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What will you find at Casino Robots?
Free Casino GamesNo download, no registration, no installation
Free SlotsA huge selection of free casino slot machines
Software ProvidersNetEnt, Playtech, Novomatic, Microgaming, IGT, BetSoft, RTG, Play’N Go, Evolution Gaming
Other Free Casino GamesPoker, roulette, blackjack, baccarat, bingo, keno
Mobile FriendlyPlay on any mobile devices (smartphones)
Casino BonusesUp to $5867

At Casino Robots, you can enjoy hundreds of free casino entertainment activities, slots, and numerous gambling games distributed throughout the online casinos. We want to encourage you to have fun and engage in some of your favorite casino games - free of any charges, without the need to register, download, save, or install anything on your device. Because it all happens online - you can play anytime, anywhere, without restrictions - on your desktop computer or mobile device, as long as you have reliable internet access.

We care about the quality rather than the quantity, and for that reason, you won't find thousands of slot games around here - only the most successful ones that most users are genuinely interested in. Whichever slot you choose to play, you should know that it has been individually selected among thousands of other slots. At Casino Robots, you will find only the best and most popular casino games, and by doing so, you will be able to enjoy a supreme kind of entertainment.

All casino games can be engaged entirely free of charge and without restrictions regarding your device since all of our games have a cutting-edge responsive design. They are built with the latest HTML5 technology, which, unlike Flash games, allows them to run on virtually all mobile devices, whether Android, iOS (iPhone), or tablets, including iPads. And, of course, you can enjoy all of our picks from all desktop devices and laptops regardless of their operating system (Windows, macOS, and Linux) or browsers such as Google Chrome, Mozilla Firefox, Opera, Internet Explorer, Microsoft Edge, and others.

At Casino Robots, you can play all types of casino games online, for free - without registering, downloading, signing up, or installing anything.

Free Slot Games - Overview

Nowadays, many online slot game enthusiasts have the chance to experience a variety of products from the best casino software companies. The best part about it is that you can try your luck on the slots for free after browsing the offers here on the Casino Robots website, which is available for you 24/7.

Those of you who'd fancy trying their luck on the slot machines while playing for real money, must register and deposit in the electronic casinos, which we also have described thoroughly on our website. Keep in mind that you need to be 18+ to make real bets and enroll in online gambling. That being said, let's dig a bit deeper into the world of slots as we know it today, and get you acquainted with the opportunities it offers.

How to play free slots online?

Playing free slot games is no longer a taboo for the vast majority of internet surfers. Literally, hundreds of thousands of websites are currently offering the so-called free slots to their visitors. We at Casino Robots make no exception, and we have implemented the coolest types of machines on our website. Playing them is not complicated at all - users are expected to pick a game, customize their bet (virtual or real), and then spin the reels.

When playing a demo version of a slot game, you don't have to invest any actual money - you only play for fun. The goal is to get to know the game you've selected and estimate your chances of success if you decide to bet money at any of the popular online casinos - Bet365, Bwin, PokerStars, etc. What's more - there are no age restrictions for players who choose to play free slots. Age requirements apply solely to bets on which actual money is being invested. To engage in them, you'll need to have reached the age of 18 years.

Keep in mind that the layout of the slot games does not differ between the demo versions and the paid versions. In both cases, you will operate on a screen with a variety of options. You'll see a box that displays the balance available on your account or, in other words, the funds you can bet with. A set of additional buttons will help you manage your bet, set the drum rotation options, choose an autoplay option, examine further details, and more.

To find out the monetary value of different symbol combinations for a particular game, you'll need to find the help button. In most cases, it is represented by the letter "i." Upon clicking it, a new window will open, which will provide comprehensive information about each winning line, the value of wild and/or scatter symbols, the extra bonuses, and more.

Why play free slot games at Casino Robots?

Our team has tried to gather the most exciting and popular online slot demos that many online casino entertainment enthusiasts are looking to experience. We bring to your attention a large assortment of games that guarantee the thrill and adrenaline you're looking for. All of them are products of the world's top casino software developers. Many of the free games we offer are also introduced on different betting sites. Thus you can decide whether to play for free or try your luck with their paid versions.

And, since we are eager to explain the benefits of our free slots, we'll give you several good reasons to accept them and engage in a gambling adventure on the internet without having to be an adult or to bet real money. And here is what we mean precisely:

  • Deposit-free slots - with us, you can explore a variety of super-cool slot machines without making deposits, and without placing any cash bets. Our picks will let you dive into the slot machine world and get to know it absolutely free of charge.
  • There's no need to save the games on your hard drive - whether you play demo slots on your computer or your smartphone, you won't have to fill up the hard drive memory of your device, as you will have online access to each of the titles. The only requirement is to have a free Flash Player installed, which can be downloaded from the company's official website. You will find it by using any significant search engine.
  • No ads and no website links - the slots on our website are free; they have no banner ads, no registration requirements, no fund depositing requirements, and so on. You just need to pick a game from our catalog and start playing with a single click.
  • No email spam or subscription requirements - if you ever hit other websites that offer demo gaming machines, you have inevitably faced their requirements for entering an email address and making a subscription. There are no such terms here at Casino Robots. You can just play without having to do such things.
  • No sign-ups and pop-ups - you must be so fed up with being asked to sign up to play slot games. Not to mention those annoying pop-ups that contain ads, frustrate you, and distract you from your game. If you choose to trust our website, you will not face such obstacles.

How to choose a slot game on our website?

