Online slot games are one of the best ways to gamble real money online. There is a lot of money to win, and a lot of fun to be had. In this article we’ll take a look at these online slots, looking at tablet casinos, desktop casinos and more, and telling you everything you need to know about online slot games.

Top Sites For Online Slot Games

What Are Online Slots?

Online slots are basically slot machines that you can play online. These games are not unlike the ones you have seen in arcades and casinos. The difference is that they are entirely virtual.

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As a result, they tend to be bigger and better. There are more features and more bonus rounds; they run quicker and smoother than their offline counterparts; and because there are no restrictions in regards to space on the casino floor, there is also a greater number of them to choose from.

Online slots are the fastest growing real money gambling game in the world. They are more popular than any other game, and not without reason.

What Are The Types of Online Slot Machines?

There are many different types of online slot machines, including:

  • Video Slots: These are the basic online slot games, offering great graphics and quick game play.
  • Bonus Slots: These online slots are like video games, but with real money gambling elements.
  • Progressive Slots: These offer massive jackpots, which are paid out at random.
  • Retro Slots: These have fewer reels and are based on arcade slots of old.

How Do Online Slots Differ From Offline Slots?

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The main difference is the variety on offer. Even the biggest casinos only have room for a few thousand slots on the casino floor. This sounds like a large number, but many of those are the same games.

As a result, there are only around 50 or so different slots in an offline casino. However, in an online casino you can expect to find upwards of 500 online slot games.

They are also quicker, and they tend to have better graphics.

Whose Creates These Virtual Slot Machines?

Online slot machines are created by most gambling developers. All of the big ones create their own line of slots, as well as some of the smaller names. These include:

  • Microgaming: This popular brand had a hand in creating the very first online slot machine, which was launched on the very first online casino. This was back in the 1990s, and since then they have focused mainly on developing. These days they develop new slots every week and have a catalog of hundreds. Their big hits include Mega Moolah.
  • Playtech: Often cited as being the biggest gambling software developer, Playtech create all kinds of classic online slot games. They own the Marvel slot license, which means they have the widest selection of superhero slot machines on the market. These include Iron Man and The Incredible Hulk.
  • BetSoft: Best known for their small number of incredibly advanced slots, BetSoft create some of the most beautiful games you will ever see.
  • Net Ent: This developer is also well known for creating attractive slots. Some Net Entertainment creations include South Park and South Park Reels of Chaos.
  • IGT: This brand has been developing slots for a number of years. They create online and offline slots and are responsible for modern classics like the Family Guy slot.
  • Others: Other names include the Rainbow Riches creator Barcrest and the Ruby Slippers creator WMS Gaming (both of which are owned by SG Gaming) as well as Play N’ Go, Cryptologic and many others.

All of these developers create software for iPhone casinos and other mobile devices, as well as desktops. Many of them also create table games and online slot games.

Popular Online Slots

What Are The Most Popular Slots Online?

There are many popular online slot games to play in

One of the most popular slots of the last decade or so is Rainbow Riches. This slot was created by Barcrest and was made popular in offline and online casinos. Rainbow Riches has a leprechaun theme, offering several different bonuses and a fairly high win-rate.

Mega Moolah is another of the biggest slots out there. This progressive slot was created by Microgaming. It is responsible for countless records, and currently holds the record for the highest online slot game payout, which went to a lucky UK gambler who scooped around $20 million!

Avalon and Thunderstruck, as well as Avalon II and Thunderstruck II, have also proved to be popular titles over the years. As has Chain Reactors, South Park, Jack Hammer and Football Star.

Can I Play Online Slot Games On My Mobile?

Of course! In fact, many online slot games are now created purely for mobile use. That’s because more and more players are turning to their mobile devices. There are now more mobile users than desktop ones, and there are many more mobile gamblers than desktop gamblers.

Simply put, all of the online slot gamesthat you can play on your desktop, you should also be able to play on your mobile. And this applies regardless of what device you are using.

What Are The Best Online Slots For Mobile?

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Some of the best mobile slots are desktop slots that have been converted. South Park is a great example of this, as is Chain Reactors.

However, there are also slots that began life exclusively as mobile slots. Such is the case with Beehive Bedlam Reactors, which is not too dissimilar to Candy Crush and is perfect for mobile devices. In this game you take control of a beehive and watch as symbols fall into place.

If you collect enough of a certain type of symbol, then you can steady fill a honey pot. When that honey pot gets to the top, you will enter a side-scrolling mini-game.

