The Best Online Irish Slots

When you’re new to the world of casino slots, it can look extremely intimidating at first glance. How can you get into it without falling over a thousand obstacles? Are all the free online slots we see on our travels legitimate? If so, which free slots are the best?
Join us, and learn about the vital aspects of Irish slots.

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What You Need to Know About Casino Slots

With casino slots, you’ll be pleased to find there isn’t much to know. If you know how to read paylines, reels and symbols, you’re golden.

There are thousands of Irish slots to practice on without risk. Why? Hundreds of casinos offer free online games. Moreover, if you look for the best bonus for slots, you can play for real money for less!

You’ll need to decide which kinds of free online slots you want to play. Between video, progressive and classic varieties, you have plenty of choices.

Each category of casino slots has different win types, graphics and themes. Furthermore, if you’re happy to play free slots, you might even find some dedicated apps to aid you in your gaming.

Some other things to consider, especially when you want to play Irish slots for real money, are RTP rates and volatility. Both of these speak significantly to your likelihood of hitting the jackpot.

If you have a favourite TV series, it’s worth checking if there are related Irish slots. The ability to play free slots with characters you love is mighty craic, and a sure-fire way to enjoy your time on the reels even more.

Naturally, if you choose to play Irish slots for real money, the minimum and maximum wagers are significant. Another factor is how many paylines the game has and if it has a jackpot.

The main thing to know about casino slots, though, is what type you like playing. The more experience you gather, the more you’ll learn which free online slots appeal to you. You can then look for similar slots for real money. In the end, the real criteria for choosing a slot is usually enjoyability: this is what keeps us coming back to our favourite games.

How We Rate the Top Irish Slots Sites

When we review any sites’ offerings, we consider many elements that affect your experience. The first thing we investigate is the variety of casino slots available.

You might have a favourite slot, but you’ll inevitably desire a change at some point. Any good online casino provides a diversity of casino slots. The more available, the better!

Some brilliant casinos offer a wide variety of different games but don’t specialise in slots for real money. It’s our job to figure out which ones are spectacular and inform you of them.

The next thing we look into is the quality of the games. We like to recommend only the operators that provide the best Irish slots for real money so you can gamble in confidence.

The next thing on our list is the overall user experience. A casino must offer not only the best slots for real money but also be easy to use. We review everything from deposit methods to gameplay to ensure that you get the best user experience.

Almost every casino slots operator has a myriad of bonuses and promotions to attract new customers. However, all is not always as it seems. Some promotions seem better than they are, and we’re very serious about honestly reviewing them to ensure you get the best bonus for slots games.

Finally, to get a good rating on our site, an operator must offer many types of Irish slots for real money. While operators that have classic games might be interesting as a niche, diverse sites usually offer the best casino slots.

Accordingly, having a diversity of types, free slots and solid bonuses contribute to our ratings. We also only recommend safe casinos that have good encryption and are easy to use.

Whether you want to play free slots or slots for real money, you can count on us to guide you towards the best operators.

Types of Online Irish Slots

Over the years, casino slots for real money have changed drastically. Today, we have hundreds of different games, and it would be impossible to look at them all.

However, we’ll be taking a look at some of the most common types of Irish slots to help you understand which kinds you might like best.

  • Classic: Whether for free or real money, classic casino slots are run-of-the-mill machines. Typically they have three to five reels and a limited amount of paylines.
    They appeal to longtime gamblers or people who aren’t impressed with the bells and whistles of newer games. The themes are generally basic, and the gameplay is simple.
  • Progressive jackpots: If you’re out for the pot of gold at the end of the rainbow, these are the Irish slots for real money that you’ll be wanting.
    Every time somebody plays a progressive, the jackpot increases until someone eventually takes the pot. A progressive jackpot offers one of the best bonus in slots and games you’re likely to encounter.
  • High-roller: High-roller slots are for those with large bankrolls. It may seem counterintuitive, but many of these are available as free slots as well. It’s a high-risk, high-reward situation, since minimum bets are often large, and maximum wagers are massive. These casino slots for real money aren’t for the faint of heart. Nevertheless, the prizes you could win are on the astronomical end of things.
  • Megaways and cluster pay: After progressive jackpots, Megaways offer some of the best bonus in slots and games on the market. Rather than having a set number of paylines, these systems pay any consecutive matching symbols. Depending on the specifics of the casino slots, they may pay from left to right, right to left or both ways. You can try the free online slots versions of these games before deciding if they’re for you.
  • Fruit machines: Often referred to as “fruities,” this type of slot is a spinoff of the first slots not produced by Charles Fey. They featured images of fruity bubblegum flavours and wrappers. You can play these as free slots or paid versions.
  • Free online slot: Some providers make a habit of regularly producing new free slots or release demo versions of their paid games. When you’re a new player, free online slots can help you get on your way. You may even find that you enjoy the free slots so much that you’re happy to keep playing them. You’ll find that free versions of real money games are useful when trying to choose a title. While RTP and volatility give you theoretical insight, playing the free online slots version lets you see the game in action.