There are several factors to consider when picking a slot game. If you prefer to try the demo versions, making a choice between options is not a crucially important endeavor. Yet, when it comes to paid slots with real money, it's a good idea to accommodate a bit of extra knowledge about this type of gambling and pay attention to the following:

  • Volatility - this is the factor that defines the betting risk when it comes to slot games. Sooner or later, you will start noticing that some virtual machines in online casinos deliver more regular profits, unlike others, which take longer to produce some cash rewards. Higher volatility indicators suggest more reduced chances of a win. Still, if you happen to be lucky, you will enjoy a more significant amount in your account. As for slots with low volatility - they contribute with regular wins, but smaller amounts of money. That's why it is always a good idea to get acquainted with the different offers among online casinos.
  • Free spins - bookmaker websites and online casinos give out exclusive bonuses that provide the opportunity of getting free spins for a specific slot machine or several different games. Free spins allow you to win a certain amount without having to deposit money and without spending any cash. You can find the term "Free spins," which represents these offers on many international websites. In addition to the bonuses which are regularly announced by the gambling organizations, you can also get free spins while playing your favorite slot.
  • Bonus games - in addition to the free spins mentioned above, you can also get a number of other rewards when playing slots online. Many of the games developed by renowned casino providers will propose additional rounds to improve your chances of making money. For example, you can open inverted cards and look for matches, as well as take advantage of unique offers to double and triple the profits for certain winning lines.
  • High payout slots (RTP) - do not let the shiny appearance of some widely advertised slot games deceive you. If you want to be productive and improve your chances of winning, you need to look for slots under the RTP (Return to Player) factor or, in other words, keep an eye on the return rate of the slot machine you're about to play. Consider the volatility of the game, the potential wins, and the position of the game in the online casino. To examine the RTP percentage, you can read the online reviews for a particular game, as well as focus on slots that are less popular and not very aggressively advertised.

What kinds of slot games can you find on the Internet?

Many of you must have visited conventional offline casinos and have played on different gambling machines. They can identify the types of games and understand their principles. Anyway, if for one reason or another, gambling has become your hobby very recently and you are just getting started in the world of slots, you can learn more about the different types of slots below:

  • Slots with different fruits - the first slot machines to ever emerge in the casinos required players to form a winning line of fruit images. Nowadays, fruit slots have migrated online, and anyone can spin one - both paid and free. The winning combinations are made up of icons depicting apples, grapes, bananas, oranges, watermelon, and other yummy fruits. The "BAR" image is considered to be a scatter symbol that brings the highest financial rewards.
  • Progressive jackpot slot games - the progressive jackpot is built upon the cumulative losses of players who bet on a particular slot. With each passing day, the amount keeps on growing until one of the bettors manages to seize it. The progressively accumulating jackpot of some slots can reach six-figure amounts. To win the prize, a player should meet the requirements for playing for a certain amount and have matching winning symbols, including scatter and wild symbols.
  • Jackpot machines - these are games with an in-house provided jackpot, which one or more players can win. In case of several winning players, the amount is evenly distributed, unless something else is strictly declared in the rules. The value of the jackpot is determined by the gambling company - it may be $1000 but may also be $100 000 000.
  • Classic slots - these are the games you have played in the traditional casinos over the years. They are products, vastly popular among slot machine enthusiasts passionate about fruits, movies, fantasy, cartoon characters, etc. Classic slots will never go out of style, as people are very used to it.
  • 3D slot games - three-dimensional machines are a real game-changer these days since they couple conventional gameplay techniques with excellent 3D graphics that can take you to a different reality. The unique visual effects accompanied by high-quality stereo sound can fascinate even the pickiest casino game players;
  • Video slots - these games employ video footage and unique images that will significantly enhance the thrill of the spinning. Video slots cannot be seen in every random offline casino. They are administered by a limited number of providers and are a priority of electronic casinos and betting websites. Fortunately, you can also try some free video slots online, just to get acquainted with the quality they offer.
  • Mobile slots - these slot machines are specially developed for your mobile device and only require an internet connection. Put shortly, they are designed to match the specifics of your smartphone or tablet and run on the most widespread operating systems - Android, Windows, and iOS.
  • Themed slot machines - once you visit a website that offers the possibility of playing free or paid slot machines, you will also gain access to different, themed slot genres. For example, you'll be able to choose between fruit games or cartoon games. The genres are varied, so you can pick the one that seems the most appealing to you. Let your appreciations guide you - there are no wrong choices here.

Bonuses available in the different slot games

In addition to slot bonuses given out in virtual casinos, you can also be offered internal deals for particular games, supplied by renowned slot providers on the web. In this case, the game itself includes bonus rounds that will allow you to double or triple your profits or win additional spin-offs, which you won't need to bet for. These kinds of slot bonuses are also available within free slot games - still, the player receives only virtual points, instead of real cash rewards. The offers can be very different.

In order to supply you with another piece of valuable information, we will now explain the meaning of the most popular internal bonuses in different slot games. They are not huge in number, yet getting them can deliver high profits to the player. Let's not waste time, but peek into the kitchen of bonus offers in the slot games themselves:

  • Sticky Wilds - sticky wild symbols linger on the reel for a slightly more extended period. So, you get the opportunity to double your winnings or take advantage of different additional extras if you happen to make a winning line. The so-called Sticky Wilds appear regularly during free slot games. They are also implemented in some paid casino versions, but they appear there rather infrequently. The sticky wild symbols in the slots usually come in couples.
  • Stacked Wilds - in some games, consecutive wild symbols might appear in each of the reels. By combining these symbols with the bonus games, you can get extra rounds and additional free spins, which will significantly improve your chances of winning some satisfying cash rewards.
  • Multipliers - as the name itself suggests, multipliers are unique features found in slot machines that are meant to multiply your winnings by a predetermined number. Although extremely common, they are not a part of every slot game.
  • Click and pick - this is another bonus opportunity in virtual slots that you need to be familiar with. It will give you an additional bonus round, in which you will click on different objects. Opening the boxes and matching numbers, colors, cards or others, will increase your profits or provide you with a free spin.
  • Nudge and hold - this feature is relatively seldom found in slot games, but it is still in operation. It is also offered as a bonus for some slot games. The idea is that you can nudge and hold certain symbols while the reels keep spinning. By holding a cherry, an orange, a bar symbol, or another symbol, you will boost your chances of getting the most out of the game and earning a significant amount of money.
  • Random Wilds - randomly emerging wild symbols are part of the bonuses you get when playing slot machines on the Internet. These symbols have the potential to multiply profits as well as contribute to various additional benefits. All the money you made in the slot game you chose will increase if a random wild symbol appears on the screen. It can also be coupled with the multipliers mentioned above to intensify the thrill of the game.

