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Jan 16, 2023

Random Number Generator (RNG) Learn this before playing slot

What is Random Number Generator (RNG) in online slot?

The slot machine's processing power is provided by the Random Number Generator (RNG). While the majority of players are aware that a computer chip selects the winning numbers, they are not quite aware of how it operates, which can result in some of the numerous myths and misconceptions surrounding slot machines. One of the most widespread misconceptions is the idea that a machine has a cycle that might alert a player to its impending strike. Many "Snake Oil Salesmen" will attempt to sell you a method of doing that. Save your money; it's impossible, as what we mentioned in our online slot guideline.

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Random Number Generator (RNG)

Table of content

  1. Does RNG mean random number generator?

  2. Principles of the Random Number Generator

  3. Can RNG be predicted?

  4. Can RNG be manipulated?

  5. Is there a pattern in RNG?

  6. What does bad RNG mean?

Does RNG means random number generator?

According to National Institute of Standards and Technology, RNG stand for random number generator. RNG is a process used to generate an unpredictable series of numbers. Also called a Random bit generator (RBG). It invoked to generate a random sequence of values (usually a sequence of bits) or an individual random value. It is a mechanism that purports to generate truly random data.

Principles of the Random Number Generator

There are some people will confused RNG with RTP in online slots. Here is a clearer explanation that is also more condensed by Even while this isn't exactly how the RNG works, it should still help you understand the fundamental ideas behind how the winning spins are generated.

Reel Type Slot Machines

Reel type slot machines have a number of spaces on each reel that contain a symbol or blank. The physical stops are what we refer to as these. In contrast to the modern slots, which feature reels with 22 physical stops, the majority of the old mechanical machines had reels that could contain 20 symbols. The new computers can tolerate a lot of "Virtual pauses" thanks to micro processing technologies.

Let's simplify things for this example by saying that each reel has just 10 stops. There are 1,000 possible combinations with 10 stops. By multiplying the quantity of symbols present on each reel, we get to this figure. (10 x 10 x 10 = 1,000) The 1,000 combinations that can be attained are known as a cycle, and this is the word that sometimes confuses a player into thinking that the machine has cycles of winning and losing. One in a thousand chances are that a three-number combination will be chosen. Theoretically, if you spin the wheel 1,000 times, each of these number combinations should appear once. We all understand, however, that this is untrue. You would observe that the numbers would even out to be closer to the true likelihood if you spun a million times. This is comparable to 100 times of coin flipping. Even if the odds are 50/50, it's unlikely that after 100 spins you'll see 50 heads and 50 tails.

Can RNG be predicted?

A random number generator is predictable if, after observing some of its “random” output, we can make accurate predictions about what “random values” are coming up next.

Whether predictability matters depends on the application. If you're performing a simulation, it may not matter at all. But if you were running a lottery, it might matter a lot.

Surprisingly, the general-purpose random number generators that are in most widespread use are easily predicted. (In contrast RNGs used to construct stream ciphers for secure communication are believed to be infeasible to predict, and are known as cryptographically secure).

Inside the slot machine is a microprocessor similar to the one in your home computer. Instead of running Word or Excel, it runs a special program, the RNG, that generates numbers to correspond to the symbols on the reel of the slot machine. You might say that the RNG is in perpetual motion. As long as there is power to the machine it is constantly selecting random numbers every millisecond. The RNG generates a value between 0 and 4 billion (approx number) which is then translated into a specific set of numbers to correspond to the symbols on the reels. The outcome of each spin is determined by the number selected by the RNG. This number is chosen when you hit the spin button or deposit a coin. The RNG uses a formula known as an algorithm which is a series of instructions for generating the numbers. The scope of this is beyond most of our mathematical knowledge but can be checked for accuracy. This is done by the Casino Control Board and other testing laboratories to make sure that the program performs as it should so the player will not be cheated.

Can RNG be manipulated?

RNGs can be manipulated by malicious actors to give themselves an unfair advantage in games. This is called RNG manipulation.

We’ve previously discussed that RNG can create exciting moments in games, but it can also be frustrating when the odds go against the player. Several factors can affect RNG, such as seed values, algorithm choices, and hardware limitations. As a result, RNG can sometimes be manipulated by savvy players.

For example, by changing the seed value, a player might be able to influence what items appear in a treasure chest, or by choosing a different algorithm, a player could increase their chances of getting a critical hit. However, manipulating RNG is not always possible, and even when it is, the results are not always guaranteed.

RNG manipulation is considered cheating and is generally frowned upon by the gaming community. However, some players argue that RNG manipulation is a legitimate way to improve one’s chances of winning.

Is there a pattern in RNG?

A random number generator (RNG) is a mathematical construct, either computational or as a hardware device, that is designed to generate a random set of numbers that should not display any distinguishable patterns in their appearance or generation, hence the word random. It is often in the form of a function or blocks of code used in software applications such as games where an element of chance is required.

What does bad RNG mean?

“Bad” RNG is the RNG that you as the player can’t impact with the decisions you make throughout the game. Basically just anything that is outside of your immediate control that you have very little or no impact on.


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Odyssey Ong

Content marketer and copywriter at

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