How Pokies Work? Understand the Mechanism Behind Pokie Machines

As of 2008, more than 19,479 machines at 1,501 venues are present in New Zealand, regulated by the Gambling Act 2003. These are operated under 384 licenses across the country. All venues must follow the rules set by the New Zealand Government and comply with the Gambling Act 2003.

Pokies are gambling machines you can find at land casinos, pubs, clubs, and online casinos. In New Zealand, more than NZ$200 million is returned annually to the community from the proceeds of pokie machines in pubs and hotels.  

Pokie machines are one-armed bandits. The Department of Internal Affairs regulates the gambling sector in New Zealand.

The pokie machines hosted in pubs, hotels, and clubs come under class four gambling in NZ. The class four gambling functions on a not-for-profit basis, with the overwhelming objective of generating revenue to return to communities via contestable grant processes.

Check also: Common Tricks To Cheat Pokie Machines.

Corporate societies distribute a proportion of the money punters lose on pokie machines in pubs and bars to community groups.

Four Classes of Gambling

There are four classes of gambling in NZ: casino gambling, sport and race betting, private gambling, and Lotto, which are legal types of gambling under the Gambling Act 2003.

Currently, there is approximately one pokie machine for every 221 people, a slight increase from previous years. Additionally, the average daily amount that pokie machines take from players has risen to around NZ$133 per machine​ (Department of Internal Affairs)​.

Pokies result in more losses than wins because they are designed with a built-in house edge, ensuring that the casino makes a profit over time. The Return to Player (RTP) percentage, typically between 85% and 98%, means that for every $100 wagered, players can expect to get back only $85–$98 on average, with the rest going to the casino. Additionally, random number generators (RNGs) ensure unpredictable outcomes, making consistent wins unlikely (Gaming Machine Venues, Numbers and Expenditure by Territorial Authority/District – dia.govt.nz).

Interesting read: Sinking Lid Policies in New Zealand

Mechanism of Pokie Machines

Earlier pokie machines were mechanical, meaning they relied on physical components for operation. However, they were not entirely manual, as they included automatic payout mechanisms.

Early slot machines, like the Liberty Bell (1895) by Charles Fey, used spinning reels, gears, and levers but could still dispense coins automatically when players hit winning combinations. Over time, electromechanical and digital advancements replaced purely mechanical systems.

The heart of the pokie machine is the Random Number Generator (RNG). The RNG starts working as soon as the pokie machine starts, and spits out random numbers, usually between 0 and several million, at a rate of 300-500 per second. The RNG never stops working, and is not influenced by any outside factors, so the numbers are always totally random.

Modern pokie machines at casinos and online both work in the same way. When you place your bet and press the “Spin” button, the pokie machine takes the following values from the RNG and processes them through a complex computer program to determine the values the reels should have.

Every Spin has an equal chance of winning the Jackpot

Even though this computation only takes a short time, the games are not pre-programmed to pay out at any set time. This means every Spin has the same chance of winning nothing as the Jackpot.

Suppose you play on a standard 5-line pokies machine. When you press the “Spin” button, the pokies machine will grab the following 5 numbers from the RNG and store them in memory.

The pokies machine uses the first number to determine the position of the first reel, the second number to determine the position of the second reel, and so on.

The computer divides the random number by a set value to determine the position. This is usually a standard computer value of 16, 32, 64, etc.

This works because of the way that computers mainly work in powers of 2, and this makes it easier for the computer to work out a value. As an example of how this works, say our random value is 3,486,421, and the computer divides by 128.

When you divide the random number by 128, you have a remainder of 81. The machine has set values of where to stop the reel for every value from 0 to 127 because these are the numbers that will be left over after dividing the random number by 128. This tells the machine to stop the reel at that position.

As there are usually more numbers to decide from than positions on the reels, each position has more than one number assigned.

How Do Pokie Machines Work?

Pokies are popular gambling machines found in casinos, pubs, and other establishments around the world.

Pokie machines in New Zealand are regulated by the Department of Internal Affairs (DIA), which ensures that games are played fairly and follow all community guidelines to prevent losses and inconvenience.

Regardless of whether you are playing online or offline, these machines operate using a microprocessor-controlled Random Number Generator (RNG).

The RNG continuously generates random numbers, and whenever a player presses ‘spin,’ the latest generated number determines the symbols that appear on the reels.

Each pokie has a predetermined Return to Player (RTP) percentage and volatility, influencing payout frequency and amounts. Modern machines no longer dispense coins but instead use ticket-in, ticket-out (TITO) systems or digital credits. Since outcomes are random, there is no strategy to guarantee a win—playing responsibly is key to an enjoyable experience.