Why do free slot games require no registration and downloading?

The free slots in Casino Robots require neither registering a user profile on the website, nor downloading the game on a computer or mobile device. Data verification is also not needed for playing. Our slots are convenient and accessible at all times, from any point around the world. To start playing, you simply need to pick a title from our catalog and click on it. From this moment on, you will be able to play without experiencing any difficulties. And, even though these are demo versions, you will be able to receive all kinds of bonuses, offers, extra levels, scatter and wild symbols, etc.

By playing free slots, you will get adapted to these types of casino games. The adults among you will also be able to experience the excitement of paid casinos where success pays off for real. However, there are a number of conditions you'll have to comply with in paid casinos. To remain free of any obligations, choose our free slots, and you will not be disappointed, as none of the games offered here is bound with specific account registrations, deposits, verifications, withdrawals, and other terms.

Free slot game providers

Nowadays, many software companies that develop casino games, and slots, in particular, provide free demo options in which users can get introduced to each of their products. We will give you a piece of brief information about the top free slot providers in the list below, while also mentioning some of their most popular bestsellers:

  • NetEnt - this is one of the most influential digital companies that pack online casinos with games. There is essentially not a single big e-casino that doesn't offer products designed by this provider. NetEnt's most popular slot machines are Hall of Gods, Starburst, Gonzo's Quest, and Fruit Spin.
  • Playtech - Playtech slot games are generally well-known among the online casino community. The products of this developer are fascinating to the users with unique graphics, multiple bonuses, and cash prizes. The company's massive game catalog includes Gladiator, Beach Life, Monty Python's Spamalot slots and other masterpieces.
  • Microgaming - this online casino gaming company emerged back in 1994 and remained one of the market leaders in the niche up until this very day. The experience of the provider brought to existence a number of unique slots such as Chain Mail, Star Dust, Hitman, and hundreds of other cool titles.
  • Play 'n' Go - this gambling and slot machines provider has been known since the mid-1990s when it emerged and produced a genuine excitement among casino fans. Today, the renowned company maintains its productivity and keeps on generating some of the best slots in the world. Their bestsellers include the Aztec Princess, the Fire Joker, and the Book of Dead. Still, a whole bunch of exceptional slot devices is also available in their catalog.
  • IGT - the company (International Game Technology) is one of the most experienced developers of entertainment software for the casino industry. The company has more than 400 online slots in its portfolio, the most popular of which are Da Vinci's Diamonds, Pharaoh's Fortune, Elivs, and Monopoly dream life. The company's latest products are also not to be underestimated.
  • iSoftBet - this is yet another slot provider that justifies its recognition among hardcore gamers. The company designs innovative video slot games, 3D slots, and jackpot games. Their top games include Diamond Wild, Hot Shots, Booster, Happy Birds, and Heavy Metal Warriors.

How playing free slots will help you profit?

Assuming you have never played slots until now, but you are eager to try, then the free slots have been designed especially for you. They will let you choose any popular game title and try it without having to invest real money. Of course, when it comes to free slots, you can't expect to make any actual profits because these are merely demos of the games themselves. Their aim is to simply provide the player with the opportunity to learn how to play and win.

By practicing and gaining experience on the demo slots, you can prepare for real paid slots. You will learn the value of the lines, understand how bonuses are received, what scatter and wild symbols are. Little by little, you will get familiarized with all the options we described earlier in this slot overview. As time passes, you will start becoming an increasingly skilled player.

Another good news is that you will have the chance to find out if these types of casino games are working out fine for you. Not everyone goes along well with the slots, so if you are one of those people, then you can play a free game, test your skills, and decide not to engage with actual bets. The other option is to conclude that you are lucky enough to join one of the licensed online casinos and start making considerable amounts of money.

Is it possible to play free slots and make money?

Yes, it is possible. Just take a look at the Casino Robots' offers, where you will find super bonuses - they will let you activate deposit-free slot games and make money. To do so, we advise you to read the information about each offer thoroughly, get acquainted with it, and understand the principles of the game - for example, what are the requirements for playing free slots for money, and other details. To stimulate this process further, we have taken the time to build an attractive slots section among our pages for you to have fun and even win some cash. Stay tuned - we promise you won't regret it.

Where to play slots with real money?

If you want to play paid slots and bet real money, you must be 18 years old or older. We advise you to trust only the tested and certified online casinos that we have recommended here on our website. We have investigated and analyzed a number of real money slot game proposals to grow an exclusive list of licensed companies and websites that offer slots of all genres.

In addition, we have ranked the casinos according to their customers' feedback, the variety of games they offer, their official gambling license, and other vital criteria. The most significant part of the brands that grant access to online casinos covers Bet365, Bwin, PokerStars, and many more. Still, we present the services of several additional operators, which are just as engaging and attractive.

New online slots

The gaming industry is ever-expanding, and we are here to present the freshest titles that keep on appearing every month. There are hundreds of new and original slot games you can enjoy, and make money with, if you wish. Developers are striving to satisfy the tastes of all customers by providing classic slots along with innovative 3D or video slots, slots with massive jackpots, and so on.

We are eagerly listing the most innovative games on the market as we enable you to play free slot games without making a deposit. We have also made a list of the best casinos where you can find the latest products of the top slot producing companies worldwide. We want to be as useful to you as possible, and we continually do our best to explain the world of gambling in a more objective and widely accessible manner.

Play slots on every device

Slot games are nowadays available not only for desktop computers and laptops but also for iPhones, tablets, and smartphones. You just have to be connected to the Internet and own a mobile device that runs on Android (for Google devices) or iOS (for Apple devices). All major games distributed by the influential providers in the niche are optimized for mobile and will perfectly match your display, regardless of its size. This is a feature that enables you to play smoothly, without any trouble. Note that you can play both free and paid slots.

Design, graphics and audio effects in slot games

Different players have different criteria when it comes to the graphics and the sound design of their favorite online slots. Some favor the classic slot designs with fruits and various simplistic symbols. Others prefer to get a better user experience by spinning more realistic and advanced 3D slots or video slots.