The Irish Slots Bonus Options

In the world of online casino slots for real money, finding the best bonus for slots and games can be tricky. There’s an array of offers that can easily overwhelm new players. But don’t fear, we’ll help break it all down for you.

Deposit Bonus

If you use this promotion wisely, you can essentially play free slots. The deposit bonus increases the amount of your first deposit by a specific percentage. For example, if you deposit €100 with a 50% deposit bonus, you’ll have €150.

No Deposit Bonus

When you sign up for this, the operator offers you a certain amount of bonus funds before you’ve made a deposit. It’s almost like playing free online slots, but with real money. Read the wagering requirements carefully, though, as you may need to make a deposit before withdrawing any big wins.

Free Spins

A common bonus at casino slots operators is the free spins promotion. It’s possibly the best bonus for slots games.

Together with some slot providers, many online casinos offer free slots spins for specific machines. Typically, they offer the promotion on machines that are already popular, hoping to entice even more users.

You get to play a certain amount of times at no cost and keep any winnings under a certain limit. It’s free online slots at its finest!

Welcome Bonus

Welcome promotions are undoubtedly the easiest promotion type to find, and you can see them plastered across the banner at the most popular online casino sites. If you’re interested in playing free online slots for real money, here’s where you start.

Casinos that focus on slot machines often offer a combination of smaller deposit bonuses or no deposit bonuses and free spins. Essentially, they’re offering free spins if you know how to use the bonus well. Since this is a combination promotion, it could be the best bonus in slots and games overall.

Irish Slots Sites on Mobile

Today, having sites that function well on mobile is critical. Many Irish casino sites are opting to create their own apps. On the other hand, some operators believe that mobile-optimised websites are more versatile.

When you’re gambling on your mobile, there are a couple of things you need to provide the optimal user experience. Firstly, it wouldn’t be much fun to have a website that doesn’t allow you to play free slots you like, so make sure it offers your favourite games.

The next essential thing is how easy it is to play on the mobile version of the site. If it’s difficult, that doesn’t count in the operator’s favour. We test all the slots we recommend to ensure that they’re easy to play.

Finally, whether it’s an app or a mobile-optimised site, it should work on a variety of operating systems. It’s brilliant to have an operator that works well on mobile, but we don’t want our slot games to only serve users of a specific phone type.

If the operator offers promotions specifically for mobile users, that scores them some brownie points in our estimation.

Casino Slots Payouts and RTP

When an independent review laboratory does a study of new slot games, they determine the return percentage. RTP is an abbreviation for return to player rate and is indicative of the average amount of money returned to players over a long period of time.

However, the RTP gets calculated throughout a million spins or more and isn’t always a good indication of your chances. If you were going to spin 1,000,000 times, you’d know you can expect 96% of your money back when you’re playing a slot with 96% RTP.

When you’re only spinning 50 times or so, on the other hand, the world is your oyster. You could win double, lose half or lose everything. Nevertheless, from a statistical standpoint, it might be worth choosing a slot with a higher RTP rate.

Let’s look at some examples of the RTP rate in action. Mega Joker by NetEnt is one of the Irish slots with the highest return rate, 99%. However, you can sometimes spin 20 times or more before seeing a return on your wager.

On the other hand, slots for real money, like Vikings Unleashed Megaways, might give you a hit one time out of five. It only has a 96.5% return though.

A lot of this has to do with the volatility of the game. Volatility is a determining factor in the payouts and returns of any slot.

