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There is one main element in modern slot machines: the random number generator. As soon as a slot is activated, the function starts generating random numbers at a surreal rate (usually hundreds per second).

The instant a player presses the spin button on a slot machine, the random number generator (or “RNG”) picks up the most recent series of digits and uses it to determine the result. While the spin symbols give the illusion that the end result is determined by one reel at a time, in fact, it is already finished as soon as the player decides to press the button. Of course, the slots would lose much of their appeal if the results were presented instantly.

Although the winning symbols are randomly selected, some are programmed to appear more often than others. Otherwise, the wildcard and bonus symbols would come out much more often and would result in significant damage to the house.

Despite superstitions to the contrary, slot machines are not programmed to swing between gains and losses. A machine can go 20 years without paying a progressive jackpot, or it can award two on the same day. This is good news for the user who can play just after the jackpot winner with the same chances of success.


The house advantage on most slot machines ranges from 6% to 15%. Physical slots must pay a minimum amount that is determined by your state or country, while online gambling tends to be less regulated. If you use a reputable Internet casino that uses the software from a leading vendor, you should be fine.



When it comes to slot machines, there are so many variations today that figuring out your odds is almost impossible. Instead, the odds of the game of slot are expressed in the form of percentages of return. As a player, you need to search for games that give you the highest return percentage you can find, and that percentage online should be at least 99% or better.

There are rumors that some traditional casinos even have some free slot games that pay up to over 100%. The casinos, supposedly, put these games in areas of great movement so that more customers can testify that someone got the big prize. There are none of these free online games, but the average online return is higher than the average you would find in any regular casino.

In a game of slot machines in a physical casino, the average return percentage is 92.5%. Slot machines that run $ 0.25 coin pay on average 94.1%, $ 1 machines 95.9%, and $ 5 high machines pay 98.4%. The online overhead is much lower than in a real casino, so the payout percentages can be higher without the house going through difficulties.

The payback percentage of most online casino slots is around 99%. With so many casinos to choose from, and because slot machines are your favorite game, what you have to do is take the time to find the best games with the highest payoffs. It may not represent a big difference considering only one session, but in the long run the game will add up to a significant amount.


Progressive jackpots can increase the payout percentages of the slot machines because the jackpot amount increases dramatically in the face of a potential win. If the jackpot is large enough, the return of a game can easily exceed 100% of the investment, thus providing a positive betting situation for the players.

Just remember that when it comes to progressive jackpots, the higher, the better the return percentage. Wait until the jackpot has become a good size before you play, and remember to play the maximum bet on any progressive jackpot game you play. If you do not play the max bet, you are not qualifying for the jackpot and your payout percentage will decrease.


When it comes to numbers and odds with slot games, you need to know how bankroll management is. These calculations are fairly simple to learn, the basics is to begin by finding out how much money you can spend on slots. After you know how much money you have to spend, then you can split it up to play multiple sessions. The session frequency is different for each player.

It is essential for players to understand that online slots need to stay in the game for as long as possible; so playing at the right betting levels will ensure enough time in the games to get a decent chance of earning a great financial return. All slot games slowly deplete your balance until your cash return, so playing in games where bets are too high will cause you to use your entire balance before reaching big luck.

Each game of slots lowers your balance to a different frequency. One should expect to lose faster in a slot game that has a higher earning potential. When the gain potential is lower, as in many three-reel sets, the loss rate will be slower. You need to balance your bets with the frequency of loss to ensure that you have enough money to make all of your game sessions planned without running out of money.

On average, in any slot game with a payout of 90% where the player can make 10 spins per minute, the player will need $ 9.00 an hour on a slot machine, $ 45.00 an hour on a $ 0.25 machine, $ 180 per hour on the machine for a dollar and $ 900 per hour on a $ 5 machine. Online payment rates are above 90%, but often the game is faster online, so these numbers should serve as good guidelines.

The most common mistake that players make in the strategy of managing the balance is not going out when they are winning. A predetermined amount must be decided beforehand and a player must exit the game when he reaches or exceeds that level after a meaningful round of victory. Moving away at the right time is essential for the session to be a victory.

One of the worst things that many players do after a great win round is to continue playing just to get their full credit in a round number. Do not waste your money just to get a more beautiful number as financial return. Some players will lose a considerable amount just to play a little more.



If someone offers to tell you a slots strategy, prepare to be struck by an ill-informed counter-claim. There is no system or trick to beat the slots, and whoever says otherwise, or is mistaken, or trying to sell something.

The truth of the matter is that modern slot machines are equipped with a technology known as random number generator. This ensures that all turns are independent of each other, so it is impossible to predict which symbols will appear on the reels.

There is also the percentage of return, a number that is programmed into a slot machine to govern the amount that the machine will pay over its use. Even if it’s a generous number like 97%, in the long run it should still result in a 3% loss of the game.

