Online Slots – Best Slot Casinos for Ireland

The best online slot casinosThere are countless slot games on the market today. They come in many different shapes and sizes from a variety of software developers. This page gives Irish players a good insight as to what are the best types of slot machines you should be playing, as well as the best online casinos for these slot games.

Also, you will find the best slot games for each genre, giving you a hint which games providing high payout rate and long term winning chances. But first, let’s begin with a list of the best Ireland Slots Casinos.

Best Ireland Slots Casinos for 11/2022
Casino TestRatingCasino BonusAdvantagesProvider
Kassu Casino5/5up to 1,800€* Great software providers, Large welcome bonus,Many slots Visit
Playzee Casino5/5up to 1,500€* UK gambling license, Top-quality online slots, Lucrative bonus Visit
Jackpot Village Casino5/5up to 1,800€* 70+ game providers, 24/7 support, Real Money Slots Visit
Guts Casino5/5up to 100€* Great mobile casino, 24/7 support, Large slots library Visit
Dunder Casino4/5up to 250€* Great progressive jackpots, Strong live casino, mobile slots Visit
Energy Casino5/5up to 400€* Good welcome bonus, Wide-ranging slot games library Visit
Rizk Casino4/5up to 100€* Super design, Quality game providers, 24/7 Customer support Visit
Genesis Casino5/5up to 1,000€* Top-quality slot providers, Good live casino, Slot bonuses Visit
Boom Casino4/5up to 500€* Fast withdrawals, Play Slots with Real Money Visit
22Bet Casino5/5up to 300€* Quality game library, Numerous payment methods, 24/7 support Visit
* All bonuses are subject to specific terms and conditions of the respective provider. Click on “visit” to learn more about the bonus terms. Last updated on 26.01.2021 by Kate O’Brien

Our Top 5 Online Casinos with the best slot bonuses

Top 5 Slot CasinosPretty much every online casino will have some form of welcome casino bonuses on offer for new players. This is an incentive for people to sign up and is a great way for players to start their new account. A lot of these welcome bonus offers will have deposit bonuses and/or free spins for some of the best online slots.

After conducting extensive reviews of all of the leading online casinos, we have picked out the best casino welcome bonus offers:

1. Kassu: Best slot bonus offer

Kassu Casino Screenshot
Through our Kassu Casino review, we came across a great welcome bonus offer. This allows you to get bonus funds of up to €1,500 across your first few deposits. There will also be 300 free spins up for grabs as part of this offer. All of the bonus funds need to be wagered 40x before cashing them out. If you use Neteller or Skrill to deposit, you can’t get this offer.

Large deposit bonus
A lot of free spins
Fair wagering

2. Playzee: Welcome bonus funds up to 1,500€

Playzee Casino Screenshot
Playzee Casino also allows you to get welcome bonus funds of up to €1,500 across the course of your initial few deposits. You can also get 150 free spins, adding great excitement to your new account. As part of our Playzee Casino review, we discovered that you need to wager the bonus funds 35 times before cashing them out.

Huge welcome bonus
Tons of free spins
Fair wagering

3. Jackpot Village: 200% first deposit bonus

Jackpot Village Casino Screenshot
After looking at the welcome bonus offer when conducting our Jackpot Village Casino review, we found that you can get deposit bonuses of up to €1,800 over your first three deposits, as well as 95 free spins. This includes a 200% first deposit bonus up to €500, along with 50 free spins. All of the bonus funds and the deposits need to be wagered at least 40 times if you want to cash them out.

Deposit bonus
Free spins
Acceptable wagering

4. Guts Casino: Fair wagering requirements

Guts Casino Screenshot
The Guts Casino welcome bonus package sees you getting a 100% first deposit bonus up to €100. You also get your hands on 100 free spins for Book of Dead. After some investigating while doing our Guts Casino review, we found that both the deposit and bonus funds need to be wagered 35x before withdrawing them.