The more volatile a slot is, the less consistent its payouts are. Higher jackpot games have high volatility, and less frequent payouts, to compensate for the jackpot size.

If you’re looking for a consistent slot, you should pick one with a high RTP and low volatility. However, if you want to win big rather than often, you should go for a high volatility slot with a high return percentage.

How to Play Irish Slots Online

  1. Select the best bonus for slots and games that the casino has.
  2. Complete the registration form, being sure to use a promo code if necessary.
  3. Confirm your account registration via the email or SMS that the casino sends you.
  4. Log into your new account.
  5. Provide the documents and information that the casino may need to verify your identity.
  6. Make a deposit. Ensure that you follow the bonus instructions if taking advantage of a deposit promotion.
  7. Find the game that you want to play and open it. Don’t forget to look at the RTP rate and slot volatility.
  8. Read the instructions carefully. You can often boost your success greatly by reading the hints and tips in the game instruction area.
  9. Choose a bet size. Typically, most casino slots have a wide array of betting options. Additionally, the hit rate often increases along with your wager size.
  10. If your slot machine offers a payline choice function, decide on how many paylines you’d like to wager. Remember, more paylines mean a better chance of winning. However, the more paylines you wager on, the more your bets will be per spin.
  11. Set the autoplay or start spinning.

Top Rated Irish Slots in 2023

There have been plenty of new slot releases in 2021, and we’d recommend trying the free online slots version of some of them. However, some of the highest-rated games in 2021 are flashbacks from a couple of years ago.

  • Starburst: Something about the space-gem theme just keeps players coming back for more. You can play the demo version of this game as well.
  • Book Of Dead: The lives of the Egyptians have always enthralled us. This Egyptian-themed release remains in the top five, year after year. If you’re not sure you’d like it, try the free slots version.
  • Mega Moolah: If we’re honest with ourselves, we all want to win some big bucks when playing slots for real money. This progressive slot by Microgaming was released in 2006 and remains the holy grail of slot machines for many gamblers.
  • Gonzo’s Quest: We can attribute Gonzo’s Quest’s popularity to the storyline and fun gameplay. It follows the adventure of a Spanish conquistador trying to find his way to Eldorado.
  • Wild Wild Riches: This game is one of the best free online slots for 2021. There are hundreds of brilliant free slots out there, and out of all the cheesy ones that focus on Irish culture, this one ranks head-and-shoulders above the rest.

Casino Slots Biggest Progressive Jackpots

There are advantages to not getting caught by the allure of free slots: 2021 offered some significant wins. Among other things, we saw a €20,000,000 reward in January and a €14,000,000 win in August.

Most major jackpots come from one of the many progressive games. Let’s look at some of the better candidates.

  • Mega Moolah: six of the seven largest jackpots recorded were won on this slot, The prizes have ranged from €12,000,000 to €18,000,000. One of the contributing factors towards the intense popularity of this slot is the theme. With the jungle safari imagery, and the chance to win big, players just keep coming back.
  • Major Millions: Except for the massive jackpot, this is a straightforward slot machine. The theme, as you might have guessed, is military. It’s a classic styled slot, and features original icons like sevens and bar symbols.
  • Mega Fortune: Another slot that starts with an ‘m,’ is this a theme we wonder? We can’t be sure, but we do know that this slot is immensely popular in Ireland. The game is nothing if not honest, featuring various symbols of the highlife as imagery. Images include ruby rings, champagne and limousines.


Payment Methods for Casino Slots

When looking for a new operator, available payment methods are of critical importance. Let’s look at some prominent options you’ll encounter on your online casino journey.

Of course, when it comes to free online slots, you don’t need to worry about payment options. However, most people don’t want to play free slots and need access to one of the following.


E-wallets like PayPal, Skrill, and Neteller are some of the most popular choices where online gambling is concerned. Why? They’re efficient, easy to use and can be accessed anywhere with an internet connection.

Debit Cards

Another predominant payment method you can find when playing Irish slots for real money is the debit card. They’re simple, efficient and most people already have access to them.


A rising star in the casino world, crypto casinos allow you to pay with digital currency. Look at Bitcoin or Ethereum if you’re interested.

Bank Transfers

For those old-fashioned codgers who like the ways they’ve always used, most operators still accept wire transfers. The downside is that they take quite long to clear, up to a week.

