Modern casino Slots are controlled by computer software, and the win percentages are preprogrammed into the gaming software.

Casino slot machine games have RNGs that are ceaselessly generating combinations, even when the slot machine is not active.

Running concurrently with the random # generator of the casino slot machine is the pay out rate per cent.

The pay out per cent controls how much the slot machine game will payout, for e.g. the pay out percent might be ninety percent, meaning the slot machine game will payout ninety per cent of all the stakes played, … the casino gets to keep ten per cent.

This is not to say that every time you bet 10 credits you will receive nine in return – where is the fun … fascination in that? Instead, the casino slot will not pay out for a while, and then suddenly jump on a hot streak and you might draw the big jackpot prize.

The pay off percentages will definitely vary between the various games and a couple of the very favored casinos, for instance Golden Online Casino, which gives a payout of up to 95 %!

So, in essence, the slot machine game takes all the currency played into it and pays it out to several privileged winners. The casino only gets to keep a generally low per cent of all the plays made.

The casino one armed bandit software controls every single part of the machine, from the dazzling lights to the spinning of the reels.

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