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A short gambling history lesson

Many, many years ago the Chinese played number games, which quickly became very popular. The profits from these games were so enormous that they were used to finance wars and the Great Wall of China! “Yes, taxes were also available at that time”. From these games the Keno and the lottery, which are popular today, developed. The Romans bet on gladiator fights and other events in the Colosseum. The medicine men in ancient Egypt threw sticks and stones in the air and bets were placed on even and odd numbers when you landed on the ground. Gambling has accompanied mankind from its beginnings!

The birth of the slot machine in the casino

Gambling has been a part of human history for thousands of

years. But it took a long time until the first casino was built. Where is the beginning? The oldest casino in the world is the “Casino di Venezia” in Venice (Italy), which opened its doors in 1638 and is still in business and has started the triumphal procession of casinos. In the early 20th century, the railroad network of the USA was expanded, connecting the east and west coast and various cities such as Las Vegas, LA, San Francisco and Salt Lake City. Soon after, Las Vegas established itself as the gambling destination of the US Casinos shot up whether people liked it or not (and many did not), resulting in a 21-year Nevada gambling ban (until 1931).

How did it go on?

Since then, casinos have flourished worldwide. Most major cities and vacation destinations have one in their entertainment offerings. But today, you don’t have to get dressed up to go to a casino anymore. We now have online casinos where you can do just about anything, just like in a classic casino. Simply and comfortably from home! Everything is just a few clicks away; including slot machines like: slot games, baccarat and blackjack, as well as live dealers for games like roulette and sports betting.

Play With Confidence

We want you to feel 100% safe and comfortable with us. We are a reliable and safe online casino. Online Free Slots Room is a regulated, reputable and responsible partner of online gambling providers, dedicated to the highest industry standards. ™ is committed to the highest standards of integrity. To ensure fair and honest gaming, every game on our site has been independently and thoroughly tested. Read about us what we are ↯ ↯

Welcome to ™

Our website where we report everything about the digital slot games online gaming world. We are pioneers in online slots gaming, from the very first day the first internet game was written, we have been there. If we wrote everything for the last 30 years, our website online slots room would not be enough, we think! That was just a fun because we want to have fun when we want to play, right?!

Why we have made such an information website you might ask yourselves? There are 1 thousand Free Slots pages!  Answer to these two questions is very simple, we know that in the last 10 or 15 years there has been a rapid development in the gaming world. We want to be a compass for the global online casino as well as for the entire mobile gambling world, with human values and human wisdom! Our wish is for you the best online slots & casino providers to sort out exactly who is transparent good, who belongs to the black sheep on the online market.

Look our Recommended Best Online Slots Room Games!

The empathy with the online players who love to win, the best graphic games want.  We have provided for you on our free player website. Take a look at our ™, Where do we report? What types of slots games are available on the online market. What is the slot games? What can be your favorite slots games? What lines or “reels” is your favorite slots game.  All your questions you can find on our information page.

Slots Room Games

Free slot games are easy to play in the slots room and it’s really fun. There are many different game developers, each with some unique features. The main functionality of online video slots is the same for everyone – the player wagers an amount and tries to find a profitable configuration of game symbols in the game.

How to play online slot games

Each slot games has multiple paylines or possible winning combinations. In payline video slot games, the player generally tries to align identical symbols and wild symbols along certain predefined payment lines. Typically, such combinations must start along a payline on the outer left reel. However, there are some games in which a player can win from either direction or even anywhere along such a payline.

Some games make the paylines disappear from the field. These titles generally assume that there are matching symbols on connected reels, starting with the reel on the far left. While these games usually contain a large number of possible winning combinations, sometimes even thousands, they generally also contain a larger number of different types of symbols, making winning combinations less common, although there are more ways to win.

The player starts placing his bet. This bet is generally the multiplier that results from the number of paylines x the coin amount. For example, if a player bets $ 0.01 per round on a total of 25 lines, he bets $ 5.00 per round. Betting on the maximum number of lines not only increases the stake, it also increases the chances of winning exponentially.

As mentioned earlier, the main goal of most video online slot games is to get the same symbols along paylines or connected reels. Most online slots room, especially newer titles, also offer additional bonus games. These additional features generally take the form of some kind of free spins bonus, but increasingly sophisticated variations of bonus games are also offered. Pick-a-prize features, in which the player selects from a number of objects, hoping to avoid a particular symbol as it ends the feature, are becoming increasingly popular and offer variety, as free spins tend to change the look and functionality of the game Mimic the main game.