Fortunately, major casino gaming software providers try to offer a little something for everyone. For lovers of the classics, there are a number of ordinary-looking games, with no sophisticated features and futuristic graphics. However, if you are into innovation, you will find a bunch of genuinely fabulous games with movie characters, mythical creatures, fantastic scenarios, and more.

Standard fruit slots produce simplistic sound effects, such as a reel-spinning noise, congratulatory sounds for a winning line, and light background music. However, there are games with rather impressive sound effects, such as conversations between characters in the game, screaming witches, flying creatures, and more. The music implemented in modern slot games is also at a professional level. It will encourage you to feel the particular atmosphere of every separate game.

The popularity of slot games around the world

Playing slot games is widely popularized all around the globe. Today, anyone can engage in a slot game on a desktop computer or a mobile device, as long as they have internet access. We are now going to make a list of the countries in which the so-called slot machines are currently enjoying the greatest popularity.

The USA - The United States of America is generally considered the birthplace of slots, as the first slot machine was invented in America back in 1891. An interesting fact is that some states had banned paid slots until 2013. Still, this restriction has nowadays been lifted, and slots are quite popular among many online casino players. In general, studies and statistics point out that the popularity of slots in the US is among the largest globally.

Australia - Australian slots are the next most popular in the world, after these in the USA. Australia began manufacturing slot machines as early as the 1950s. They are no different than those in the US, yet they have different names, such as Pokey or Master Club. Nowadays, Australians play slot games freely - not only in traditional casinos but also on the Internet. The titles they fancy cover a broad spectrum - from classic to fantastic.

United Kingdom - The UK is also a part of the rich and exciting history of slots. The country is among the originators of fruit slots that can be found in many different places, such as bars, pubs, gambling rooms, or online casinos. Expert analyzes show that British people fancy slots and engage with them on a massive scale.

Japan - this country also joins the ones mentioned above in terms of slot popularity. In Japan, slot machines are called Pachislo Slots and provide a broad assortment of games. The country is packed with avid slot fans, with the number of machines and seats available growing every next month. That's unquestionably an excellent place for casino customers to indulge in their favorite hobby - playing slots.

Singapore - just like many other Asian countries, Singapore has some underlined tendencies when it comes to gambling. Interestingly enough, there are only two licensed casinos in Singapore, which makes people turn to online slots and enroll in various online casinos around the world. Laws in this part of the world prohibit paid online gambling. Yet, citizens still find a way to get to the paid slots on the Internet and make significant profits.

History of casino games

Casino games are, without any doubt, one of the most prevalent pastimes for adults nowadays. There is hardly a person who has not, at least once in their lifetime, not tried and savored a common casino game such as poker, blackjack, roulette, slots, baccarat, keno, bingo, dice gambling, games with balls, or other similar table and card games. We have all heard stories about the glistening Las Vegas, which has become the world's gambling capital, and a vast number of people have actually seen it with their own eyes. In Vegas, you can find thousands of casinos and experience thousands of games. So, let's go back in time and find out how precisely the history of casino games and the gambling industry, in general, did evolve.

The earliest records of organized betting, which are the prototype of modern gambling, date back to 2300 BC in Ancient China, where game tiles were discovered that are believed to have been used for betting and luck games. Other early evidence for such games is dice found in ancient Egypt that is said to date back to 1500 BC. We cannot be sure about the precise period in which gambling and betting originated and subsequently evolved, but one thing is indisputable - they have a thousand-year history.

Evolution has undoubtedly affected the gaming industry also. It went through tiles, dice, and bets until it resulted in the opening of the world's very first casino - Casino di Venezia located in Venice, Italy. It opened its doors in the distant 1638 and caused a tremendous furor since its launching harmonized with the annual carnival held in the city. However, in 1774 it closed its doors because the local government believed that the population underwent financial damage after engaging in too many gambling activities.

Prior to its opening, several illegal bets were made local authorities could not regulate that. But after the opening of the world's first casino, strict rules and measures started being formulated to govern the entire gaming industry.

All this gave a turbulent start to the expansion of the whole gambling industry in continental Europe during the 18th and 19th centuries. Mass construction of casino halls began in Baden-Baden and Wiesbaden in Germany, as well as in the legendary Monte Carlo in Monaco. Casinos then began to look more like castles than conventional gambling halls, and the competition for drawing the wealthiest gamblers became fierce.

The situation on the other side of the ocean was much simpler until the creation of Las Vegas took place. Bets were before that placed mainly in old-fashioned bars, which were not a friendly place for beginners and inexperienced players.

Most games have mathematically defined odds, ensuring that the casino always has an advantage over the players, but that doesn't mean you can't potentially win.

When talking about casinos, we can't help but think of the gambling mecca - Las Vegas. This metropolitan draws millions of visitors every year, offering them the widest variety of casino games, slots, and all other kinds of gambling entertainment. Millions of people try their luck at thousands of gaming machines, roulettes, and live gaming tables. The question is: How did the desert in Nevada manage to thrive and become a leader in the global casino landscape?

It all started back in 1905. Back then, a group of railroad workers who were supposed to connect Vegas and the Pacific coast with other major cities in the region, such as Los Angeles and Salt Lake City, decided to find some way of having fun. They decided to escape their daily working routine and enjoy themselves.

Things began as a simple card game entertainment and escalated exponentially until the city was taken over by gamblers, drunks, and prostitutes. Still, the state officials quickly managed to end all the debauchery and corruption that raged in the city - authorities banned gambling in Nevada from 1910 to 1931.

Despite the strict restrictions, the government has failed to address the problem in the long run. Everywhere in bars, restaurants, and even basements, tables kept being set up, and illegal betting was still organized - that managed to cheer up the working class's daily life. All these factors provided a precondition for the development of unlawful casinos and the establishment of criminal organized groups to administer them. As a result, crime and violence increased exponentially.

Nevada's governing figures soon became aware that they cannot deal with the problem and therefore concluded that they need to legalize gambling again and regulate it, thus believing that violence and crime will decline. At that time, it had reached one of the highest levels throughout the country.