In this article, we’ll look at some of the most popular myths of slot machines and explain why they are fake. We will also identify some questionable individuals who intend to sell slot machines.


Here are some of the most common myths about slot machines. If you want to make the most of your money, you should avoid falling prey to these fallacies.

“Always bet the maximum”

Some players insist that you should bet the maximum amount, to have a greater chance of winning. This is false since the random number generator does not take into account the size of the player’s bet. The only time I suggest risking the most is in progressive slots, since it is common for rules to require this type of bet to be a jackpot.

“Use hot or cold coins”

The temperature of your coin has nothing to do with victories or defeats, and you will only end up being ridiculous if you take that into account. Even if that were true, it would not help online slots players.

“Standards can be predicted”

There is no way to know which symbols will appear in the modern slot machine. The RNG ensures this with its computational precision.

“How Slot Systems Work”

A slot system is supposed to be a gaming method that allows you to beat the slots on a consistent basis. Sold by men like Bill Stone and John Patrick, these systems are inherently flawed. Of course, only the desperate would do business with people who also promise to show her the secrets of winning the lottery, or find evidence of witchcraft.

A notable example is the Zig Zag System. Sold online for real money, this not-so-brilliant system encourages gamers to roam the casino looking for slot machines with winning symbols only slightly out of alignment. The idea is that the icons should line up within a few more rounds, but the random number generator makes this ridiculous premise.

It is advisable to stay away from the Martingale, a betting system that has been costly for players for decades. The idea behind this system is that a player should always double his bet after a loss. When you finally win, this is done to cancel any losses incurred along the way. In fact, it’s an easy way to go bankrupt and make your game session end in a bitter tone.

“Bets with only one coin”

Some superstitious players believe they will have a better chance of winning by betting a single currency. As I mentioned earlier in this article, the random number generator determines the winning symbols on the reels and does not care how many coins were placed inside the machine.

“It’s time for this machine to pay a premium”

Just because a slot machine has not been giving prizes for some time, players are convinced that the next round will compensate for the drought period. While slot machines are programmed to return a certain percentage of the winnings, this calculation should consider an almost infinite number of rounds.

“Casinos can instantly adjust a slot machine”

This paranoid belief is centered around the idea that the casino can make or lose more arbitrarily on a machine. Although the machines can be adjusted, this is not something that is done in the heat of the moment to get a player out of a hot sequence.

“Slots pay in cycles”

This myth states that slot machines go through a payment cycle. When the cycle finishes its course, it starts again from the beginning. The idea, of course, is to observe the machine and memorize the payment cycle. As usual, the RNG makes this a ridiculous idea and a waste of time.

Now that you’ve finished reading, I hope you’ve realized that any form of slot strategy is doomed to failure in the long run. Even if you can enjoy some initial success, it is nothing more than pure luck, and the casino’s return percentage ends up changing the odds in favor of the house. Prepared with this knowledge, the best course of action is to play for fun.


The types of slots available in both online and physical casinos are more varied than most players would presume at first. That’s because gaming establishments are always looking for new ways to attract customers, just as an automaker looks for new ways to make their products appealing.

Keep in mind that there are varied categories of a large number of slot machines, such as a multi-slot machine that offers bonus rounds and a progressive jackpot. Some casino customers, however, like games that are simpler and less complicated. That’s what we gain from variety, it gives people of different tastes the opportunity to find the perfect machine for them.


Only found in physical casinos, these are the original slot machines that use physical reels instead of video monitors. No new versions of this type are produced anymore, although they are still estimated by some collectors.


The modern form of slot machines, this type of game uses computer technology to display virtual reels. It is not uncommon to include animation and clips from popular movies or television shows as well.


More basic version of the modern slot machines, this type of game grants prizes as determined by the pay table. In addition to normal wins, these games often feature special symbols, multipliers, wild cards, and even bonus rounds.


This machine, the most basic type of slot machine, offers the payment of only one line between the reels. Although it can still be found, this option is becoming increasingly rare. Much of this is due to the fact that modern slot machines have virtual reels, so producing 30 pay lines does not cost much more than creating a single slot.


This popular slot machine offers numerous pay lines in the most bizarre patterns on the reels, instead of a single line that pays from left to right. Hit a line is already a win, but it is possible to win multiple times in a single round. It has become the industry standard, and the set of 30 pay lines is the most common. It has games with 50 paylines, and I’ve also seen machines that pay from right to left.


When the reels have stopped spinning in this version of the game, the player may choose to rotate again while one or more reels stand (usually those containing symbols with the highest payouts). Since the odds of reaching a winning combination are higher with this option, payments are almost always set at a lower value.


Although certain symbol combinations offer a fixed amount, there is also a top prize that can be obtained. It is the well-known “jackpot”, which offers the highest available payment of the game. This amount is often a fixed number, although the size of your bet may lead to a potential increase.


