Modern casino one armed bandits are controlled by a computer, and the winner %s are pre-programmed into the computer software.
Casino slot machine games have RNGs that are continuously generating combos, even when the slot machine game is not currently being played.
Running in unison with the RNG of the casino slot machine is the payout percentage.
The pay out % controls just how much the slot machine game will pay out, for e.g. the payout percent might be ninety percent, which means the one arm bandit will pay 90% of all the bets played, … the casino only gets to keep 10 per cent.
This is not to say that each time you bet 10 credits you will receive 9 in return – where’s the fun … thrill in that? Instead, the casino one arm bandit just won’t payout for a bit, and then suddenly start up a hot streak and you might hit a big pot prize.
The pay out percentages shall vary between the different games and a handful of the very common casinos, such as Golden Online Casino, which tenders a pay out of up to ninety five %!
Therefore, in essence, the one-armed bandit takes all the dough played into it and pays it out to a couple of chosen winners. The casino only gets to keep a relatively indistinct % of all the plays placed.
The casino slot machine software controls each part of the machine, from the flashing lights to the turning of the reels.
When you hit spin on the slot machine game, a combination is generated by the RNG which is linked to the pictures on the reel.