The first licensed casino opened in 1941 and was called Golden Gate. At the same time, a previously unknown complex emerged, called El Rancho Vegas, which offered visitors horseback riding, a swimming pool, dancers, and, of course, splendid casino games.

Another casino was Vegas Strips, which for the first time, offered its guests two tables for blackjack, roulette, and about 70 different slots. All these began to produce the splendor of this gambling paradise. Soon, Vegas's glory started to spread beyond the United States, marking the beginning of an unprecedented boom of tourists.

The sound blooming of Vegas began after the end of World War II when all this brilliance drew the attention of the most dangerous groups at the time - the Mafia. There are rumors that the iconic Al Capone had an intention to build a majestic casino complex in the city, but this concept was never accomplished. For many years, the Mafia did not put a hand on the privileges that Vegas offered, but at some point, there was no other option. Several gangster bosses started building casinos to launder and legalize illegally earned money because they had already noticed the boundless potential of this niche.

In the 60s, 70s, and 80s of the 20th century, an unparalleled boom and expansion occurred, with fierce competition for building the largest, most shiny, and most innovative casino to date. The aim was to attract as many tourists as possible to visit the attractive destination.

Las Vegas may be the most famous gambling city, but Macau is the city with the highest turnover and has replaced Vegas from Gambling Capital's title in recent years.

Visits from some of the most influential names in the entertainment industry helped this area grow and develop even faster. A tiny fraction of the most famous people to pay a visit were Elvis Presley, Frank Sinatra, Marilyn Monroe, and many others, who helped Vegas become an even more desirable tourist destination.

The topping on the cake, however, was when the first Mega Resort Casino opened in 1989. Its architecture was inspired by the canals of Venice and ancient Rome. It manages to attract 40 million tourists each year who have tried their luck at it.

Casino games have undergone a significant metamorphosis over the years before evolving and reaching the current state that we all know today. As you can guess, years ago, there were no gambling machines and slots - instead, it was all mainly about classic games with cards and dice. Anyway, as the scientific and technological progress came around, the first slot machines emerged on the scene. They created a turning point in the entire gambling industry and were quickly multiplied throughout all gaming halls and casinos in the world.

Casino slot machines and their evolution

The world's first betting machine was built by the New York company Sittman and Pitt in 1887. It included five reels with a total of 50 cards and was based on poker. This machine became so popular that many bars were in a hurry to get it to offer it to their visitors. On the other hand, customers could not wait to put a 5-cent coin in it, pull the bar, and turn the drums with the promise of getting a good hand. There was no opportunity for paying out the winnings immediately, and for this reason, funds were paid out at the bar - in most cases, they came in the form of free drinks or cigarettes. It was also possible to rearrange the reels to reduce the players' chances of winning, which was unethical, but many bars had this practice.

The first slot machine was created between 1887 and 1895 by a man named Charles Fey and was called "Liberty Bell." It is considered the ancestor of all modern slot machines. It had an automatic payout feature that was a revolutionary new feature for a device in these times. There was no way to calculate automatically and payout funds due to the multitude of potential combinations and winnings in poker-based machines. For this reason, "Liberty Bell" has three rotating reels and five symbols: shovels, diamonds, hearts, horseshoes, and the bell of freedom (Liberty Bell). By substituting ten cards with five symbols and using three reels instead of five reels, the complexity of calculating the winnings is significantly reduced. This enables Fey to develop an effective mechanism for an automatic payout of winnings. The combination of three bells formed the most significant gain of 50 cents. This slot produces genuine excitement. Fey did not patent his invention; thus, many gaming and the slot machine companies began reproducing and improving it to evolve into what we know today and what we can play in all casinos. Although many US states banned the use of such gaming machines in 1902, they continued to evolve and develop.

In 1907, a manufacturer from Chicago called Herbert Mills, designed a slot machine called "Operator Bell," which was the first machine with a BAR symbol.

In 1908, many bell machines emerged and could be discovered in many restaurants, bars, barbershops, bordellos, and others.

To avoid the ban, the traditional playing cards were replaced with fruits and candies: if the player hits three identical symbols, he gets what they represent. For example, if a player hits three chewing gums, he wins a packet of chewing gums. Thus, players could legally play slots. This practice of replacing cards with fruits to avoid the ban was precisely what made slots better known as fruit machines.

In 1963, the first all-electromechanical "Money Honey" slot machine was invented by the Bally company. It is the world's first slot machine with an automatic payout of up to 500 coins without outer intervention. The popularity of this slot machine gave rise to the wild expansion of electronic gambling and its evolution.

The first video slot machine was created in 1976 by Fortune Coin Co. This slot uses a modified 19-inch Sony Trinitron color display to visualize all the functions of the device. The first such machines that were assembled had a trial period at the Hilton Hotel in Las Vegas. After further refining, the machine's security, and eliminating the possibilities for fraud, this video slot machine was approved by the Nevada Gambling Commission and began operating.

After 1990, most of the slots were digitized, and some of the world's first online casinos were registered. Initially, more traditional games such as roulette, blackjack, and poker were submitted, but slots were soon added. You can find an unparalleled diversity of online slots and other casino games that you can play in conventional casinos in online casinos. In land-based gaming halls, slots are gaining more and more popularity and, over time, are displacing traditional casino games.

Casino games nowadays

Nowadays, casino games are increasingly being substituted by traditional gaming halls and online casinos. More and more players are testing their luck online and playing some of the most successful casino games. The choice is so immense that we advise you to try everything but within reasonable boundaries. No one knows exactly how many online slots there are, but it is estimated that they have already reached the limit of over 10,000 different slot games produced by all manufacturers worldwide. The variety is enormous - from slots with popular Hollywood characters to themed slots for computer games such as Counter-Strike and World of Warcraft. Everyone's taste can be satisfied, regardless of age and gender.

Types of casino games

The range of casino games is expanding every year. New and upgraded products are emerging, offering distinct features and maximum entertainment for bettors. The operations are done by legalized software, winnings are paid out instantly, and players enjoy attractive graphics and a variety of techniques for playing.

