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You may find it difficult to choose from thousands of online slots: Our website helps you in this regard and lets you learn about all the features of a game beforehand. You can find these reviews on our site. Above is a short review table containing examples from all slot categories. Before you start playing for real money, you can try all these games and more on our website for free.

The Wonderful History of Slot Machines

Slot machines were invented about 200 years ago, and since then they are among the most popular casino games. The reason for this is that they are visually stunning and offer every player a chance to win. There is no difference between amateur and professional players: Everyone can play and win at slot machines. These games divided into many subcategories over time and can appeal to every liking for this reason. And some of them can make you win millions of dollars!

Types of online casino slots

It is possible to say that there are 4 different slot categories in total. If we examine them separately:

Classic Slots

Sometimes referred to as fruit machines, this category contains the most basic versions of slots. The number of pay lines of classic games is between 1 and 5, and the number of symbols usually does not exceed 9. The rules are very simple: Place the same symbols on a pay line and win! Special symbols like wild/scatter, and bonus rounds are not available in the classic slots. However, this is not a disadvantage, as these games pay much more often than other categories. Although the amount of rewards is not high, it is possible to earn a modest but regular income. We can say that it is the most appropriate category for beginners.

Video Slots

Games in this category increase the features of classic slots and add new ones. The number of pay lines starts from 15 and can be up to 1,024. The most obvious features are their special symbols like wild, scatter, and bonus. These symbols can replace other symbols, award free spins, or trigger a bonus round. Because of the high number of lines, the chances of winning are higher too. However, since you bet per line and not per spin, they can be more costly to play. The amount of the prizes is high, but payment frequency is low compared to the fruit machines.

3D Slots

These are actually video slots, but they have very advanced graphics – hence the name. For the same reason, you often need a desktop PC to play. Because mobile devices do not have the necessary hardware power to run these games.

Progressive Slots

The most distinctive feature of this category is that the prize amounts are not fixed. With every game played, money accumulates in a prize pool. Sometimes it reaches millions of dollars. So, until one player wins, the grand prize continues to increase. This is an attractive feature, but the chances of winning in progressive jackpots are very low. For this reason, they are not preferred by experienced players. In fact, the only thing you do most of the time is to feed the pool. We can also say that they are a high-cost option because they can only be played with the maximum bet amount.

To understand which category is right for you, we recommend you try all of them. Video slots are a good choice for most players, but there is an option available for every liking.

Slots Software and Platform

Slot machines are actually quite complex. When the “Spin” button is pressed, more than one system starts to work. An RNG software generates a random number, some other decide which bonus round will be activated, and all these data are stored in a database. When you win, another software is providing the infrastructure required for payment transactions. Programs that offer all of these operations together are called “delivery platforms”. These platforms can host hundreds of games and process thousands of different operations at the same time.

Although there are a number of platforms in the industry, the ones developed by IGT and Microgaming are the best. For example, Microgaming’s QucikFire platform has about 600 games and offers sports betting too. Playtech’s platform includes a progressive jackpot pool covering all the games that are included in the system. The platform used also affects the quality and features of the games.

Slots Odds, Winning, Payouts

An RNG (random number generator) decides whether you can win or not in slot games. Each symbol has a numerical counterpart, and if the numbers generated by the RNG software match those, a “win” message appears on the screen. In other words, you cannot use any tactic or strategy – winning is based entirely on luck. However, you can detect slots that you will lose less and win more often. Just pay attention to the RTP rate to do this: This rate shows how much of your investment will return in the long run. For example, if the RTP rate is 97%, this means you can recover $97 of every $100 you invest because the payment frequency will be much higher. As a general rule, games with 95% or better RTP rate should be preferred. You can see these rates on the pay table screens.

Play for Free or Real Money!

One of the best features of these games is that they can be played for free. Each slot has two versions, “free” and “real money”. There is no difference between these versions in terms of the rules and the chance of winning. You are playing the same game, literally. Moreover, unlike demo versions, there are no time limits or feature restrictions. You can use free versions for casual gambling as long as you like and have fun.

When you decide to play with real money, it’s easy to make this switch. Even without stopping the game, you can make the transition to the real money play. Of course, you need to find a reliable and prestigious online casino for this job. By using our website, you can find the best online casinos and be informed about the most advantageous bonus campaigns organized. Our professional team reviews another casino for you every day. Do not forget to visit us often, our content is regularly updated!