Where this mini-game differs from traditional online slots bonus rounds is that the player actually needs to play. They need to avoid the obstacles and collect the coins. If they do well, they will receive a big cash boost. If not, they will get nothing.

Which Online Slot Games Have The Highest Payouts?

The highest payouts can be found on Net Ent, where they only create games with an RTP of more than 92%, and often go above 95%. Microgaming also promise equally high RTPs, as do many other big providers. However, this does not apply to all of their games.

For instance, many of the Microgaming progressive jackpot slots have RTPs of less than 90%. Mega Moolah, for instance, is just 89%.

The RTP (or Return to Player) plays a big role in whether or not you will see a return on your money. So, make sure you research into each slot’s RTP before you invest any money. And if you want RTPs that are high across the board, you can’t go much wrong with Net Ent slots.

Online Slot Bonuses

The biggest bonuses you will find on online casinos typically apply to online slot machines. That’s because they provide a huge margin for the casino. They know that if 100 people take 100 spins each, they will be in profit. This is not always the case with table games, and it’s certainly not the case with sports betting.

As a result not only will your casino bonuses always apply to online slots, but you can also find slot specific bonuses. The biggest casinos are always giving away free spins, whether as a bonus for completing a certain task (depositing, paying on a certain day, signing-up) or as a way of launching a new game.

You should sign up for the casino newsletter and keep an eye on the promotions page to watch for new offers as soon as they arrive.

Online Slots FAQ

How Do Online Slots Work?

Online slot games work just like offline slots. In the old days, all slots were mechanical. They were called “slot machines” because they worked on a system of gears, and a jackpot was triggered when a certain bar “slotted” into a gear.

Those machines were easier to manipulate, so they had to advance. In fact, it was the fraudsters who helped to advance this industry, because as soon as they came up with a way to con these machines, the developers were forced to invent new ones.

Eventually, they began using computer chips, which were difficult to con and offered millions of computations. When online slots were created, they used the same technology. These days, all online slot gamesuse something known as a “random number generator”, which helps to ensure that everything is random and that no spin can be influenced by the developer, the casino or the player.

Are Progressive Slots The Best?

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It all depends on what you want from your online slot machine. If you like high payouts, and want to win whatever the cost—even if that win is small—then they might not be for you.

That’s because progressive slots payout less money on average. You won’t win as frequently as you would on other slots. Nor will you win as much money.

However, if you like the idea of winning big, then they are ideal. Every spin basically comes with a lottery ticket, as every spin gives you a chance of winning a small fortune on top of your other winnings.

Of course, the amount that these slots pay differs. It all depends on the casino software that you use.

Are Online Slots Safe?

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They are completely safe. The best online casinos use the latest in encryption technology to ensure that your money is always safe. This applies whether you’re making a deposit or taking a spin on a slot.

Think about it. How many times have you heard about hacks on retail sites and gaming networks? Yet, how many hacks have you heard about on gambling sites?

It would make sense for a hacker to target these sites, as that’s where the money is. But they don’t, because they are a virtual Fort Knox and just can’t be penetrated easily.

And because this industry is tightly regulated, you should be covered even if something does happen. The regulator, the industry watchdogs and/or your bank will ensure you get your money back.

Are Online Slots Fair?

These online slot games are perfectly fair. That applies whether you’re playing slots for real money or are dabbling in some table games. Everything is tightly regulated, everything is random and it’s impossible for the casino to change this.

You have to remember that the people who develop the games are not the people who make money from them, at least not the money that comes from you. They have to make sure that these games are fair, and it is in their best interests to do so.

There is also the simple fact that a legitimate online casino will make a lot of money. There will always be gamblers waiting to give them money, and if there are enough of those gamblers, they will always generate a profit. That’s the beauty of the gambling industry, and it’s what has kept casinos around the world in profit for hundreds of years.

If a casino plays by the rules, those players will keep flocking to their virtual doors. If it breaks those rules then it may make a little more money over the short-term, but at what cost? Eventually they will be found out, they will be driven out of business and they’ll lose it all.

So, not only is this industry fair, but it’s one of the few industries where fairness pays more than fraudulence.


Online slots may be cash cows for the casinos, but they also provide a lot of entertainment for the player. And the fact that you could be the lucky one who wins the prize, or one of the many lucky ones who walks away with a profit, is enough of an incentive for you to play.

These games can not be beaten like blackjack or poker can. But they are fun, and you can win a lot of money. So, if you love to gamble, then be sure to play some of the aforementioned online slot games for yourself.