In certain instances, we may earn revenue when a reader makes a purchase or completes a form through our pages or on a partner’s website. We adhere to a strict If you’re a fan of online slots, you’re spoilt for choice when playing the leading slot games. We’ll guide you through the best online slots in Ireland and where to play them, including which boasts the biggest jackpots and which slot type suits your style of play.
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- Show Full Guide
5 of the Best Online Slots in Ireland
Finding the best online slots for real money in Ireland will mean different things to each player. For instance, some love bonus features, others prefer low-volatility classics, and many of you will be much more into the graphics and gameplay than anything else.
The best slots online in Ireland tend to have some features in common. Rather than trawling through every slot in Ireland, your best shot is to check out some of the most beloved slots.
Interestingly, the top five online slots in Ireland are not the latest releases or the biggest jackots. Instead, these slots have become famous for their entertaining and well-balanced gaming experience.
1. Big Bass Bonanza – A Classic Fishing Online Slot in Ireland
- Best For: Timeless slot fun
- Range of Bets: €0.10 – €250
- Reels/Rows: 5
- Paylines: 10
- Play For Free? Yes
Some of the best online slots revolve around fishing, and many of us dive into these fish-themed slots as soon as they hit the online shelves.
When you play games like Big Bass Bonanza, you understand why the fishing theme is so prominent. Pragmatic Play’s five-reel, 10-payline slot is so straightforward that you can genuinely keep up with the action – which is something we can’t say about some of the other online slots in Ireland.
The RTP is 96.71%, which is higher than most slots in Ireland. And you could snag 2,100x your bet on any spin. It’s not the biggest max prize, as many others offer 50,000x or more.
The sequel, Big Bass Bonanza: Keeping It Reel, was crowned Game of the Year at the IGB Affiliates Awards 2024. So, if you’re into Big Bass Bonanza, check out the newer version too.
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2. Book of Dead – The Best High-Variance Slot
- Best For: High-variance bonuses
- Range of Bets: €0.10 – €50
- Reels/Rows: 5
- Paylines: 10
- Play For Free? Yes
You’ve likely already come across many slots in Ireland with the prefix ‘Book of’. There’s the Book of Ra, Book of the Last Ronin, and even the Book of Cats. But Book of Dead is the one you want.
Book of Dead is, quite simply, the most popular high-variance slot online today. The Egyptian theme with an Indiana Jones-like protagonist is common, and the max payout of 5,000x is good, but not great.
Sometimes, a slot resonates with players, and Book of Dead hits the sweet spot. Like Big Bass Bonanza, this is an easy-to-understand slot, making it even more likely that new players will continue to flock to it.
When you win, you can either collect or gamble. If you gamble, you’ll choose between red and black or one of the four usual suits. If the card matches your guess, you’ll win more coins – and you can gamble multiple times to stack up your win.
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3. Starburst – The Best All-In-One Slot
- Best For: A bit of everything
- Range of Bets: €0.10 – €100
- Reels/Rows: 5
- Paylines: 10
- Play For Free? Yes
NetEnt games are known for their quality, and few games can match the heights of Starburst.
This intergalactic adventure was released in 2012 and became an instant classic. Pristine graphics and an immersive soundtrack set the tone for what is, once again, a relatively simple slot. Five reels, eight symbols, and plenty of re-spins.
In lieu of a standardised jackpot, Starburst’s key feature is re-spins. While many of the best online slots in Ireland have a re-spin feature, those in Starburst can lead to unhinged action, which we like to see.
One final ingredient to Starburst’s enduring popularity is free spins. But we don’t mean in-game free spins. Instead, you’ll find that free spins on Starburst are an extremely common feature at many of the best online casinos in Ireland. For example, as part of a welcome bonus. This opens the door to newbies discovering Starburst and falling in love with it right away.
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4. Mega Moolah – The Best Progressive Jackpot Slot
- Best For: Chasing jackpots
- Range of Bets: €0.25 – €6.25
- Reels/Rows: 5
- Paylines: 25
- Play For Free? Yes
We all know the odds of hitting a massive jackpot are razor-thin. And you certainly shouldn’t expect to win one. But the potential draws many players in, and Mega Moolah’s jackpot is truly mind-blowing.
