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

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

Running synchronously with the RNG of the casino slot machine game is the payout rate percentage.

The pay out % controls how much the slot machine game will pay out, for e.g. the payout % might be ninety per cent, which means the slot game will pay out ninety per cent of all the stakes played, and the casino simply gets to keep ten per cent.

This really does not mean that for every time you bet 10 credits you will receive 9 in return – where’s the fun … excitement in that? Instead, the casino slot just won’t payout for a little while, and then suddenly start up a hot streak and you might catch the big grand prize.

The pay off %s will most likely vary between the assorted games and a couple of the very popular casinos, like Golden Online Casino, which provides a payout of up to ninety five per cent!

Hence, in essence, the one-armed bandit takes all the currency played into it and pays it out to a few privileged winners. The casino only gets to keep a relatively indistinct percentage of all the stakes made.

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

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