Yet, not everything is as simple as it sounds. Before you start gambling, you need to get acquainted with the most common misconceptions and read about the unpleasant consequences. For this reason, we have provided a separate article in which we will describe proven betting strategies and introduce you to the most popular products of the trusted gambling brands.

Slot games (Slot machines)

With the improvement of technology, the construction of the first more powerful computers, and the development of programming languages, today's slot games emerge. In the beginning, the most common fruits include a minimum number of lines, but over the years, the machines are modernized, and more and more innovative designs are introduced. The most notable leap for slot machines comes in the 21st century when they are transferred to the webspace. Online casinos are rising that successfully fuse the different trends - pyramids, extra lines, fruits, and multi-line.

Bettors receive engaging opportunities for winnings and bonuses that do not rely solely on combinations of symbols. Scatters give away free spins, the wild symbol substitutes for the other symbols on the screen, and some special symbols grant extra rewards for the players. Bonus features have been introduced for each game, the most popular of which is "Doubling - Black/Red." After the winning lines, bettors can increase their winnings by predicting the color of a randomly selected card. Other exciting offers are "a game within the game," prize package opening, scattered payments, etc. Each slot has built-in secondary games that are activated under a given combination. There are also quite a few bonus levels that you can discover in many different slot machines.

The most popular slots in online casinos are:

  • 40 Line Slots - Also known as extra lines, these games are distinguishable with their numerous benefits. They require higher bets, but the potential winnings after each spin and the accumulating jackpots would make you truly lucky.
  • 20 Line Slots - These are the most popular online slots. They are traditionally structured in 5 reels with three positions each, and the winning lines are paid lengthwise from left to right.
  • Pyramid Slots - Antiquity-themed slots are extensively adopted by web platforms. They are packed with ancient elements and Egyptian ornaments, and some of the offers include bonus games to discover sphinxes, gods, scarabs, and other winning symbols.
  • Mega Jack Slots - Casino Technology's high-quality slots have taken over the world's casinos. A more captivating and enjoyable design characterizes them, and the potential return to player rater varies over 96%. Mega Jack games are also known as ground slots, as they are used in many casino halls around the world.
  • Fruit Slots - The action takes place with a variety of fruit symbols - lemons, strawberries, grapes, pineapples, and others. These slots are famous for their long history, which has undergone revolutionary changes and constant modernization. The 7s are the most profitable symbols, and most of the fruits present high jackpots for the players.

The slot machines are supplemented by a table describing the winning symbols and combinations, which you will discover under the name Paytable. Also, get acquainted with the built-in bonus features by reading the corresponding review in Casino Robots or furtherly exploring the "Help" section attached to the slot.

Remember that there are no tricks and schemes for manipulating the slots that would potentially help you reach 100% RTP (Return to Player) or 100% ROI (Return on Investment). Slot games are characterized by a return to player rate below 100%, which means that you will most likely be at a loss in the long run. To avoid unpleasant bankruptcy, follow the tips and strategies below and keep reasonable financial betting management even if you are an experienced gambler.

Video poker

The computerized version of poker emerged in casinos in the 1970s. It is gradually accumulating user engagement, as players consider it safer, more fun, and more accessible. In fact, video poker games are a prototype of slots, with just a small distinction - the action takes place with cards. The main goal is to get a higher poker hand, which will reward you with a more satisfying profit.

The reason good poker players avoid this betting alternative is the limited possibility of bluffing. There is no way to manipulate the machine with special methods and techniques, as would happen against a more inexperienced player. Video poker contains a deck of 52 cards, and the hands maintain their value and power as in the regular version.

Scratch games

In recent years, lottery tickets are gaining popularity among many players. Over 60% of the Bulgarian population actively buys paper tickets for quick and easy profit. This has forced competitive online casinos to develop models of popular scratch cards, which operate virtually.

You pick the desired scratch game, buy a coupon, and erase the specified areas with a virtual coin. Typically, winnings are formed by a combination of three identical symbols or amounts as part of the games guarantee jackpots over $ 100,000. You will find related offers in the Bulgarian Efbet casino, which has announced the following three games: Dragon Scrolls, Royal Charm, and Cops and Robbers.

Bingo and keno games

Although over the years, bingo (just like the lottery) underwent dropping customer engagement, fans of this type of number games bet directly on online platforms. You purchase virtual cards with pre-filled numbers, and after starting the sphere, you find out which are the winning combinations. The numbers from 1 to 90 take part in the draw, and 15 of them are picked at random. The most successful online bingo is "Rio Bingo" - a product of PariPlay.

Keno also plays a notable role in web casinos; even in some brands, it has a more substantial presence than traditional bingo. In fact, keno games are very similar to other number game alternatives, with the differences coming from some more specific terms and paylines. In keno, 80 numbers are shuffled in a closed sphere or wheel of fortune, and the winner is determined by the quantity of numbers guessed (you can choose up to 10 numbers). The most popular game on the Internet is "Keno Universe," developed by EGT - Euro Games Technology.

Blackjack

The most popular and appreciated game among casino fans is blackjack. At first glance, its rules are easy to grasp, but the croupier often outplays beginners. Your principal task is to compete with the croupier by beating his hand of cards. Of course, if your first two cards bring a total of 21 (Ace and 10), then the winnings immediately end up in your hands.

The action in this game unveils in several phases. First, you receive two cards face up, while the dealer distributes only one for himself. His second is face down, which turns out to be a turning point on the player's next move. You need to consider the possible outcomes and, based on the analysis, choose a suitable resolution for the situation (refusal, next card, doubling, or insurance). We have explained the rules of blackjack in a separate review in more detail, considering the participating cards and their value.

You can bet on blackjack in any online casino, choosing whether it will occur in real-time or against a computer. The first option delivers a bigger thrill and enjoyment from betting because you are in a real casino environment, and the croupier makes the withdrawals. Providers such as Evolution Gaming and Ezugi are the ones who stand behind the most popular live blackjack games. They present tables with different minimum amounts and varying numbers of participants.

