Modern casino slot machine games are controlled by computer software, and the win %s are pre-programmed into the software.

Casino slot machines have RNGs that are continually generating combinations, even when the slot machine is not currently being played.

Running in unison with the Random Number Generator of the casino one-armed bandit is the payout rate per cent.

The payout per cent controls how much the one-armed bandit will pay, for eg the pay out percent might be ninety percent, meaning the slot machine will pay out ninety per cent of all the bets played, … the casino simply gets to keep 10 per cent.

This does not imply that each time you bet ten credits you will receive nine in return – where is the fun and fascination in that? Instead, the casino slot will not payout for a while, and then suddenly fire up a hot streak and you might draw the big pot prize.

The pay out %s will vary between the various games and a couple of the extremely famous casinos, for instance Golden Online Casino, which tenders a cash payment of up to ninety five %!

Hence, in essence, the slot machine game takes all the currency played into it and pays it out to a few lucky winners. The casino only gets to keep a generally low percent of all the gambles placed.

The casino slot software controls any part of the machine, from the flashing lights to the rolling of the reels.

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