Random Number Generator Slot Machine

Jun 07, 2018 The Random Number Generator (RNG) is the brains of the slot machine. While most players know that there is a computer chip picking the numbers, they do not fully understand how it works and this can lead to some of the many myths and misconceptions about a slot machine. Feb 17, 2017 Slot machine outcomes are controlled by programs called pseudorandom number generators that produce baffling results by design. Government regulators, such as the Missouri Gaming Commission, vet the integrity of each algorithm before casinos can deploy it. On random number generators I'll leave you to read the rest of the article. Early slot machines were mechanical (think coin slots), but they still used a random number generator, in the same sense that a roulette wheel, a deck of cards, or a pair of dice are also random number generators. Modern slot machines use a computer to generate random numbers, and these determine the outcomes of the game. The important thing to remember is that the results are truly random. Simplifying things a bit, a slot machine is a random number generator which picks a number between 0 and 100 randomly when the punter puts in a coin and presses a button. If the number is above 55, the punter “wins” and there is some payout — otherwise the house “wins” and keeps the coin.

How They Work

Manipulate A Random Number Generator Slot Machine

When a slot machine's reels start spinning and you see the animations and you hear the sounds, your fate has already been decided.

The random number generator ('RNG') of the slot machine processes hundreds of numbers in a second (works even when you're not playing) and picks a number between zero and a few billions at the moment you press spin, then assigns the numbers one-by-one to each reel.

Each of the numbers assigned to reels are then divided by the machine's set value. Once the numbers have been divided, the amounts left after the division decide at what point of each individual reel the spinning stops.

Rng generator slots

The outcome could be displayed as numbers at the moment the player presses spin; reels, sounds and the waiting time are merely a more entertaining way of displaying the outcome.

How Does A Random Number Generator Work On A Slot Machine


In a three-reel slot machine, three numbers are generated by the RNG the moment you press spin, which the computer then assigns to reels one, two and three.

For example, if set value is 128, then each of the numbers are divided by 128. This also means that each reel can get 128 different numbers which all have a symbol (obviously several of the numbers are assigned to same symbols since there aren't 128 different symbols).

If the number for the first reel was 128,000,030, the calculation would produce a remainder of 30 (when divided by the set value 128). What you will see on the first reel is the symbol equivalent to 30. The same process is then repeated on each of the reels.

Igt slot machine hacks. In the 90’s, IGT presented video slots: Games that ran on a computer software. All the wheels and cogs were gone, it has been only computer code from now on. And this is the case since the last 30 years: All slot games have been running on a central server (even the ones in brick-and-mortar casinos) and they are using advanced software, which.


Random number generators are required in all slots since the outcomes must be random. The casino always has a built-in advantage (known as house edge or 'hold percentage') which is based on different payouts - randomness stays the same.

Slot machines are required to produce a minimum payback or frequency of wins or both (the limits depend on the jurisdiction). While the RNG always works the same, the EPROM chip inside the machine determines how much players win when they land winning combinations and therefore determines the payback percentage.

So when a casino changes the EPROM chip, randomness remains but payouts change, and therefore payback changes. RNGs never consider the money involved.

Every spin has an equal chance of winning regardless how much players have won, how long it has been since the last win or what the weather is like. RNGs are always equally random.

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