That’s still only 4 or 5 millionaires a year, so bear that in mind as you play. You can win millions and create more yearly slot millionaires than any other online slot machine. Let’s take the famous Mega Moolah slot by Microgaming as an example. However, they all have one thing in common: a big cash prize that will break and pay out to one random player. Look for patterns in your favourite jackpot slotsĮvery progressive jackpot slot is a little bit different. And while you can never predict exactly when a jackpot slot will hit, you can start to see patterns. That said, even RNGs have to follow set rules set out by the gambling mathematician. It’s not a sexy answer, but it’s the real answer. If the RNG decides to make that spin a winning jackpot spin, you win – whether it’s your first or thousand spin on the slot machine. This is down to the Random Number Generator, which, on each spin, will give you a random result of symbols and wins/losses. In theory, a jackpot on a slot online should hit randomly – there is no way to predict when or where the jackpot will hit. Wagering Requirements - T&Cs Apply How often do slot machines hit jackpots?