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One New Jersey woman made history this Thanksgiving holiday, nabbing a jackpot to be thankful for. The lucky winner recorded the biggest online slots jackpot in US history, totaling $3,500,000.

Dori B. (her last name was kept private) won the massive jackpot playing the $10 slot MGM Grand Millions at BetMGM Casino skin Borgata Casino in New Jersey.

About MGM Grand Millions

The slot game that paid out the jackpot, MGM Grand Millions, is available in a handful of US markets. Players can enjoy the game and get the online casino bonus in Michigan, a New Jersey promo code, a West Virginia bonus code, and a Pennsylvania bonus at BetMGM Casino and Borgata Casino in NJ and PA.

The game has a history of paying out big jackpots, which adds to its appeal for online slots enthusiasts. In August of 2021, the MGM Grand Millions jackpot paid out twice in a single day for a total of $450,000 in winnings.

MGM Grand Millions has 243 possible paylines. It’s a 5×3 reel array, which will feel familiar to most online slots players.

How To Play The Slot for Free

New players can try the MGM Grand Millions slot for free with bonus money. The BetMGM promo code is SHARPCASINO for $25 free on signup, plus a 100% deposit-match bonus up to $1,000. Unfortunately, you can’t use the $25 no-deposit bonus on progressive jackpot slots, but it’s fair game for the deposit-match bonus. Additional terms and conditions apply, but this is one of the best deals among US online casinos.

To claim the bonus, simply visit BetMGM Casino and create an account for $25 free on signup. Then you can make a deposit using a wide variety of methods to receive the 100% bonus up to $1,000 and play MGM Grand Millions for free.

About BetMGM

BetMGM is a juggernaut in the online casino and online sports betting space. BetMGM has online casinos available under various brands in New Jersey, Michigan, West Virginia, and  Pennsylvania’s casino markets. As new states legalize and regulate online casino gaming, betMGM is expected to launch its product in new markets, giving more players than ever access to MGM Grand Millions and various other popular slots titles.

BetMGM also has sports betting available in Arizona, Colorado, Indiana, Iowa, Michigan, Mississippi, Nevada, New Jersey, Pennsylvania, Tennessee, Virginia, Washington D.C., West Virginia, and Wyoming. In Ohio, betMGM offers an online horse racing betting platform.

The company has various brand ambassadors to promote its online gambling products. Its most notable partnership in that regard is with  legendary actor Jamie Foxx.

Additionally, BetMGM has partnerships in place with various US sports leagues, including the NFL and the NBA.

About the Author
Cole Rush

Cole Rush

Cole Rush is a Chicago-based writer and contributor for His work has been showcased in various gaming industry magazines and online columns. Prior to freelance writing, Cole spent seven years in communications at a gambling and lottery supplier. A Chicago native, Cole's favorite teams are, predictably, da Bears and da Bulls. When he visits the casino, you’ll most likely find him betting on golf, playing Mississippi Stud, or eyeing the roulette wheel.

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