Modern casino slot machine games are controlled by computer software, and the win %s are preprogrammed into the computer software.
Casino Slots have RNGs that are eternally generating combinations, even when the slot machine is not being played.
Running simultaneously with the Random Number Generator of the casino slot machine game is the pay out rate %.
The payout percentage controls just how much the slot machine game will pay out, for eg the pay percentage might be 90%, meaning the slot machine game will payout ninety percent of all the wagers played, … the casino only gets to keep 10 percent.
This does not imply that each time you bet ten credits you will receive nine in return – where is the fun … excitement in that? Instead, the casino slot machine will not payout for a bit, and then suddenly jump on a hot streak and you might catch the big top prize.
The payout %s will definitely vary between the differing games and a few of the very famous casinos, e.g. Golden Online Casino, which hands out a cash payment of up to ninety-five percent!
Therefore, in essence, the slot machine takes all the cash played into it and pays it out to some privileged winners. The casino only gets to keep a fairly petite percent of all the odds placed.
The casino slot machine software controls each and every part of the machine, from the blinking lights to the rotating of the reels.
When you hit spin on the slot machine, a combination is put together by the RNG which relates to the pictures on the reel.