Mega Moolah employs a cartoon safari theme which seems like the usual fun and games you’d find at many of the best online slots for real money. But take a look at the jackpots and you’ll see what makes this one shine.
Not only does this slot come from Microgaming, arguably the biggest software provider in the industry, but it has also paid out jackpots that comfortably delve into the eight-figure range. And it’s not just a gimmick; jackpot aside, the slot has an excellent combination of in-game features plus smaller (and therefore more achievable) jackpots.
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5. San Quentin xWays – The Best Dark Horse Slot
- Best For: Alternative offering
- Range of Bets: €0.20 – €32
- Reels/Rows: 5
- Paylines: 243+
- Play For Free? Yes
We didn’t want to leave you walking away with just the mainstream stuff, so we’ve included a bit of a rogue shout among our best online slots with San Quentin xWays.
San Quentin xWays is a slot game from Nolimit City. If you haven’t heard of them, they make some of the most controversial online slots in Ireland and the world – and certain players love them.
Along with some X-rated themes and choice language, Nolimit Slots do pack in incredible gameplay and graphics, and San Quentin xWays is one of their best.
The maximum win is a staggering 150,000x, which blasts Big Bass Bonanza out of the water. Yet the RTP remains at 96.03% – very high considering the top payout.
This five-reel, prison-themed slot is not for the faint-hearted but will appeal strongly to a specific sector of fans.
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How Do the Best Slots Online in Ireland Work?
The three aspects of online slots include RNG (random number generator), RTP (return to player) percentage, and volatility. Understanding what these do and how they affect the game will help you identify online slots worth playing.
If you’re entirely new to these casino games and have never played online slots, it’s best to start with the basics. Read our how to play slots guide to understand the reels, paylines, how combinations activate, and what game options are available.
RTP (Return to Player)
RTP stands for return to player, an objective number used to compare the best online slots and determine which ones pay the most. Higher RTP percentages are believed to pay more often, and while that’s true, it’s essential to understand how the RTP is calculated.
A slot’s RTP percentage is the opposite of the house edge – the percentage of profit the casino expects from all bets over time. Therefore, a slot with an RTP of 95% means the house edge of 5%. However, this is not a fixed percentage, but rather the average.
Since it’s the average, the RTP can sometimes be over 100%, giving you amazing winnings, activating features, and increasing your account balance drastically. Other times, it would be much lower, resulting in lower payouts and many spins with no winnings. The volatility of online slots also plays a vital role in how often payouts and features occur, which we’ll discuss later in the article.
The average is calculated over hundreds of thousands of spins, which means it doesn’t have any real effect while you’re playing a few spins. There’s no significant difference in payouts between slots with an RTP of 95% compared to ones with an RTP of 98%. However, you will see a clear difference compared to slots with an RTP of less than 90%.
“The RTP of jackpot online slots in Ireland will always be lower than regular slots since part of the wager contributes towards the major. Mega Moolah, a world-famous jackpot slot, has an RTP of around 88% since over 5% of the RTP counts towards the progressive jackpot.”
Our slots odds guide explains how the payouts are calculated in more detail, making it easier to see why the highest RTP slots in Ireland are so popular.
| Online Slot | RTP | Game Provider | Best Slot Site in Ireland |
| 1. Mega Joker | 99% | NetEnt | Jackpoty |
| 2. Jackpot 6000 | RTP | NetEnt | Cobra Casino |
| 3. The Catfather | 98.8% | Pragmatic Play | Verde Casino |
| 4. Blood Suckers | 98% | NetEnt | Cashwin |
| 5. Jack Hammer 2 | 97.1% | NetEnt | RoosterBet |
Volatility
Volatility in online slots refers to how erratic the winning pattern will likely be. If a slot is high volatility, it means you might not hit a win for some time – but when you do, there’s more chance of hitting a bigger win. By contrast, low-volatility slots are your Steady Eddies, where you win fewer coins but more often.
