Modern casino slot games are controlled by computer software, and the win percentages are pre-programmed into the software.
Casino slot games have Random # Generators which are eternally generating combos, even when the slot machine game is not currently being played.
Running in sync with the Random Number Generator of the casino slot machine is the payout rate %.
The payout percent controls how much the one-armed bandit will pay, for example the pay out % may be 90%, meaning the one arm bandit will pay out ninety percent of all the bets played, and the casino will then get to keep ten percent.
This doesn’t imply that for every time you bet ten credits you will receive nine in return – where’s the fun and exhilaration in that? Instead, the casino one arm bandit just will not pay out for a bit, and then suddenly jump on a hot streak and you might draw the big top prize.
The profit percentages will very likely vary between the alternate games and a handful of the notably famous casinos, e.g. Golden Online Casino, which offers a pay out of up to ninety-five percent!
Therefore, in essence, the slot machine takes all the money played into it and pays it out to a few chosen winners. The casino only gets to keep a basically minute % of all the gambles allocated.
The casino slot software controls each part of the machine, from the flashing lights to the rolling of the reels.
When you hit spin on the slot machine, a combination is set up by the RNG which corresponds to the pictures on the reel.