10 of the Biggest Wins in Las Vegas Casino Gambling History

As an avid slots enthusiast and longtime Las Vegas tourist, I’m fascinated by stories of massive casino gambling wins. The sheer excitement of seeing those reels line up or getting dealt a perfect hand keeps players coming back. And while the house usually has the edge, these 10 monumental jackpots demonstrate that in Vegas, anything can happen.

The sparkling neon lights of the Vegas strip have seen their share of big payouts over the decades. The casinos like Rocket Play boast progressive slot jackpots climbing into seven or even eight figures. Poker pros walking away with millions in prize money. Even sports bettors cashing huge future tickets.

Let’s explore some of those record-setting scores and the lucky players who hit casino gold.

1. $39.7 Million Cleopatra Slot Machine Jackpot

In 2003, business consultant Cynthia Jay-Brennan landed the largest slot machine payout ever at the Desert Inn casino. She had only put about $100 into the famous IGT Cleopatra slots game when she triggered the progressive jackpot. Her total reward ended up at nearly $40 million.

That life-changing Cleopatra win still holds the US all-time slots record nearly 20 years later. It demonstrates that even with a small bankroll in Vegas, you could be just one lucky spin away from becoming mega-rich.

2. $21.3 Million Megabucks Progressive Jackpot

The current Nevada record for biggest slots jackpot happened in 2003 at the Excalibur Casino, when an anonymous 25-year-old software engineer from Los Angeles won $21.3 million.

He hit it big playing one of Vegas’ most iconic games: Megabucks. Known for its towering progressive jackpots, this IGT slot has made dozens of millionaires and changed countless lives over 30+ years on casino floors across town.

3. $17.3 Million Pai Gow Poker Madness

Pai Gow isn’t always top of mind when we think of high-stakes casino gambling. But one legendary hand in 1985 proved the game has millionaire-making potential. That’s when real estate broker Bill Boyd beat the odds to score a $17.3 million fortune from a $27,000 Pai Gow wager at the California Hotel and Casino.

After all these years, Boyd’s total haul remains Nevada’s biggest table game jackpot ever. And it stemmed from the longshot “Supreme Pair” Pai Gow poker hand, consisting of three aces and two joker cards. Talk about hitting the tables at the perfect time!

4. $15.1 Million Dubbed Stupak’s Luckiest Slot Player Ever

In 1989, business executive Kerry Packer made Vegas history when he won an astounding $15.1 million from a progressive slot jackpot. The triumph occurred at the Horseshoe Casino, owned by gambling impresario Benny Binion.

When Binion heard the community reels lockup with the top prize, he excitedly rushed to congratulate his son. But his son corrected him – Binion had just made Packer the luckiest slots player ever.

Packer reportedly tipped cocktail waitresses $1 million after notching Vegas’ biggest slots score for over a decade. Today his record $15 million-plus take would equal almost $33 million, accounting for inflation.

5. $14.3 Million Dollar Megabucks Jackpot

Megabucks mania struck again in 1998, when retired flight attendant Cynthia Jay Brennan hit a $14.3 million jackpot. That made her the second-biggest Megabucks winner in Las Vegas history at the time.

Brennan’s husband had encouraged her to keep playing the infamous $1 slots after she won over $750k earlier in her session. Soon after, she landed the massive $14 million-plus windfall.

6. $12.8 Million Bobby’s Room Legend

Bobby’s Room at the historic Bellagio casino is a high-stakes poker sanctuary reserved for whales. The legends on its walls reflect some of the largest pots in gambling history. That’s why there’s a plaque commemorating the night in 2001 when engineer Hamid Dastmalchi won $12.8 million in a Poker marathon.

Dastmalchi reportedly faced off against billionaire horse owner Bob Stupak himself in the climactic final hand. When Dastmalchi finished atop the star-studded field to capture this massive record prize, his legendary status in that exclusive room was forever sealed.

7. $11.8 Million Jackpot Giant Progressive Score

Progressive jackpot wins have created entire communities of millionaires, especially in the last 20 years as connected networks link slots across Nevada. The largest-ever statewide win came in 2003, when an anonymous guest won $11.8 million playing Jackpot Giant penny slots at the Palace Station Hotel And Casino.

The 25-year-old California man apparently decided on Palace Station for their loose 100-play machines. That fateful choice to play an affordable penny slot ended up making him instantly wealthy beyond his wildest dreams.

8. $11 Million Record-Setting Blackjack Hand

Vegas lore includes plenty of larger-than-life blackjack legends. But one looms perhaps largest – when Norwegian high roller Kjell Henrik Bjornstad turned a $500k blackjack hand into an $11 million score in 2004.

Bjornstad reportedly took insurance when the dealer flashed an ace, then proceeded to be dealt a perfect six-card Charlie forming three blackjacks. That enabled his record $11 million payday. A lucky blackjack sequence for the ages off a half-million-dollar original bet!

9. $9.6 Million Grand Wheel Jackpot

Wheel of fortune slots and other spinning mostbet jackpot games have awarded untold millions over the decades. But in 2000, online casino CEO Mark Hughes achieved one of the biggest-ever wins off a progressive Wheel of Fortune jackpot prize.

Reports state that Hughes put down $8k at the Monte Carlo Casino playing their triple wheel machine…before promptly triggering the record $9.6 million top prize! Slot aficionados still discuss that monumental Monte Carlo jackpot haul two decades later. It reflected the amazing growth that Vegas slots could deliver to a player’s bankroll.

10. $9 Million Dollar Blackjack Tournament Championship

In 2004, then 50-year-old Anne Nielsen made history as the first woman to win the World Series of Blackjack tournament in Vegas. The legendary feat netted her just over $9 million dollars – still the largest-ever prize awarded from a televised blackjack competition.

Nielsen prevailed in convincing fashion throughout the invitation-only tournament before cementing her victory in the finals. There she edged out 18 other card play virtuosos to forever seal her reputation as among the top blackjack competitors ever.

Biggest Vegas Jackpots by Game Type

Game Amount Year
Slots $39.7 million 2003
Table Games $17.3 million 1985
Sports Betting $8.5 million 1999
Poker Tournaments $7.5 million 2006


From slot machine long shots to poker pros winning it all to bettors eyeing 100-to-1 futures tickets, Las Vegas casinos have made millions of dreams come true. These 10 epic jackpots represent that classic Vegas allure – fortunes that can change your life in a moment with just the right bet.

The sheer possibility of instant untold riches will keep visitors flocking down the neon-lit strip. And more outlandish jackpot tales will continually be written in the annals of Las Vegas lore.

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Dante Uzel

From Turkey but living in Indonesia. Playing games 24/7. Been reviewing games for some time now. Also, love to compete in an Esports environment. Travelling and writing are the two things I like besides games. You can contact me at

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