolah progressive jackpot?

Mega Moolah is a fantastic four-tiered progressive jackpot slot with a starting seed of $1,000,000.

• How can I win casino progressive jackpots?

To win a progressive jackpot, players first must select a game and play for real money bets. Online slots with progressive jackpots that you can play and hope to win include Mega Moolah jackpot slots, Mega Fortune, and many others.

• Can I win progressive jackpots consecutively?

Yes, it is possible – but given how low the chances of winning one are so low, it’s even rarer to see two jackpots won back-to-back. Plus, the size of the second one would be minimal, hardly higher than the seed.

• What casino offers the best progressive games?

Any casino working with Games Global that is offering Microgaming/Games Global games is a great progressive slot casino. Of course, that’s not the only provider with progressive slots, but it is certainly a good bet – as its games take several places on our list of the biggest online casino jackpot winners of all time.

• Are progressive jackpots really random?

Yes, they are. All online gambling games, including progressive jackpots, rely on random number generators (RNG) for unpredictable game results. You can learn more about that right here on this link.