Large bonus
Plenty of free spins
Fair wagering

5. Dunder: 120 free spins for new players

Dunder Casino Screenshot
If you are creating an account with Dunder Casino, you will get a 100% first deposit bonus of up to €250. There will also be 120 free spins given to you as part of this deal, with 20 of these free spins being a no deposit bonus. As part of our Dunder Casino review, we discovered that the bonus and deposit funds need to be wagered 35 times before withdrawing.

Licensed Casino
No deposit free spins
Easy wagering

There may be a max bet you can place per spin and still contribute to the requirements, as well as a potential time limit in which you need to hit your targets. Certain payment methods (often Skrill and Neteller) cannot be used on certain platforms if you want to activate the welcome bonus.

Play Free Online SlotsYou will find some of the best online slots games at online casinos in Ireland. While most of these will be real money games like Roulette, the majority of them can also be played for free. There is no download needed to do so and you don’t even need to set up an account to play them for free. Here are the 10 most played online slot machines in Ireland today that can be played for free:

1. Book of Dead

Book of Dead
Book of Dead is a massively popular Play’n GO online slot that is simple, but effective. There are five reels and ten paylines on offer. There are free rounds on offer, as well as scatter and wild symbols. You can also access risk games in this title that has a 96.10% RTP.

RTP: 96.10%

2. Starburst

Starburst is perhaps one of the best online slots in the world today. While the gameplay has a simple premise and an arcade feel, it is a player favorite. This NetEnt title has a low variance and the gameplay is easy to understand and doesn’t require too much concentration.

5 Reels
RTP: 96.01%

3. Eye of Horus

Eye of Horus
Eye of Horus is a slot from Reel Time Games and it has an Egyptian theme to it. There is great music and beautiful graphics as part of this game. It also has a high RTP, which is always nice, as well as jackpots, many paylines, and great bonuses. It is a very rewarding game that is loved by many.

RTP: 96.31%

4. Gonzo’s Quest

Gonzo’s Quest
Another massively popular Slot is Gonzo’s Quest. Many free spins welcome bonus offers will give you free spins for this NetEnt Slotmachine. There are 20 paylines on offer, with free rounds and multipliers being key parts of the gameplay experience. The 3D graphics and innovative gameplay add to the potential to win large prizes, making it a favorite among a lot of online slot players.

RTP: 96,00%

5. Fishin’ Frenzy

Fishin Frenzy
This is another Reel Time Gaming title that has everything from bonus games to risk games and free rounds. The graphics are extremely vivid and everything is nicely laid out. There can be generous prizes and many different ways to get multipliers and access bonus events. This adds up to a very exciting slot.

RTP: 96.00%

6. Wolf Gold

Wolf Gold
Wolf Gold is a title from Pragmatic Play and is one of the developer’s most successful games to date. There are great bonuses and free spin features, with a nice payout also being triggered when you come across all of the moon symbols. With a medium variance, it provides a nice blend of everything.

RTP: 96.00%

7. Bonanza

Bonanza is undoubtedly the most successful Slotmachine from Big Time Gaming. With six reels and as many as 117,649 paylines, it stands out from the crowd. There is a great range of betting limits and a massive potential win of up to x10,000 your stake. While the color scheme is not too inspiring, the gameplay mechanics make up for it.

Free Spins
RTP: 96.00%

8. Cleopatra Plus

Cleopatra Plus
There are eight different levels as part of this IGT title. Along the way, you have the chance to win as many as 100 bonus spins in a single round, with 100x multipliers also being common. With a massive main prize on offer, this is the ideal online slot for all types of slot players.

Free Spins
RTP: 96.50%

9. Dynamite Riches

Dynamite Riches
This online slot has a mining theme to it, as you seek treasure far below the surface. There are numerous multipliers, reaching as high as 5,000x your stake. This Red Tiger Gaming title has a lower RTP than a lot of competitors, but it makes up for it with the exciting bonuses and multipliers.

