Modern casino slot machines are controlled by computer chips and software, and the win %s are pre-programmed into the gaming software.
Casino slot games have Random # Generators that are constantly generating combos, even when the machine is not currently being played.
Running simultaneously with the random # generator of the casino one-armed bandit is the pay out rate percent.
The pay out percent controls how much the one-armed bandit will pay out, for example the pay percent may be 90%, which means the slot game will payout ninety per cent of all the bets played, and the casino only gets to keep ten per cent.
This does not mean that every time you bet 10 credits you will receive 9 in return – where is the fun … fascination in that? Instead, the casino slot won’t pay out for a bit, and then suddenly hit a hot streak and you might draw the big jackpot prize.
The payoff percentages shall vary between the different games and a handful of the highly acclaimed casinos, e.g. Golden Online Casino, which puts forth a pay out rate of up to ninety five %!
As a result, in essence, the one-armed bandit takes all the money played into it and pays it out to some chosen winners. The casino only gets to keep a generally low percent of all the stakes made.
The casino slot machine software controls any part of the machine, from the blinking lights to the turning of the reels.
When you hit spin on the slot machine game, a combination is set up by the RNG which corresponds to the pictures on the reel.