While some games can randomly trigger a bonus, most games require a certain arrangement of symbols to make them appear on the reels after a single spin. This usually works in the form of scatter or bonus symbols, which usually have to match at least 3 in order to trigger additional bonus rounds.

Some developers offer a risk option. This is a feature that is available for any win without a large jackpot. With the risk option, the player has the option of wagering each win by multiplying it. Typically, the risk option is a type of card game in which the user has to choose the color of an uninverted card to double the win. For example, Microgaming, Playtech or Play’n Go has an option in which the player can choose the right playing card color and the player receives a 4-fold multiplier for his win if he guesses it correctly.

Online slot games variants

Even though there are many different types of slot games in the online slots room, we will focus on the most important ones below – standard video slots, classic slots, grid-based slots and online slot games with an expanded playing field.

Classic Slot Games

Classic slot games are online slot machines that are similar to their conventional, mechanical counterparts and strongly imitate them. Classic slot machines are usually 3-reel slot games and often contain classic slot machine symbols such as fruit and a BAR symbol. Classic slots games generally have a lower maximum bet and higher volatility, which means that they are hit less frequently than modern slots. In summary, classic games follow the mantra of low risk, low prices ”.

Although a few classic slots room combine the old and the new and also include a bonus game, these extra functions are usually not available with them and the game focuses almost exclusively on the original 3-reel gameplay. These games may or may not contain wild symbols, unlike modern video slot games where wild symbols, even several types of wild symbols, are found on the reels.

Grid Based

Recently, another type of online slot games has become more popular, grid play. Without the usual reels, these games would not imitate conventional machines. Instead, they stand for a completely new kind of video online slots room. In these grid-based games, the game symbols usually fall cascading down from above. In most of these titles, winning combinations are removed from the field and new game symbols drop from above to fill these gaps. You then receive free spins that continue until there is no winning combination in a free spin.

However, cascading symbols are not the only way that game symbols can be displayed in the game area. Finn and the Swirly Spin is an example of a grid-based game in which the normal symbol drop has been revised and the symbols are instead displayed in a spiral shape on the playing field. In this game, not only the arrangement of the symbols is different, the other slot functions also differ. In this title, for example, wild symbols are generated after a winning combination, instead of appearing as another symbol in a series of symbols.

Expanding playing field

Online slots room games with a spreading playing field are increasingly being developed by our gaming partners. These types of online slots games usually follow the same mechanics: a player makes a winning combination on the reels or lines and the game area is expanded by an additional reel / column or line. This expansion of the playing area opens up more possible combinations by increasing the number of paylines. In some titles, players will be offered over 100,000 ways to win once the game area is fully expanded. As with most titles with so many possible paylines, the number of symbols increases, which makes winning combinations more difficult. But if you hit them, they are often more valuable wins.

Special features

Special features of best online slots room games are those that are outside of normal gameplay. The most common types of special features are free spins, respins and bonus games.

Free spins

Free spins are the most common feature in almost free slot games. Free spins are usually triggered when 3 or more special symbols – usually a scatter symbol – land on the reels. In some games, however, these can also be triggered randomly.

Most slot games give a fixed number of free spins. However, some titles have a pick-an-object function, in which the player selects one from a number of objects and then reveals the number of free spins and often a multiplier.

Depending on the game, free spins can be won. As already mentioned, free spin functions can also contain multipliers. These multipliers will either be set before the start of the round, randomly won through the selection of an object, or the multipliers will increase progressively throughout the game by meeting certain criteria, such as successive wins, or by collecting certain symbols.


Another popular specialty is the Respin. Depending on the game, such a respin can occur at different intervals, but is generally triggered by a winning combination on the field. Online slot games with a respin feature usually allow an unlimited number of respins as long as winning combinations continue to be made on the field. There are also games with a fixed number of respins that are activated when certain events occur in a game. However, these are less common.

Bonus Online Slots Room Games

After all, the best online slots games often have additional bonus game features, especially in the games that have been released in recent years. The variety of bonus games cannot be summarized in a single description, but they can generally be classified as additional game features that are not free spins. Most bonus game titles contain only one, but there are games where multiple bonus games are available.

Online Slot Games & Online Casino

The more modern video slots come up with more and more exciting functions and exciting animations. Nevertheless, there are many lovers of traditional slot machines, even if they have few paylines and no bonuses. On the other hand, these slot machines often have jackpots that are worth cracking.