Roulette

There are different types of roulette (American roulette and European roulette), but our recommendation is to bet on the European alternative of the game. It adheres to standard norms and is suitable for executing certain types of strategies. 37 positions are attached to the wheel - these are the numbers from 0 to 36. Except for zero, which is colored in green, the remaining digits are colored in red or black, following each other. The player's main task is to predict where the ball will end up falling at the end of the spin. You can choose from different types of bets that have pre-announced odds. Here is a summary of each of them:

  • Straight up / Single - betting on a specific number, with a payout of 35 to 1;
  • Split - Predicting two probable numbers. The bet is placed between them, and the odds are 17: 1;
  • Street - Choose three numbers next to each other and bet on a possible hit on one of them. An 11: 1 profit awaits you in that option;
  • Square or Corner - The name speaks volumes about the type of bet (forecast between 4 neighboring numbers). You place the chips in the corner that unites them, and in case of success you will multiply your bet up to 8 times;
  • Six lines, a Dozen or a Column - Bets on more extensive possible combinations that bring lower profits. Depending on the type of bet, place the desired amount between two adjacent rows, on the letters "P," "M," "D," or at the end of the column. With a Six line bet, the win is 5 to 1, while the other two options are used to double the bet.
  • Outside bets - You can predict whether the number will be higher than 18 or not, what its color will be, and whether it will be even or odd. The rates for these situations are 2:1.

Roulette betting is a real challenge for gambling enthusiasts, as the action takes place in a matter of seconds. The game also allows the utilization of specific betting techniques, which boost the profits and cover for preceding losses.

Roulette betting tips are simple - after sitting at the table, wait for a few rounds. You will get an idea of what is happening, and your following bets will be based on statistics from past withdrawals. Do not underestimate this part of the roulette game, as the recurrence of numbers is very rare.

Baccarat

The origin of this game remains a mystery to historians. It is said to have originated in France, but its current character has nothing to do with medieval rules. Baccarat is a card game involving 6 to 8 decks. The cards have a specific value measured in points. The Ace is evaluated with 1 point; J, Q, and K with 10 points, and the other cards correspond to their numbering. These are the rules of Punto Blanco, which remains the most prevalent version of baccarat. There are two more versions - French Baccarat and Baccarat Banque, which, however, receive less consideration from casinos.

A banker's bet is the most profitable in baccarat. The casino's profit ratio is only 1.06%. Very few casino games can boast with such a low rate.

Baccarat is an exciting game that challenges players' luck, aptitude, and masterful knowledge. There are no particular betting strategies and techniques, as the cards are drawn at random. You can only rely on your inner feeling and instinct for the direction of the profit.

Poker

A game phenomenon - this is how we would define poker. From a gambling industry product, the game has become a sport that stimulates an ever-growing audience engagement. This results in increased poker bets and the organization of large-scale competitions with multi-million prize funds. These are also available on betting websites, where you can compete with players from all around the world.

Unfortunately, not all licensed worldwide brands have poker platforms. Most of them offer some kind of video prototypes, which we discussed earlier in this article. Well, you can also examine your skills there, but the atmosphere is quite different from multiplayer betting. The other option is to bet live against the croupier, who draws cards for himself and the other party (the bettors). The winner is the one who has a better hand after the river is dealt.

Four poker variations are accepted throughout different casinos - Hold 'em, Omaha, Caribbean, and Three Card Poker.

Frequently Asked Questions

At the end of this overview of free and paid slot games, we want to answer some of the most frequently asked questions by players. That's how we'll spare you some time that you would otherwise spend on the Internet, searching for information. Now let's take a look at what players are asking, and try to provide them with reliable answers:

Which slots cannot be played online?

There are indeed slot games that are only available in conventional casinos and cannot be played on the Internet. These are the so-called ground slot machines with specific titles demanding the player to attend a real, physical gaming room. Anyway, developers are trying to convert all slots to the Internet, so we assume that all offline slots will, sooner or later, have their virtual analogues.

Are the free slot machines legal?

Yes, in most cases, free slots are legal, yet some countries require you to be of legal age to engage with them. Usually, the free slots appearing on websites can be operated by any user. As for paid slots - you will definitely need to be of legal age to play them.

Do I need to install Flash Player to play slots?

For some games, you'll need to install Flash Player in order to play. Fortunately, most slot vendors have implemented the HTML5 technology, which eliminates the need for installing a Flash Player. To find out if a slot requires a Flash player, you need to click on the title - if the software is necessary, you will be asked to download it.

Why won't the slot game run on my smartphone?

There are old-fashioned slot games that can only be played on a desktop computer and do not operate on mobile devices. The number of these types of slots is greatly reduced, but you can still encounter them every now and then. All the latest products launched by well-known gambling software companies are running smoothly on both smartphones and tablets.

What is RTP for slot games?

The Return to Player (RTP) indicator reveals the specific return rate of a slot machine. The higher this percentage, the more often the slot gives out profits. Players can choose between slots that pay cash prizes more frequently but in smaller amounts, and slots that rarely give out awards but contribute with more significant sums.

What is Autoplay for online slots?

This is a computerized option that lets you activate the automatic spinning of the reels without pressing the rotate button.

RTP - Return to Player for different casino games

Casino GamesRTP (Return to Player)
BlackJack99.5%
American Roulette94.75%
European Roulette97.3%
French Roulette98.65%
Baccarat99%
Dice95% - 98.6%
Video Poker95% - 99.5%
Sic Bo97.2%
Backgammon95%
Caribbean Stud Poker95%
Pai Gow Poker97.5%
Slots90% - 98%
3-Card Poker98.5%

The most popular software providers

What is a "software provider"?! Essentially, this is a company that designs casino gaming software products. Online platforms cooperate with dozens of gaming software providers, and an interesting fact is that some of them operate in Bulgaria. That's right - some of the teams standing behind the most successful casino games are Bulgarians - which justifies the great respect from the entire casino community. Let's quickly tell you a bit more about the most popular companies that establish the local casinos' atmosphere and on the leading betting websites.

