After receiving a prize worth more than $14 million over the weekend at the Atlantis Casino Resort Spa, a gambler in Reno has broken a local jackpot record. When her $10 spin struck the jackpot, the Reno resident was playing a Megabucks Mega Vault progressive slot machine. The life-changing win was made on Sunday at the casino south of central Reno, according to IGT, the game's developer. According to Atlantis casino representatives, the lucky winner, who requested anonymity, is a woman who frequently visits the establishment run and controlled by Monarch Casino & Resort, Inc.