If your priority is to play slots with giant jackpots, and you don’t mind potentially losing quickly, aim for high volatility. Low volatility will be up your street if you want to stretch out your session at the expense of a potential big win. To maximize your chances of earning the jackpot, read our winning slots tips.
There are also many online slots in Ireland with medium volatility, which offers the best of both worlds. These slots would mostly activate fair-sized winnings and features while having higher jackpots and some lower payouts that activate more often.
RNG (Random Numer Generator)
All online slots in Ireland are classified as “games of chance” since payouts are entirely random, thanks to the random number generator (RNG).
As the name suggests, the RNG will generate a random string of code with every spin of the reels, determining where symbols appear. The complex computer code ensures complete fairness and unpredictability.
The RNG software will ensure payouts are given to meet the RTP and volatility of the slot, which means you can expect a fair gaming experience that cannot be affected by the casino or any other party.
Min/Max Bets
The bet per spin is divided between the number of paylines and used to determine the amount you win. The higher you bet, the bigger your payouts will be in Euros.
Activating a winning combination in your favourite online slot in Ireland will pay in coins, which are then multiplied by the bet per line. The coin payout will not change, no matter how much or little you wager. For example, if three fish symbols pay 100 coins, the payout will remain the same when you wager €0.01 or €100.00. The difference is the amount multiplied to convert the winnings into Euros.
The €100.00 bet is 10,000x higher than the €0.01 bet, meaning the Euro payout would be 10,000x higher for the same win. However, you’ll also be betting that much more, which could decrease your bankroll drastically.
Online slots in Ireland provide various betting options to suit all budgets and comfort levels. Most slots allow bets from as low as €0.01 per line. Always check the total bet before you press spin, as the bet per line is multiplied by the number of activated paylines.
In-Game Bonuses
Feature-rich slots in Ireland can provide a completely different experience to other casino games. Free spins are one common way for a slot to add some excitement to the action, and it can be very satisfying when you trigger a series of free spins (or re-spins) and watch your prizes stack up.
Although it’s not common, some games also let you make in-game decisions directly affecting outcomes. Book of Dead is a prime example. You can increase your win by 2x or 4x by betting on the outcome of a card, then do the same again and again. If you get lucky, your payout can increase dramatically.
Play Free Online Slots in Ireland
Playing free slots in Ireland makes it possible to test the features, payouts, RTP, and volatility of the real money game without using actual cash. To play slots for free in Ireland, there’s no need to download software or register an account. Not sure where to start? Play these free online slots from your PC or mobile device:
Types of Online Slots for Real Money
Some online casinos lump all slots under a single heading, but there are several key categories of online slots—each has its appeal.
Here are the biggest pros and cons of different slot types.
Top 10 Highest Paying Real Money Online Slots in Ireland
RTP and other features are important when choosing one of the best slots in Ireland. Below, we look at the top 10 best slots in Ireland, RTP percentages, maximum payouts, features, and more.
| Slot | Developer | RTP (%) | Max Win | Bonus Features | Recommended Casino |
| Big Bass Bonanza | Pragmatic Play | 96.71 | 2,100x | Free spins | Verde Casino |
| Book of Dead | Play’n GO | 94.25 | 5,000x | Gamble feature | Ice Casino |
| Starburst | NetEnt | 96.09 | 500x | Re-spins, wilds | Cobra Casino |
| Mega Moolah | Microgaming | 93.42 | 1,955x | Free spins, wilds, progressive jackpots | Cobra Casino |
| San Quentin xWays | Nolimit City | 96.03 | 150,000x | Free spins, bonus triggers | Ice Casino |
| Gonzo’s Quest | NetEnt | 95.97 | 2,500x | Multipliers, wilds, scatters | Rollino Casino |
| Eye of Horus | Reel Time Gaming | 92.44 | 50,000x | Wilds, extra spins | Cobra Casino |
| Sweet Bonanza | Pragmatic Play | 96.48 | 21,175x | Free spins, multipliers | LuckyWins |
| Mega Joker | NetEnt | 99 | 200x | Wilds, scatters, jackpot | Jackpoty Casino |
| Blood Suckers | NetEnt | 98 | 1,014.6x | Free spins, wilds | Ice Casino |
The 5 Best Casinos to Play Slots Online in Ireland
By now, you know that there are a ton of different slot types, themes, RTPs, and so on, which means it’s tough to pick one individual best online casino. However, there are certainly recurring features that players love that can be found at the top sites. Here are our top five online slot sites in Ireland.
