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What is the biggest winning online casino?


Although the odds of winning them are low, jackpot slots have paid out huge cash prizes. These are the biggest online casino wins of all time…


All casino games, including jackpot slots, operate on a random number generator (RNG), ensuring that each spin is entirely unpredictable and impartial. Therefore, every spin holds the same chance of winning the jackpot as the previous one.

Certain jackpot slots stipulate that the big prize can only be won with the maximum stake per spin. Hence, it's crucial to carefully read the instructions for each game to understand how to qualify for significant payouts.

After that, it's up to chance whether your luck is in as you aim to hit the jackpot.

Top 10 Online Casino Jackpot Wins

10. $8.82 Million Win at Zodiac Casino - 🔗PLAY NOW


Just picture the thrill of winning a progressive jackpot, or even multiple ones! For many players, this isn't just a fantasy but a reality. A mysterious individual with the initials D.P. made headlines by claiming the largest progressive jackpot ever won on a mobile device on August 28, 2016. The winner's identity and origin remain undisclosed, but what we do know is the staggering jackpot amount of $8.82 million, secured while playing Mega Moolah Mobile on an iPad. It's reported that the fortunate player was enjoying the game at Zodiac Casino, having signed up for the casino's unique promotion, "80 Chances to Become a Millionaire," which required only a small deposit of £/$/€1 as per the promotion's terms.

9. Large $9.2 Million Win at Tipico Casino - 🔗PLAY NOW


Mega Moolah stands out as one of Microgaming's flagship titles, and it's easy to see why. Its reputation for generous payouts has made it a favorite among slot enthusiasts. This progressive jackpot game consistently lives up to its name. Case in point? In April 2017, a player at Tipico Mobile Casino struck gold with Mega Moolah, claiming the largest-ever mobile payout from the game, totaling over $9.22 million. This groundbreaking win surpassed the previous record set just a year prior. While the lucky winner chose to remain anonymous, we do know the staggering amount they wagered per spin: an impressive $7.2. This modest bet proved to be a wise investment, securing the player's spot in the annals of jackpot history.

8. $9.57 Million at Folkeautomaten Casino - 🔗PLAY NOW


Mega Fortune, often dubbed as NetEnt's answer to Mega Moolah, has earned its reputation for delivering hefty wins over the years. Among its impressive payouts, one of the most notable occurred on November 28, 2015, at Folkeautomaten, the same venue that saw another significant win featured on our list. The fortunate player, Alexander from Sweden, was just 30 years old at the time when the game awarded him a massive $9.57 million (€8.57 million) windfall. Reflecting on his incredible luck, Alexander mentioned being initially speechless before waking up his wife to share in the celebration. He expressed plans to maintain a low profile, pay off his mortgage, and perhaps indulge in some exciting vacations and a new car. NetEnt's Chief Product Officer, Simon Hammon, seized the moment to highlight the company's remarkable achievement of paying out over €13 million in jackpots in less than two weeks.

7. $12 Million Mega Moolah Win at Jackpot City - 🔗PLAY NOW


Mega Moolah continues to reign supreme, unstoppable in its generosity.

Ever heard of someone hitting it big at an online casino? Just ask the lucky individual who secured a jaw-dropping $12 million jackpot win in April 2020. Yes, you read that right! At Jackpot City, Mega Moolah—no surprise here—handed out a staggering €10,735,716.84 as a lump sum. This marked the largest online casino win ever at that time. Andrew Clucas, Chief Operating Officer at Microgaming, extended hearty congratulations to the fortunate winner.

6. $13.47 Million Drop at Betsson Casino - 🔗PLAY NOW


A restless night turned into unimaginable fortune, a young man from Norway found himself unable to sleep, opting instead to try his luck at Little did he know that on that fateful night of September 24, 2011, he would emerge $13.47 million (€11,736,375) richer. The game responsible for this monumental win? None other than Mega Fortune, which also holds the Guinness World Record for the largest jackpot payout. Overwhelmed by shock, the anonymous winner couldn't sleep until 6:00 am, needing time to process the life-changing news. Huw Thomas, the Head of, expressed equal disbelief, seeing the Guinness World Record as a remarkable achievement for the website.

5. $16.76 Million Win in Mega Moolah's Millions - 🔗PLAY NOW


On August 20, 2020, Microgaming announced yet another remarkable online casino jackpot triumph. Mega Moolah worked its magic once more, yielding an astonishing €14,239,532.84 (US $16,765,230) jackpot. The fortunate event unfolded at Lucky Casino, marking a double celebration for the venue as it secured its highest-ever online slot win. While details about the winner remain undisclosed, it appears they preferred to maintain their anonymity, a choice often made by jackpot victors to safeguard their privacy and security.

