The volatility: This refers to the risk level of the machine.The higher the payout percentage, the more money players can expect to win back. The payout percentage: This is the percentage of money that is paid out to players over time.There are several factors to consider when evaluating the odds of winning on a slot machine, including: When we talk about the “best” slot machines to play at Twin River Casino, we are referring to machines that offer the highest chances of winning. Visit Site What Makes a Slot Machine the “Best”?