Online casino games or online slot games machines in contrast, usually have at least one casino bonus game, the Respins. The online slot machines or classic slots usually also have jackpots.

More sophisticated mechanics and bonus slot games can be found in modern online slots. These games often have a larger playing field and countless betting lines. Free spins are very common in these online slots and many also include another bonus game or features like cluster wins. Flexibility is really one of the biggest advantages of online slot games.

Online Slot Games Machines Are Safe

A frequently asked question is: “ Are online slots in the slot room safe? ”. The simple answer is “yes” but here is some information about it.

First of all, and every game that we offer for free has been tested and licensed by the relevant gaming authority. is a free portal for online gambling. All online gaming providers are advised, supervised and licensed by Malta Gaming Authority, a regulatory authority within the European Union. The MGA supervises, checks and acts as the competent authority for all online casino providers that are listed.

The MGA also requires that all titles have a minimum RTP or return-to-player. This minimum RTP, in the case of the MGA, is 92% and ensures that the player is reimbursed on average a minimum of $ 0.92 for every $ 1 wagered. In reality, only a few titles have RTPs around 92%, most are in the range of 95% to 97%.

So you can be sure that your money is safe with all providers that we have listed. The website and payments are encrypted using the same SSL technology used by the world’s largest financial institutions. In addition, the regulations stipulate that player and company funds must be kept in separate accounts, which means that all player funds are separate from a casino’s internal finances. Your funds are kept safe and can be withdrawn 24 hours a day, 7 days a week.

History of slot games machines

The first mechanical video slots were developed in the United States at the end of the 19th century. Based on poker games, these mechanical slots first appeared in New York City in 1891, then not in casinos but in bars. At that time, these machines did not pay any cash prizes. Instead, a winning combination was displayed to the bartender, who gave the player a free beer or cigar. The first versions of these mechanical slot machines were more of a novelty to entertain customers in pubs than part of a real gaming industry.

Around the same time, a Charles Fey from San Francisco, California invented a simple five-symbol machine when he realized that slot machines had the potential to be a profitable business. This is still known today. With horseshoes, diamonds, spades, hearts and a bell, Fey’s machine, the Liberty Bell, was an instant success and laid the foundation for an entire industry of mechanical gaming machines. Although Fey’s home state of California banned gambling shortly after his invention, mechanical slot machines were now appearing all over the United States. One reason for the rapid spread of mechanical slot machines was the fact that Charles Fey had not received a patent for his device, which allowed others to copy his design, thereby promoting the proliferation of mechanical slot machines in the United States.

At the beginning of the 20th century, many states panicked due to the rapid spread of mechanical gaming machines and passed strict laws against gambling. To get around this law, early machines, groceries and sweets started giving away to avoid legal problems. Liberalization after World War II legalized and regulated gambling in a handful of U.S. states. Post-war machines therefore now also issue coins or tokens that can be exchanged for cash.

The first electromechanical slot machine was introduced in 1963. This machine used electronic actuators to control the movement of the mechanical coils. Despite the use of mechanical reels, this device was a further development of slot machine technology and brought the side lever as a novelty. The first fully electronic slot machine was developed in the mid 1970 s with a Sony television. These fully electronic machines were immediately successful and were very popular with the public. There was a further development step in 1996 with the advent of second screen games, namely bonus functions that led players away from the main playing field in order to be able to use these additional features.

The first online casinos also came onto the market in the mid 1990´s. Between 1996 and 2008, online gambling was introduced in most countries. As this industry grew, governments issued regulatory laws and regulations to ensure fair operations and secure transactions. In 1998, global online gaming sales were less than $ 1 billion. Twenty-five years later, recent online gambling growth estimates assume the market will reach over 145 billion by 2025. That comes through because the mobile system wobbles very quickly. Everyone has a smartphone today so they can access their mobile online casino anywhere. Play its most popular free slot games.

Which game developers are there at Slot room?

In the constantly growing games library of the online casino you can find games from Microgaming, Playtech, BetConstruct, SG Digital, Hacksaw Gaming, Swintt, Nolimit City, NetEnt, Red Tiger Gaming, Thunderkick, ELK Studios, Evolution, Pragmatic Play, Booming Games, Push Gaming , Play ‘n Go, Yggdrasil and Oryx, Slotland Entertainment, Vivo Gaming, Real Time Gaming, Rival Gaming, BetSoft, iSoftBet, BBIN, PLAYSON, Yggdrasil, Wager Gaming Technology. If a new online slots provider comes, we add it after our check.

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