It was announced via the IGT Jackpots Twitter account, which is affiliated with slot maker International Game Technology.
The mega-winner scored big on IGT's Megabucks Double 3X4X5X Pay game.
This jackpot marks the largest IGT Megabucks jackpot in 2018. Each time the Megabucks jackpot hits, the progressive prize resets to $10 million.
This marks the third win from a Megabucks progressive jackpot has hit in the valley in less than a year. A California man won an $11.8 million jackpot in August in downtown Las Vegas and a player won $10 million in August at the Fiesta Henderson.
A Los Angeles man in 2003 hit the largest slot jackpot ever awarded — $39.7 million on a Megabucks machine at the Excalibur.