Modern casino slot machines are controlled by computer software, and the winning %s are pre-programmed into the software.

Casino slot machine games have Random Number Generators that are continually generating combos, even when the slot machine is not being played.

Running in sync with the random # generator of the casino one-armed bandit is the pay out rate percentage.

The pay out % controls how much the slot machine will pay out, for e.g. the pay out per cent may be 90%, meaning the one arm bandit will pay 90% of all the stakes played, … the casino will then get to keep 10%.

This really does not mean that for every time you bet ten credits you will receive nine in return – where’s the fun and fascination in that? Instead, the casino slot machine game will not pay out for a little while, and then suddenly fire up a hot streak and you might hit a big jackpot.

The pay out %s will most likely vary between the different games and a handful of the very famous casinos, for e.g Golden Online Casino, which tenders a payout rate of up to ninety-five percent!

Hence, in essence, the slot machine game takes all the cash played into it and pays it out to some lucky winners. The casino only gets to keep a generally low percentage of all the wagers placed.

The casino slot software controls each and every part of the machine, from the dazzling lights to the revolving of the reels.

When you hit spin on the slot machine game, a combination is produced by the RNG which associates with the pictures on the reel.