Biggest Casino Wins Ever: Largest Slot Machine Jackpots

| October 27, 2023 | Casino Guides

In online gambling, where fortunes can be made or lost with a single click, the allure of striking it rich has driven countless individuals to try their luck. While most of us might only dream of hitting that life-changing jackpot, there are those fortunate few whose dreams have come true, resulting in slot biggest wins that have left the world in awe. From a few strategic spins of the slot reels to a lucky hand in a high-stakes poker game, these stories of incredible wins are a testament to the sheer potential of online gaming.

Let’s delve into the remarkable world of these life-changing victories and discover what it takes to reach the top of the online casino world.

Rank Casino Payout Game
1. Lucky Casino $16.7 million Mega Moolah
2. Betway $17.2 million Mega Moolah
3. PAF $21 million Mega Fortune
4. Grand Mondial $23.5 million Mega Moolah
5. Napoleon Sports & Casino $23.6 million Absolootly Mad: Mega Moolah

And people also say there are great opportunities for big wins through slots provider Pragmatic Play.

Pragmatic Play is currently one of the most popular slot providers. The latest game release that has caught the user’s attention is Candy Blitz. This game, similar to Sweet Bonanza, is a classic fruit slot by Pragmatic Play, featuring a high multiplier of 10,000 and a buy bonus feature. You can find a detailed review by Jeffrey Gynn, a SlotsUp expert, and try out the demo game on this page.

SlotsUp constantly updates its game catalog, featuring titles from both popular and new providers. With its own slot ranking methodology, their list remains current. The database includes over 5,000 games. If you’re interested in more than just the Candy Blitz slot, visit the page with a complete list of free slots to play online. 

But let’s not listen to rumors after all, but rather check out our selection with online casino biggest wins.

1. Lucky Casino – $16.7 million

The Lucky Casino win in August 2020 has claimed the top spot as the greatest-ever digital slot winner, with a staggering $16+ million payout. The win came from playing Mega Moolah, which has a history of delivering life-changing jackpots to lucky players. 

The actual identity of the winner remains a mystery, as some winners choose to maintain their good fortune and keep it a secret to avoid unwanted attention. 

This massive win also contributed to Microgaming’s developmental jackpot payouts of network lifetime surpassing €1.2 billion by August 2020. It’s clear that online casinos continue to offer some of the biggest jackpots in the world and amazing rewards for players looking to test their luck.

2. Betway – $17.3 million

Betway - $17.2 million

The record-breaking $17.3 million (£13.2 million) win on Progressive Jackpot by Mega Moolah at Betway by Jonathon Heywood remains the biggest online casino win of all time. Jonathon, a 26-year-old soldier from Britain, won the life-changing jackpot on just a 25 spin on 6 October 2015. He was stunned by the win and struggled to accept this surprising reality

However, he pledged to use most of the funds to help treat his ill father. It was a moment of joy for Betway, who had a representative express their joy for such a record-breaking win. 

The win also highlighted the incredible payouts provided by Microgaming, whose former CEO Roger Raatgever showered his congratulations on the winner and revealed that the provider had a history of paying out more than $5.75 million to fortunate winners.

3. PAF – $21 million

In 2013, one lucky gambler rewrote the meaning of luck by winning $21 million or (€17,861,800) with a mere 25-cent bet. The incredible win occurred on PAF, an online gaming platform of casino which originated in Scandinavia.

The winner, a Finnish young man in his 40s, hit the jackpot on Mega Fortune, a popular slot game sponsored by NetEnt. Mega Fortune is part of a progressive jackpot network, which means that each time someone places a bet, a portion of the wager goes towards a pooled jackpot.

Fin was beyond astonished by his winnings and described the experience as both “laughing and crying at the same time.” This extraordinary win serves as proof that, with a single spin, your life could change forever.

4. Grand Mondial – $23.5 million

Microgaming’s Mega Moolah slot game

In 2018, the Guinness World Record for online casino jackpot wins was broken by a Casino player at Grand Mondial. He won an astonishing price of €18,915,721 million on Microgaming’s Mega Moolah slot game. The exact details of the lucky winner’s identity are yet to be disclosed, and the information that the player’s age, name, gender, and residential country remain unknown. The Guinness Committee gets all geared up to verify the win in the year 2019.

By this time, the actual identity of the monumentally wealthy player may be revealed. Though the win exceeds the 2013 PAF win by €1.2 million, when converted to USD, the 2013 prize money remains larger. Despite this, the Grand Mondial win still secures a spot on the list of top 5 online casino wins of all time.

5. Napoleon Sports & Casino – $23.6 million

A recent yet quite mesmerizing entry on the list of top 5 online casino wins of all time belongs to a Belgium player who won just under $24 million on “Absolootly Mad Mega Moolah” in 2021. The game is a progressive jackpot slot with consecutive wins at a 5x multiplier and is available across several devices

The game’s gameplay is originally a theme of Alice In Wonderland and features creative multipliers and rolling reels that help players rack up wins. With the potential to hit one of four different jackpot levels, it’s no wonder why this game has become a popular favorite for online casino players. 

The massive win proves that even in the midst of a challenging year, life-changing moments can still happen.


In conclusion, the world of online gambling has produced some of the most significant jackpots in history. It had some life-changing sums of money won on progressive jackpot slots. While the chances of striking it rich on an online casino game are very slim, the players who have been lucky enough to hit the jackpot have had their fortunes changed forever.

From the record-breaking win of Mega Million in 2013 to the most recent Absolootly Mad Mega Moolah win, these top 5 biggest online casino wins show that dreams can come true in the digital realm.

These massive wins also serve as a testament to the power of online gaming and how it is now a thriving industry that provides access to some of the most lucrative jackpots in the world. As technology continues to advance, it is only a matter of time before the next big online casino winner sets a new record and joins the ranks of these fortunate few.

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Ankita Tripathy
Ankita Tripathy

Ankita Tripathy loves to write about food and the Hallyu Wave in particular. During her free time, she enjoys looking at the sky or reading books while sipping a cup of hot coffee. Her favourite niches are food, music, lifestyle, travel, and Korean Pop music and drama.


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