1. Jackpoty – Slots from Over 40 Providers
Jackpoty Casino uses a very traditional setup but packs in slot games from over 40 software providers. Search for one of the best online slots manually or filter through sections such as ‘Top’, ‘New’ and ‘Recommended’.
Pros 
- 40+ software providers
- Generous bonuses
Cons 
- Basic appearance
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2. Cobra Casino – Play Games for Free
One great feature of Cobra Casino is how easy they make it to play games for free, even if you’re not a member yet. Hover over any slot game and tap ‘Play for fun’ to test-run a slot for free.
Pros
- Demo mode for free games
- Play slots using cryptocurrency
Cons
- Limited withdrawals
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3. Ice Casino – Cool Weekly Tourneys
If you’re a regular player, tournaments offer an excellent opportunity to boost your bankroll while playing your normal slot games. Ice Casino has plenty of them, in addition to an excellent selection of the very best online slots.
Pros
- A lot of slot tourneys/li>
- High-roller friendly
Cons
- Limited range of games
- No sportsbook
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4. Verde Casino – The VIP Specialists
In the mood to be wined and dined? Verde Casino could be your best shot. This online casino welcomes VIPs with open arms, rewarding privileged players with up to 12% cashback.
Pros
- VIP perks
- Slick design
Cons
- No eWallet payments
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5. LuckyWins – Over 5,000 Slot Games
Games, games, games. The selling point of LuckyWins is obvious, as they’ve jammed in an inordinate number of slots totalling over 5,000! If you like to mix up your slot gaming each time you play, you’ll fit right in at LuckyWins.
Pros
- Huge selection of games
- Lots of providers
Cons
- High wagering on bonuses
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Biggest Online Slot Real Money Jackpots
If all that talk earlier about progressive jackpots has whet your appetite, you may want to know which online slots currently have the biggest jackpots.
Here are some meaty online slot jackpots that you could win:
Mega Moolah – €3,500,000
There’s no telling when the next big Mega Moolah jackpot will drop. The largest win to date was an incredible €19.4 million.
Aztec’s Millions – €920,000
At €5 per spin, Aztec’s Millions isn’t the cheapest – but the jackpot is huge. It’s also one of the biggest RTG jackpots around.
Megasaur – €850,000
It might be packed with dinosaurs, but there’s nothing prehistoric about this jackpot, which is nipping at the heels of seven figures.
Key Features of Slots Online
You can choose from thousands and thousands of online slots, but after playing just a few, you’ll begin to notice patterns. And this is largely down to similar features across online slots.
Recognising and understanding these common slot features will help you pinpoint slots you’re most likely to enjoy based on your own preferences.
Free Spins: Extra spins at no cost
- Can still win real money
- Cannot be used on any other slot
Wild Symbol: Switches out for other symbols in game
- Boosts odds of winning combos
- Sometimes comes with multipliers, expanding wilds, and other perks
Scatter Symbol: Can trigger bonus features
- Sometimes act as multipliers to boost prizes
- Help to form winning lines
- Pick-Me Bonus: You get to choose bonus
- Can unlock multiplier symbols
- Also known as a picking bonus
Bonus Wheel: Random wheel layered with prizes
- Can include cash, free spins, and multipliers
- Instant win
The Best Bonuses for Online Slots
You may look for bonuses when comparing the best online slots in Ireland. Not everybody is a bonus fan; they often come with wagering requirements. But if you don't mind, a bonus can increase your playing time at the casino without reducing your bankroll.
