Modern casino slot games are controlled by a computer, and the winning percentages are preprogrammed into the software.
Casino Slots have RNGs which are constantly generating combinations, even when the slot machine is not being played.
Running side by side with the Random Number Generator of the casino slot machine is the payout rate percent.
The payout percentage controls just how much the one-armed bandit will payout, for eg the pay percent could be 90%, which means the slot machine game will payout 90% of all the bets played, … the casino simply gets to keep ten percent.
This does not mean that each and every time you bet ten credits you will receive nine in return – where is the fun and excitement in that? Instead, the casino slot just will not payout for a bit, and then suddenly fire up a hot streak and you might catch the big jackpot prize.
The payout %s usually will vary between the different games and just a few of the very famous casinos, such as Golden Online Casino, which offers a payout rate of up to ninety five percentage!
This means that, in essence, the slot machine game takes all the $$$$$ played into it and pays it out to a couple of lucky winners. The casino only gets to keep a relatively petite % of all the bets placed.
The casino slot machine software controls every part of the machine, from the blinking lights to the rotating of the reels.
When you hit spin on the slot machine game, a combination is developed by the RNG which corresponds to the pictures on the reel.