Modern casino slot machine games are controlled by computer software, and the win %s are preprogrammed into the gaming software.
Casino slot games have RNGs which are continually generating combos, even when the slot machine is not active.
Running synchronously with the random # generator of the casino slot machine game is the pay out %.
The pay out % controls just how much the slot machine game will payout, for example the payout percentage could be 90%, which means the slot machine game will pay out 90% of all the wagers played, and the casino only gets to keep ten percent.
This does not imply that each time you bet 10 credits you will receive nine in return – where’s the fun … exhilaration in that? Instead, the casino one arm bandit won’t payout for a bit, and then suddenly hit a hot streak and you might hit a big top prize.
The pay off percentages will tend to vary between the alternate games and just a few of the most common casinos, for example Golden Online Casino, which tenders a payout rate of up to 95 percentage!
Hence, in essence, the one-armed bandit takes all the money played into it and pays it out to a few chosen winners. The casino only gets to keep a fairly petite percent of all the bets made.
The casino slot machine software controls every part of the machine, from the flickering lights to the rolling of the reels.
When you hit spin on the slot machine game, a combination is put together by the RNG which relates to the pictures on the reel.