It’s a serious pereparation work that requires attention and concentration. If you’re determined to play online slot machines for real money, don’t be too hasty to hit the Spin button! First, you need to learn about them as much as possible: rules, payouts, wining combination, startegies, and more. Despite their young age, they enjoy endless love among gamblers all over the world. Unlike blackjack or dice, casino slot machine games are a relatively new invention that has been around for the last 100 years or so.