A NetBet Casino player won just over $4m (£2.6m) on the Gold Rally slot game on December 13th.
The win on Gold Rally, a game created by Playtech, was NetBet’s biggest pay-out of in its history and the largest since 2013.
NetBet Marketing Manager Alexandre Mangaud said of the news: “We are extremely proud to have paid out this bumper jackpot to one of our players. Turning $16 into $4,047,097.43 with one spin is really remarkable and rounds out a year of incredible growth for our online casino.”
He added: “Christmas has really come early this year for this lucky player and we are celebrating by giving away even more prizes to our Facebook followers.”
NetBet are West Brom’s official betting partner this season, and offer betting services including casino, sports betting and poker to customers throughout Europe.