Modern casino slot machine games are controlled by computer chips and software, and the win percentages are preprogrammed into the gaming software.
Casino slot machines have Random # Generators which are constantly generating combinations, even when the slot machine game is not active.
Running simultaneously with the RNG of the casino one-armed bandit is the payout %.
The pay out per cent controls just how much the slot machine game will payout, for e.g. the payout percentage could be ninety percent, meaning the slot game will payout ninety per cent of all the bets played, … the casino simply gets to keep ten percent.
This does not imply that every time you bet 10 credits you will receive 9 in return – where’s the fun and exhilaration in that? Instead, the casino one arm bandit won’t pay out for a little while, and then suddenly jump on a hot streak and you might draw the big jackpot.
The pay off percentages usually will vary between the different games and a handful of the notably common casinos, e.g. Golden Online Casino, which gives a pay out rate of up to ninety-five per cent!
Hence, in essence, the slot machine game takes all the funds played into it and pays it out to a couple of chosen winners. The casino only gets to keep a relatively petite percentage of all the bets put out.
The casino slot machine software controls every part of the machine, from the flashing lights to the rolling of the reels.
When you hit spin on the one-armed bandit, a combination is set up by the RNG which connects with the pictures on the reel.