Modern casino one armed bandits are controlled by computer chips and software, and the win %s are preprogrammed into the gaming software.

Casino Slots have Random # Generators which are continually generating combos, even when the slot machine is not being played.

Running concurrently with the random # generator of the casino slot machine game is the payout percentage.

The pay out % controls just how much the one-armed bandit will pay, for e.g. the payout percentage might be ninety percent, which means the slot game will pay out 90% of all the bets played, … the casino gets to keep 10%.

This doesn’t mean that every time you bet ten credits you will receive 9 in return – where is the fun … fascination in that? Instead, the casino slot will not payout for a little while, and then suddenly hit a hot streak and you might catch the big jackpot.

The pay off percentages will tend to vary between the various games and just a few of the highly popular casinos, for example Golden Online Casino, which hands out a payout of up to 95 per cent!

So, in essence, the slot machine game takes all the currency played into it and pays it out to some fortunate winners. The casino only gets to keep a fairly petite per cent of all the bets placed.

The casino one armed bandit software controls each part of the machine, from the blinking lights to the rotating of the reels.

When you hit spin on the one-armed bandit, a combination is formed by the RNG which corresponds to the pictures on the reel.