Modern casino slot games are controlled by computer software, and the win %s are preprogrammed into the game software.
Casino slot machine games have Random Number Generators which are continually generating combos, even when the machine is not active.
Running side by side with the Random Number Generator of the casino one-armed bandit is the pay out rate per cent.
The payout % controls just how much the slot machine game will pay, for example the payout percent might be ninety percent, meaning the slot machine game will pay out ninety per cent of all the stakes played, … the casino will then get to keep 10 percent.
This is not to say that each and every time you bet 10 credits you will receive 9 in return – where is the fun and excitement in that? Instead, the casino slot machine game just will not payout for a while, and then suddenly start up a hot streak and you might catch the big grand prize.
The pay out %s will tend to vary between the different games and a few of the extremely acclaimed casinos, for example Golden Online Casino, which provides a payout rate of up to 95 percentage!
As a result, in essence, the one-armed bandit takes all the $$$$$ played into it and pays it out to a handful of fortunate winners. The casino only gets to keep a generally indistinct % of all the odds placed.
The casino slot machine software controls each and every part of the machine, from the flickering lights to the revolving of the reels.
When you hit spin on the one-armed bandit, a combination is produced by the RNG which corresponds to the pictures on the reel.