Each time someone plays a progressive slot machine, a small percentage of their bet is awarded to the progressive jackpot. This means that the premium continues to grow, not until the winning combination is successful. After that happens, a minimum payment amount is redefined and then re-accumulated. It is not uncommon to see a progressive jackpot offering a six-figure payout, and some may even go into the millions.


Instead of just accepting a single amount, this type of slot allows the player to choose how much to bet. This amount can be as low as a penny, or as high as several hundred dollars.


If the required symbols appear on the reels, a bonus round is unlocked. In some cases, it’s simple free spins with one or two reels displaying different icons. In other cases, the bonus round can unlock animated games that offer free spins or multiple cash bonuses. I even saw games in which it is necessary to unlock the bonus round to apply for the progressive jackpot.



This type of slot machine includes several pay tables. Higher stakes make you a candidate for better payouts, and you should be risking the maximum amount to get a chance at the jackpot.


These are not types of slot machines, but modes like players often refer to them. A free slot machine offers frequent payouts, while a restricted slot machine is stingy when it comes to giving money to users.

No matter where you choose to make your game, most of the types of slot machines included in this list should be available. The best strategy is to find the game that works best for you, or for the potential payout, or some other factor, and stick with it. However, before deciding on a type, it is good to try out all the options available


If you are curious about the history of the slot machines, you have come to the right place. This article was created for the sole purpose of informing readers about the origin of the slot machines, and we hope it gives an interesting insight into the game’s development over the decades.


The term “slot machines” was originally applied to various creations, from inventions of 19th century gambling to vending machines. However, all of that changed in 1898, when a Bavarian immigrant in San Francisco named Charles Fey created the first version of modern slot machines.

Known as the Card Bell, this machine included three mechanical reels, an automatic payment design and staggered stops. The symbols of this version of the game have been removed from the playing cards. The following year, Fey would replace these painted symbols with a more patriotic theme with stars and a representation of the cracked Liberty Bell

The game was renamed because of this American icon, when you get three of them on the reels resulted in a top payout of 10 coins. When his invention was working well, Fey began renting them to bars in exchange for 50% of the machine’s profits.

Fey was a prolific inventor during this period. In addition to the first real slot machine, he also created the first closed-in Poker game. Other devices like Klondike, Three Spindle, 4-11-44 and Horseshoe are already forgotten by all but historians.

From 1958 to 2006, Marshall and Frank, Fey’s grandchildren, lived in Reno, Nevada and managed the Liberty Belle Saloon and Restaurant. His grandfather’s inventions were on display in the museum’s upstairs building, along with numerous vintage slots and historical pieces of the casino. When the deal closed, Liberty Bell machines were moved to the Nevada State Museum in Carson City.


Fey made numerous deals with his innovative slot machine and was profitable enough for several companies to try to buy their distribution or manufacturing rights. When Fey refused to sell, they were forced to look elsewhere.

In this case, the other place was Chicago, Illinois, at the home of the game’s maker, Hebert Mills. In 1907, he created a machine similar to Liberty Bell and called the Operator Bell. He worked very similarly, is remembered more as the first slot to include fruit symbols like cherries and lemons.

An increasing number of “Bell” machines began to appear in salons throughout the United States. While the most desirable prize was money, some machines deviated from local laws against gambling, offering everything from cigars to free food.


Potential for electronic games had already been demonstrated in 1940, but it was only in 1963 that Bally revealed the first electronic slot machine. Known as “Money Honey”, this game stood out for an automatic payment of up to 500 coins, as well as a bottomless funnel.

This type of game was immediately popular, and soon began to replace their mechanical copies. In a few decades, the classic lever on the side of the machine has been extensively replaced by a series of buttons placed on the front.


Again, 1976 saw the slot machine industry make a big leap forward, and this was when the first video slot machine was released. Developed with the help of the Fortune Coin Company, this machine replaced physical reels with virtual images and internal computer technology.

The game was initially tested at the Las Vegas Hilton and soon received approval from the Nevada State Gaming Commission. From there, it spread to other gaming destinations in the United States. Today, almost every slot machine operating in the world falls into this category.


Progressive slots offer the opportunity for big wins, whereas a percentage of each bet is always added to increase the jackpot. The first game of this type became known as “Megabucks”, and was released in 1986 after being created by International Game Technology (IGT).


In 1994, Microgaming Software became the first developer to create an online casino. This virtual milestone opened the floodgates for the market, and it was not long before companies like Cryptologic, IGT, Playtech and Betsoft also took action.

The first online slots had sound effects and primitive graphics, and in the following decades they advanced a lot. This has led to the creation of i-Slots, new generation machines that feature top-of-the-line audio and animation. In the next 20 years, we may even wait for holographic slot machines.

So we ended our tour of the history of slot machines. We hope you have found this journey down memory lane fun and informative. While this may not increase your odds of winning a progressive jackpot, it demonstrates that future upcoming classic casinos are only waiting for an innovative mind to be revealed.