Modern casino slot machine games are controlled by computer software, and the win percentages are pre-programmed into the game software.
Casino slot machines have Random # Generators which are endlessly generating combinations, even when the slot machine game is not active.
Running in sync with the random # generator of the casino slot machine is the pay out rate %.
The pay out percent controls just how much the slot machine will pay out, for example the pay % could be ninety per cent, meaning the slot game will payout 90% of all the bets played, and the casino gets to keep ten per cent.
This does not mean that each time you bet ten credits you will receive 9 in return – where’s the fun and exhilaration in that? Instead, the casino slot machine game will not 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 shall vary between the various games and a couple of the very common casinos, e.g. Golden Online Casino, which tenders a cash payment of up to ninety-five %!
Hence, in essence, the slot machine game takes all the cash played into it and pays it out to a couple of lucky winners. The casino only gets to keep a averagely petite percentage of all the plays allocated.
The casino slot software controls each part of the machine, from the flashing lights to the circulating of the reels.
When you hit spin on the slot machine game, a combination is developed by the RNG which relates to the pictures on the reel.