Modern casino slot machine games are controlled by a computer, and the winning %s are preprogrammed into the gaming software.
Casino slot games have RNGs that are eternally generating combinations, even when the slot machine is not being played.
Running in unison with the RNG of the casino slot machine is the payout percentage.
The payout per cent controls how much the slot machine will pay, for example the pay per cent may be ninety per cent, which means the slot game will pay out ninety per cent of all the wagers played, and the casino only gets to keep 10 per cent.
This is not to say that for every time you bet 10 credits you will receive 9 in return – where’s the fun … exhilaration in that? Instead, the casino slot machine game just will not pay out for a little while, and then suddenly go on a hot streak and you might hit a big pot prize.
The payoff %s most likely will vary between the a variety of games and several of the most acclaimed casinos, e.g. Golden Online Casino, which offers a payout of up to ninety-five per cent!
Hence, in essence, the slot machine takes all the $$$$$ played into it and pays it out to several lucky winners. The casino only gets to keep a relatively indistinct per cent of all the odds allocated.
The casino one armed bandit software controls every part of the machine, from the blinking lights to the turning of the reels.
When you hit spin on the slot machine, a combination is produced by the RNG which connects with the pictures on the reel.