4. $17.2 Million at Betway Casino - 🔗PLAY NOW


Jonathon Heywood from Cheshire, UK, experienced the unparalleled generosity of the Mega Moolah Progressive Jackpot firsthand when he clinched a staggering $17.2 million (£13.2 million) windfall. The 26-year-old British soldier shattered records on October 6, 2015, with a life-changing win, all from a modest 25p per spin wager. Jonathon described the moment as surreal, struggling to grasp the magnitude of his fortune. However, he pledged to allocate a significant portion of his winnings toward his father's medical treatment. The historic jackpot unfolded at Betway, prompting jubilation from casino representatives and even accolades from Microgaming's then CEO Roger Raatgever, highlighting the provider's remarkable track record of $5.76 billion in jackpot payouts to date. 3. $21 Million Win at PAF Casino - 🔗PLAY NOW


How would you define luck? Perhaps it's placing a 25-cent bet and walking away with a staggering $21 million (€17,861,800) jackpot. This remarkable feat became a reality on the online gaming site PAF, based in Scandinavia, courtesy of a fortunate Finnish man in his 40s. "I laughed and cried at the same time," the winner recalled. His life-changing moment unfolded on January 20, 2013, while playing the progressive jackpot slot game Mega Fortune by NetEnt.

Progressive jackpot games like Mega Fortune pool funds from various NetEnt online casinos, with these pooled funds constituting the jackpot. When a lucky player strikes gold, operators utilize these funds to award the jackpot. Naturally, the win came as a shock to the Finnish winner, who couldn't fathom his newfound fortune—it was a dream turned reality.

2. A Mega $23.5M Cash Win at Grand Mondial Casino - 🔗PLAY NOW


It seems there's a new record-breaker surpassing the ace from 2013. On September 28, 2018, Mega Moolah etched its name in the annals of jackpot history once again.

This time, a player at Grand Mondial Casino struck gold with an astonishing win of €18,915,721 million! This Microgaming marvel reclaimed the Guinness World Record for rewarding the largest jackpot ever.

As of now, details about the fortunate winner remain shrouded in mystery—their name, age, gender, and country of residence undisclosed. However, one thing is certain: this winner is set to become the newest Guinness World Record holder. The official confirmation from the Guinness Committee is expected later in 2019, hopefully shedding light on the identity of this newly minted multimillionaire.

1. $23.6M Jackpot Win in Mega Moolah Absolootly Mad - 🔗PLAY NOW


In the midst of a challenging year for many, 2020 proved to be a stroke of incredible luck for some fortunate individuals.

In the spring of 2021, one such individual experienced a life-changing moment by hitting the world's largest jackpot, amounting to an astonishing $23,632,599.85, or approximately €19,430,723.60 in Euro currency.

This historic jackpot was won at Napoleon Sports & Casino Online on the game Absolootly Mad: Mega Moolah, on April 27, 2021. The fortunate winner, hailing from Belgium, saw their favorite online casino transform their fortunes with this eight-digit windfall. The enormity of the jackpot surpassed all previous records, as described by the creators of Absolootly Mad.

Absolootly Mad: Mega Moolah, developed by Triple Edge Studios and powered by Microgaming, draws inspiration from the whimsical world of Alice in Wonderland. Released in 2020, this slot game stands as a testament to the enduring popularity and success of the Mega Moolah franchise, offering players an immersive and rewarding gaming experience.





Play Today


Napoleon Sports & Casino

$23.6 million

Absolootly Mad: Mega Moolah


Grand Mondial

$23.5 million

Mega Moolah



$21 million

Mega Fortune



$17.2 million

Mega Moolah


Lucky Casino

$16.7 million

Mega Moolah



$13 million

Mega Fortune


Jackpot City

$12 million

Mega Moolah



$9.5 million

Mega Fortune



$9.2 million

Mega Moolah



$8.8 million

Mega Moolah

Winning Online Casino Frequently Asked Questions

🎰What games have the biggest online casino jackpots?

Among the top contenders for the best progressive jackpot slots are Mega Moolah, Mega Fortune, and Divine Fortune. These games have consistently delivered impressive jackpot wins, with Mega Moolah in particular earning the distinction of breaking the Guinness World Record for the Biggest Jackpot payout multiple times.


🎰What is currently the biggest online casino jackpot hit? In May 2022, the largest online casino jackpot win was recorded in the Mega Moolah Absolootly Mad online slot, with the jackpot reaching an astounding $23.6 million. The precise amount won was $23,632,599.85.


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

Mega Moolah is an incredible progressive jackpot slot featuring four tiers, with the initial seed starting at $1,000,000.


🎰How can I win casino progressive jackpots? To secure a progressive jackpot, your first step is to find the progressive slot that suits you best and start playing with real money. Among the options are popular titles like Mega Moolah, Mega Fortune, and numerous others.


🎰Is it possible for me to win progressive jackpots in succession? Yes, it's technically possible to win progressive jackpots consecutively, but the probability is extremely low. Each spin in a progressive jackpot game is independent of the previous one, so there's no inherent barrier preventing consecutive wins. However, winning two or more progressive jackpots in a row would be an extraordinary stroke of luck due to the randomness of the outcomes.


🎰What casino offers the best progressive games? A casino that features Microgaming games is considered a top choice for progressive slot enthusiasts. While there are other providers offering progressive slots, Microgaming stands out for its impressive track record. Many of the biggest online casino jackpot winners have hit jackpots while playing Microgaming games, making it a reliable option for players seeking massive wins.


🎰Are progressive jackpots really random? Indeed, they are. Progressive jackpots, like all other forms of gambling, operate on the basis of random number generators (RNG), ensuring that game outcomes are entirely unpredictable.


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