Modern casino one armed bandits are controlled by computer chips and software, and the winner %s are pre-programmed into the gaming software.
Casino slot machines have RNGs that are continually generating combinations, even when the game is not currently being played.
Running in unison with the RNG of the casino slot machine game is the pay out rate percent.
The pay out per cent controls how much the slot machine will payout, for example the payout percent could be 90%, which means the slot game will pay out ninety per cent of all the wagers played, and the casino simply gets to keep 10 per cent.
This does not mean that for every time you bet ten credits you will receive nine in return – where is the fun and exhilaration in that? Instead, the casino one arm bandit just won’t pay out for a bit, and then suddenly start up a hot streak and you might catch the big jackpot prize.
The payoff %s will very likely vary between the different games and just a few of the highly favored casinos, for example Golden Online Casino, which offers a payout rate of up to 95 %!
Hence, in essence, the slot machine takes all the funds played into it and pays it out to a handful of lucky winners. The casino only gets to keep a relatively tiny percent of all the stakes put out.
The casino one armed bandit software controls every single 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 put together by the RNG which associates with the pictures on the reel.