Volatility : The volatility of a machine determines how frequently it will pay out and how big those payouts are likely to be.Remember that land-based machines have a significantly lower RTP than online slot games. This, in theory, means that if a machine has an RTP of 96%, it generally pays back $0.96 from every $1 wagered. RTP : RTP, or Return to Player, is the payback rate that each slot machine offers.Here are the things to consider when choosing a slot machine. These same factors contribute to the machines that you should keep an eye out for. If you play slots online, you’ll be familiar with the attributes that make the best online slots. This blog will look at the best jackpot slots and other slot games to play at MGM Grand and what makes specific slots stand out. The MGM Grand is one of the best casinos in the city, but with over 2,500 machines, choosing which one to play can be overwhelming, especially if you’re used to the convenience of playing online casino games. There’s simply no better place to play casino games than Las Vegas.