Here are three of the most popular slot game bonuses:
Best Software Providers at Online Slots Casinos
Some of the best online casinos in Ireland pack in dozens of software providers, with some of them individually bringing hundreds of games. That's a lot of options.
To help you narrow it down, it's helpful to know which software providers are considered the best in the industry.
NetEnt
- Hosts many of the best online slots around
- Creators of Starburst and Gonzo’s Quest
- Well over 200 games in their catalogue
Microgaming
- Offer some of the biggest jackpots in games like Mega Moolah
- Giant catalogue of 600+ slot games
- One of the best providers in the industry
Nolimit City
- Offers something completely different to other slot game providers
- Unique and controversial slot games such as Mental
- Re-watch your big wins on their dedicated fan page
Blueprint Gaming
- Exclusive, recognisable slots like The Goonies
- Large arsenal of 220+ games
- Includes Megaways jackpot slots
Real Money Slots vs Free Slots
They say nothing compares to the real thing, but that doesn't mean there aren't any advantages to playing free online slots in Ireland.
With such a huge number of slots out there, trying them for real money would be very costly. Free online slots give you a taste of the real game without putting any money on the line.
Of course, that also means you can't win any cash prizes. But you can switch over to real money whenever you feel like it.
If you've never experienced it, one frustrating aspect of free slot games is hitting a big win. Of course, your first wish is that you'd have been playing for real money! Yet it's important to remember that, when playing for free, you'd often make reckless bets that wouldn't occur while playing real money slots.
Here are the pros and cons of playing for real money:
Pros
- If you win, you’ll receive real cash
- Can unlock casino bonuses and loyalty points
- Experience the real thing
Cons
- Can be costly to play for real money
- Can mean more limited play/fewer games
Payment Methods for Online Slots in Ireland
It’s not the most exciting aspect when you’re looking for the best online slots, but payment methods actually have a significant impact on your experience. After all, there’s nothing worse than hitting a solid win only for the casino to drag out the withdrawal process.
Here are some of the payment methods accepted by the best online casinos in Ireland:
Traditional Payment Methods
Traditional payment methods generally include debit cards, credit cards, and bank and wire transfers. These tried-and-tested methods don’t always provide optimal deposit and withdrawal speeds, but many players trust them the most. You’ll find these at the majority of top online casinos.
Cryptocurrencies
For a time, cryptocurrencies were only available at a handful of online casinos, but they’re now increasingly common. Not only that, but some casinos in Ireland actively encourage crypto deposits by offering lucrative bonuses. As long as you’re knowledgeable and comfortable transferring crypto, crypto makes a great option for online casinos.
eWallets
Many players at the best online casinos use e-wallets such as Skrill, Apple Pay, and PayPal. These are digital options that make them perfect for an online casino. Withdrawals are speedy, and you can often receive your winnings on the same day. Plus, many digital wallets have ‘pots’ or similar features that make it easier to separate your gambling funds from your regular money.
Top Online Slots in Ireland Verdict
Online slots in Ireland give you a great variety of choices, not only themes, but game features, high RTP titles, and the best in fairness. You can play leading titles from the world's most famous developers and enjoy massive bonuses at top-rated slot sites in Ireland.
After reading our guide on the best online slots in Ireland, you should have an excellent idea of your options, what to look for, and where to find them.
On that final point, there are many great slot sites you can try to play the best slots online in Ireland, but for the sheer number of slots and providers, along with a generous welcome package, we recommend Jackpoty.
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How We Test and Review Online Slots
150+ Gambling Platforms Reviewed
1,100+ Games Software Tested
200+ Monthly Hours of Research
375+ Gambling Promotions Verified
The most attractive online slots have the biggest jackpots and special features. However, evaluating all aspects, including fairness and volatility, is essential.
At Techopedia, our in-house review process examines each aspect, ensuring unbiased and detailed slot reviews you can trust.
This Includes:
- Bonus features and special symbols
- Symbol payouts and jackpots
- RTP Percentage and volatility
- Betting options
- Game settings
- Software provider
…and more.
Read more about the detailed steps for testing and reviewing slots at Techopedia.