Features of Pokie Machines

To understand the working mechanism of pokie machines, it’s important to be completely aware of their features and aspects. Each feature directly affects how the machine functions and how the outcomes appear.

• Reels and Payline – Knowing how paylines or “ways-to-win” systems work helps players understand how winning combinations are formed and why some spins result in no payouts.
• RTP – It indicated how much money a machine is expected to return over time. However, there’s no guarantee that these are the sure results. A machine with a 96% RTP does not mean a player will always get $96 back from $100 in a single session.
• Volatility (Variance) – Helps determine risk. Low-volatility machines give frequent small wins, while high-volatility machines have fewer but larger wins.
• Special Symbols and Bonus Features – Features like wilds, scatters, and free spins increase the potential payout opportunities. Without understanding them, players may not take full advantage of bonus rounds or multipliers.
• Bet Options & Denominations – Different machines have varying bet limits. Players unaware of this might choose a machine with bets that are too high or too low for their bankroll.
• Ticket-In, Ticket-Out (TITO) System – Since cash payouts are replaced by digital credits or tickets, players need to know how to collect their winnings to avoid leaving unclaimed credits on a machine.

Random Number Generation

Random Number Generators (RNGs) are the core technology behind modern pokie machines, including both land-based and online versions. This mechanism ensures that every spin is fair and cannot be manipulated by anyone.

RNG is a software algorithm that continuously generates sequences of random numbers. The moment a player presses “spin,” the machine selects a random number from the sequence. This number determines the symbols that appear on the reels and the outcome of the spin.

There are two types of RNGs used in pokies:

1. HRNG (Hardware RNG): Found in some land-based casinos, it generates numbers based on real-world physical processes like electrical noise.
2. PRNG (Pseudo RNG): Commonly used in online pokies, it relies on complex algorithms to produce random results.

In New Zealand, RNGs must comply with strict regulations set by the Department of Internal Affairs (DIA). Independent testing agencies like eCOGRA, iTech Labs, and Gaming Laboratories International (GLI) audit and certify RNGs to ensure they:
✔ Generate unbiased results
✔ Cannot be manipulated by casinos or players
✔ Operate within the stated Return to Player (RTP) percentage

Psychology Behind Pokie Machines

When it comes to playing pokie machines in NZ, the psychology behind it is worth examining. The first question is why people get so addicted to playing pokies.

Pokies are appealing for their considerable win potential and social aspect, but they also carry a risk of addiction due to their exciting nature.

Another aspect of the psychology of pokies is the challenge of controlling emotions while using a machine. This can be difficult for some, but it is possible with the right strategies and decisions.

Setting a budget and taking breaks can help to avoid becoming overwhelmed by emotions while playing. Pokie machines use bright colours and flashing lights to keep players engaged, so you must be aware of your emotions when playing.

The operator cannot modify the pokies machine.

Also, a pokies machine cannot be modified by the entity that owns or operates it. All modifications to pokies can only be carried out by the representatives of the machine manufacturers.

Also, if casino owners or operators need to modify them, they must do so under the supervision of a Gaming Commission representative.

It is good to remember that a random number generator system determines what symbols the reels land on. It is this same system that, if you are lucky, will create a combination of winning numbers on any given spin.

The software operates on a random basis and, thus, does not guarantee that the following combination will be a winning combination. Therefore, always play wisely after knowing how online pokies work.

False winning features of pokie machines

Pokie machines will also give you false winning indications. The machine will have lights and sounds that make it seem like you’ve won when you’ve still lost money.

Machines will also celebrate any win regardless of how much you’ve gambled over the session. More often than not, the total amount spent will be more than you win, so on the whole, you lose.

Finally, you can pump money into these machines after knowing how the pokies work in NZ. Note that no matter what you do to a pokie machine, you cannot change what it is programmed to do as it is a computer-designed electronic device.

It is to take in more money than it pays out, and there is no skill to win them.

Regulation and Social Impact

Regulations govern the operation of pokie machines in New Zealand, with strict guidelines in place to ensure fair play and responsible gambling practices. The Gambling Act of 2003 regulates the industry, with licensing and compliance requirements for operators.

Despite regulations, pokie machines have a significant social impact, with addiction and financial hardship being common issues. The lure of big payouts can lead to compulsive gambling, and the ease of access to pokie machines exacerbates the problem.

This has led to calls for stricter regulation and controls to mitigate the social impact of pokie machines.

Some argue that pokie machines have positive economic impacts, generating revenue for the government and creating jobs in the industry. However, the negative social impact cannot be ignored.

Education campaigns and support services are in place to help those affected by problem gambling. Still, prevention through regulation remains a crucial element in mitigating the social impact of pokie machines.

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