Prepaid Cards

Another blossoming payment option is the prepaid card. You add the funds you’d like to spend, and can only use the card with your secret pin.

Casino Slots RNG

Originally, slot machines were a physical set of reels that spun at random to give a result. Nowadays, however, most online casino slots rely on a random number generator to provide the results.

Each slot machine’s server has a random number generator that generates a result for every spin. Every number correlates to a picture, and the result of the RNG determines what gets displayed on the reels. Whether you play free slots or slots for real money, the RNG determines the win percentage.

Without this technology, our beloved slots would cease to exist. Each specific generator operates on a unique algorithm and is different from all the others. It prevents anyone from tampering with the different slot machines.

Irish slots with higher volatility have RNGs that go through more numbers than lower volatility games. Alternatively, low volatility casino slots usually go through far less combinations. That’s why there’s such a difference between the results of the games.

Something worth considering is the fact that the RTP of every slot is a representation of the RNG’s effectiveness. Effective generators with a higher amount of possible combinations will likely have lower RTPs.

Irish Slots Selections at Online Operators

Not every provider of Irish slots offers an equal diversity or quality of games. The slot selection that you can find at any given operator says a lot about the quality of the establishment. Some Irish sites specialise in free slots, and we’re okay with that.

However, when we look for the best operators, we check if they stock leading providers.

Some of the casino slots providers we look for are MicroGaming and NetEnt. These brands are highly prized in the casino industry and trusted to provide quality games.

Some other exciting brands are Play’N Go, IGT, and BetSoft. Free online slots and paid slots aplenty come through these companies every year, and they’re always worth having a gander at.

Apart from the providers, game selection is also very important. A trustworthy casino will host many of the most popular Irish slots for real money. You should look for games like the ones we’ve mentioned in the top Irish slots section.

Preferably, the site should offer diversity in several different genres. The better the diversity is, the better the resulting ratings will be. Naturally, we also prefer when they offer their slots for real money as free online slots too.

History of Casino Slots

Casino slots have a long, varied, and diverse history. It started in the mid-1890s, when Charles Fey, an engineer, developed the precursor to the Liberty Bell machine.

The first ancestor of the modern slot machine was called the 4-11-44 and swiftly made its way to bars and pub countertops throughout the region. The machine was so successful that Fey resigned and dedicated his time to producing new machines.

Next on his list was a poker-based gambling machine called the Card Bell: a three-reel slot game with automatic payouts.

Fey’s next invention is often mistakenly referred to as the first slot machine. The Liberty Bell saw the light of day in 1899, and incorporated horseshoes and bells in addition to poker imagery. Three bells in a row meant a winning spin and would pay out the maximum win.

In 1916, the Mills Novelty Company released a machine that would cash out all the coins in the machine when certain combinations appeared. Not long after, many parts of the United States and Europe banned the casino slots for moral and religious reasons.

After World War 2, however, many governments saw that the machines could be useful for building tax revenues, and slots came roaring back.

In the 1950s, the advent of electromagnetic machines allowed for the introduction of multipliers.

The amount of the possible payout was determined by how many coins the gambler placed into the machine before playing. Multipliers would later prove to be a popular addition to online slots for real money.

Video slot machines were introduced in 1975 and emulated physical reel on a virtual monitor. However, these did not originally rise in popularity, as most slot machine enthusiasts liked the feel of a physical machine. Today, however, many video slots are popular as their physical counterparts.

Later on, a new mechanism allowed companies to link multiple slot machines. Every time somebody played one, a certain amount went to a central jackpot.

Modern casino slots function significantly differently. Most Irish slots function on solid-state electronics and have a staggering array of algorithms.

While it’s hard to determine which of the many casino slots was the first online machine, we know that the first commercial game launched in 1996. Most sources agree that it was probably one of the Microgaming games that took that title.

As time has passed, we’ve seen the addition of many types of Irish slots for real money. The introduction of Megaways in 2012, by Big Time Gaming, has added a whole new aspect to casino slots.

Cluster pays are another exciting new introduction that affects modern slots. Cluster pays reward you for any matching symbols that touch on the reels.

With all these fantastic innovations throughout the years, who knows how the future of online slots will develop?