Modern casino slot games are controlled by a computer, and the winning percentages are preprogrammed into the computer software.
Casino slot games have Random Number Generators which are ceaselessly generating combinations, even when the slot machine game is not active.
Running side by side with the RNG of the casino slot machine is the pay out per cent.
The pay out percentage controls just how much the one-armed bandit will payout, for e.g. the pay % might be ninety percent, which means the slot machine game will pay ninety percent of all the stakes played, and the casino gets to keep ten per cent.
This doesn’t imply that each time you bet 10 credits you will receive nine in return – where’s the fun … exhilaration in that? Instead, the casino slot machine will not payout for a bit, and then suddenly fire up a hot streak and you might catch the big jackpot prize.
The profit percentages will vary between the a variety of games and some of the notably popular casinos, e.g. Golden Online Casino, which gives a pay out rate of up to ninety-five per cent!
As a result, in essence, the one-armed bandit takes all the currency played into it and pays it out to a number of lucky winners. The casino only gets to keep a fairly minute % of all the wagers made.
The casino slot machine software controls any part of the machine, from the flashing lights to the turning of the reels.
When you hit spin on the slot machine, a combination is developed by the RNG which is linked to the pictures on the reel.