Modern casino slot machine games are controlled by computer software, and the win percentages are preprogrammed into the gaming software.
Casino slot games have Random # Generators that are continuously generating combinations, even when the game is not active.
Running synchronously with the random # generator of the casino one-armed bandit is the pay out percent.
The pay out per cent controls how much the one-armed bandit will payout, for example the payout percent may be ninety per cent, meaning the one arm bandit will pay out ninety per cent of all the bets played, … the casino gets to keep 10 per cent.
This is not to say that each time you bet ten credits you will receive nine in return – where’s the fun … thrill in that? Instead, the casino slot machine will not pay out for a while, and then suddenly go on a hot streak and you might draw the big grand prize.
The payoff %s will vary between the various games and a handful of the highly established casinos, for e.g Golden Online Casino, which offers a pay out rate of up to ninety-five percent!
So, in essence, the slot machine takes all the cash played into it and pays it out to a handful of chosen winners. The casino only gets to keep a relatively indistinct percentage of all the wagers allotted.
The casino slot software controls each part of the machine, from the flashing lights to the turning of the reels.
When you hit spin on the one-armed bandit, a combination is formed by the RNG which corresponds to the pictures on the reel.