Modern casino slot machine games are controlled by computer chips and software, and the win %s are pre-programmed into the game software.
Casino Slots have Random # Generators which are continually generating combos, even when the game is not active.
Running in unison with the Random Number Generator of the casino slot machine game is the payout percent.
The payout percent controls just how much the one-armed bandit will pay out, for eg the payout per cent might be 90%, meaning the slot game will pay ninety percent of all the bets played, … the casino simply gets to keep ten per cent.
This really does not mean that each time you bet 10 credits you will receive nine in return – where’s the fun and excitement in that? Instead, the casino one arm bandit just won’t payout for a bit, and then suddenly hit a hot streak and you might catch the big jackpot.
The profit %s will tend to vary between the alternate games and a handful of the notably established casinos, e.g. Golden Online Casino, which provides a cash payment of up to 95 percentage!
Hence, in essence, the slot machine game takes all the currency played into it and pays it out to a handful of privileged winners. The casino only gets to keep a relatively tiny percentage of all the odds put out.
The casino slot machine software controls any part of the machine, from the flickering lights to the circulating of the reels.
When you hit spin on the slot machine game, a combination is developed by the RNG which associates with the pictures on the reel.