  • EGT (Euro Games Technology) - The company successfully transfers ground slots to online casinos. The provider's work includes some of the most famous fruit games, such as Super Hot, Burning Hot, Flaming Hot, as well as a bunch of Egyptian slots and pyramids.
  • Casino Technology (CT Gaming) - Another Bulgarian software company with outstanding international recognition. The company began its venture as far back as 1999 and became the first licensed company to produce Bulgaria's gambling products. Casino Technology is the creator of the absolute slot bestseller - the Mega Jack collection.
  • NetEnt - The provider produces live games for casinos as well as hundreds of jackpot slots. Its top contributions include Dead or Alive, Dazzle Me, BerryBurst Slot, HotLine, and Gonzo's Quest.
  • Microgaming - The brand behind the first online casino. Over the years, it has established itself as a significant provider of real-time slots and games and is nowadays cooperating with many popular global brands, including Bet365. Casino fans have certainly heard of the Jurassic Park, Lost Vegas, Playboy, and Halloween slots.
  • Novomatic - Novomatic is one of the earliest and most experienced casino gaming companies. It is of Austrian origin and has over 40 years of participation in the gambling industry. The company develops and maintains the software for many casino games such as slots, video poker, blackjack, roulette, and many more.
  • Amatic - The products of this provider are characterized by more authentic but pleasant and enjoyable graphics. They mix various colors, with a central focus on fruits - All Ways Fruits, Merry Fruit, Fortuna's Fruits, etc.
  • Playtech - A colossal software company that operates an office in Bulgaria since 2006. Over 200 Bulgarian employees are engaged in developing casino and poker applications, which are utilized worldwide. You will find Playtech products on various websites and not just in the casino sections. The company also provides virtual sports, sports, and financial bets, as well as lottery games.

Where can you play casino games with real money?

There are many online casinos where you can gamble with real money and receive generous casino bonuses. Some of the popular local and international gambling operators where you could play for real money are:

In addition to the online casinos mentioned above, we have created a special selection of other less popular online gambling operators, where you can get bonuses with no deposit, free spins, and many other exclusive promotions for various types of casino games.

Casino betting tips

Skillful bet administration and adequate bet strategy are vital aspects of gambling. No casino product guarantees indisputable chances of winning; even in most cases, we are talking about an RTP (Return to Player rate) below 95%. Thus, the only way to minimize losses remains intelligent betting.

We have prepared some valuable tips for a successful and profitable game, which we hope will improve your winnings.

  1. Determine an adequate bet. Accumulate the stake according to the offers you will receive when utilizing it. If the higher bet provides a bonus game and increases your chances of winning, choose to bet higher. In this way, a more generous RTP is supplied for the slot, i.e., you will have an opportunity to earn worthwhile amounts more often.
  2. Duplicate low profits. If the winning combination has generated an unsatisfactory win, it is better to accept the "Doubling" game to boost its value. That's how you can claim a higher potential return, beyond the one officially listed for the respective slot. Put shortly, you can outsmart the game if you are lucky enough to guess the color of the card.
  3. Increase the bet in case of a losing steak. Once you have fallen into a series of failures (over 5-6 non-profit bets), it is time to increase the bet's value without violating your initial financial plan. Use a small level up to balance the previous defeats and even ensure a profit for a medium level combination.
  4. Fewer lines - higher volatility. This is a golden rule in slot betting, which strongly applies to players with more limited resources. If you reduce the number of lines, you will increase the game volatility by several times. This is mainly due to the winning combinations, and as in most games, they are produced by a smaller number of lines.
  5. Do not be influenced by subsequent participants. When trying to win the jackpot, bettors tend to spend a long time in front of the slot machine, believing that the next player will take their luck. The software doesn't work that way, so - try to be more relaxed and reflect the situation soberly. More extended betting will only bring damage to the bank.
  6. Bet wisely and for fun. Last but not least, here is a piece of valuable advice that you have already heard from your friends and relatives and friends. The casino does not guarantee 100% winnings, so engage your thoughts, rather than your emotions - especially when you play for real money, and you're not in demo gaming mode. It all comes down to your luck, discipline, and self-organization in the game. If you are impatient and tend to make reckless moves, this endeavor is not for you; you better choose another activity.

Should you use betting strategies?

Dozens of proven betting techniques have been developed that apply to table games. The best option when playing roulette, for example, remains the Martingale. That's a move where you double the bet in case of failure and return to its initial value when winning the desired profit. To do this, you will need a solid financial capital that would resist a longer negative series, so think about this aspect. The same goes for blackjack, where the profit doubles again, i.e., if you are going to bet by a specific method, look for a casino game with a 50% guessing probability.

The plan you must follow most rigorously is your bank management strategy. Never bet more than 2% of the money you have on casino games.

Slot machines are based on software programs that cannot be manipulated. Winning combinations are determined at random, and there are different varieties and values of the winnings. Here implementing strategies is practically impossible, but still, the most skilled experts in the field advise using "Smart Betting" and "Anti-Martingale." The first method relies on doubling the profit through the corresponding function until you generate either a loss or the desired return. Martingale's opposing strategy advises consumers to bet all their earnings if they are not satisfied with its value.

Regardless of your preferred way of betting on casino games, it would help if you had financial discipline and organization. As mentioned above, take smooth steps harmonizing with your financial status and opportunities. Make betting a small part of your leisure program, and don't let it become too important to you. Let it be a way to have occasional fun, but always prioritize your daily responsibilities.

We live in a time of constant innovation and modernization, which is evident in the fertility of casino gaming platforms. Fresh and upgraded designs are continually being developed, which include multiple functions and additional extras. We see diversity in every aspect, which would bring positives for your profit if you manage to operate it skillfully. Choose a game that suits your personality and does not trouble you too much. The most important thing is the game's pleasure, so do not remodel it into an existential goal, but instead use it as simple and laid-back fun.

To sum it up

In this article, we tried to be comprehensive enough about the possibilities of playing paid or free slot games. We listed the types of slot games, explained their bonuses, told you about the most reputable online slot machine providers, and, last but not least, we answered some frequently asked questions. Now we advise you to relax in a comfortable seat and explore the slots here on Casino Robots to start your unforgettable adventure. Have fun playing!

Overall rating of free slots and casino games by Casino Robots

Rating 10 out of 10