RTP: 94.76%

10. Legacy of Dead

Legacy of Dead
Legacy of Dead is from Play’n GO and it has all sorts of opportunities for you to win free rounds thanks to expanding symbols. It follows the common Ancient Egypt theme and it has a high variance, as well as putting you in with a chance of getting a multiplier of 5,000x your bet.

RTP: 96.58%

Best Ireland Online Slots with high RTPs

Slots with high RTPsWhen you are playing the best online slots, you want to make sure that you are enjoying the gameplay, but you also want to maximize the return on your bet. To judge the potential payouts for a given slot, you look at its return to player percentage (RTP). This shows you the return you can expect from your stakes.

The games with the highest RTPs are not always the most popular as people play slots to enjoy the gameplay. Some of the higher RTP slots are a bit more boring and those that have lower RTPs but very exciting gameplay, bonus levels, and special effects. However, this is not the case for all high RTP slots and we have compiled a list of some of these leading options:

1. Dead or Alive 2 – 96.80%

Dead or Alive 2
Dead or Alive 2 is a high variance slot from NetEnt that has an RTP of 96.8%. The theme is a dusty desert town that has some great free spin features and a max win of 40,500x your stake. This is a favorite among online slot fans across the world.

2. Blood Suckers – 98.00%

Blood Suckers
Blood Suckers is from NetEnt and it has been on the market for quite a while. This is due to its popularity, as many players go back to it again and again. There are five reels and 25 paylines across the game that has a great RTP of 98%. While there is no potential for a huge win, there are plenty of chances to keep profiting along the journey.

3. Tut’s Twister – 97.10%

Tuts Twister
Tut’s Twister from Yggdrasil has an RTP of 97.1% and falls into the category of Ancient Egypt-themed games. There is a medium variance with some very rewarding features along the way. Tut’s Twister is one of the best games in this genre both for its high payout and exciting gameplay.

4. Jammin Jars – 96.83%

Jammin Jars
Jammin Jars is a title from Push Gaming that is cluster pays and collapsing reel slot. There is high volatility with this slot that has an RTP of 96.8%. The main attraction is the multiplier wilds that can drastically increase your winnings each and every round.

5. Razor Shark – 96.70%

Razor Shark
Razor Shark is another Push Gaming title and this slot game has tons of personality and unique looking graphics. With an RTP of 96.7%, the payout percentage is well above average, but do keep in mind that there is a high variance on offer. With multiples of up to 2,500x your stake on offer, this is certainly worth checking out.

6. Football: Champions Cup – 96.82%

Football: Champions Cup
While the theme of this game is a bit cheesy, there is some good gameplay to consider. With a medium variance, there can be some great rewards through this 96.82% RTP slot. The highlight of the gameplay is the free spins tournament that can reward you with an impressive number of free rounds.

7. Hooks Heroes – 96%

Hooks Heroes
This is a game for those riskier types of online slot players, with the mermaid theme giving you a chance to win a number of great multipliers with decent frequency. This NetEnt slot is a medium variance title that has plenty of action so you will never be bored.

8. Wings of Riches – 96.63%

Wings of Riches
Wings of Riches is very aesthetically pleasing and this NetEnt slotmachine has a simple gameplay system that goes along with it. While this might not be a game with a ton of replayability as the gameplay will become a bit repetitive over time, the 96.63% RTP is very enticing.

9. Kingmaker Megaways – 96.65%

Kingmaker Megaways
This game can be a bit slow-moving in the beginning, with no cascading wins being on offer. However, this Big Time Gaming title has a massive 16,807 paylines across its five reels. There is also the RTP of 96.65% to consider and some nice multipliers along the way.

10. Opal Fruits – 96.67%

Opal Fruits
Opal Fruits is a simple game that still manages to keep matters exciting. This slot from Big Time Gaming has an RTP of 96.75% and there are 5,625 different ways to win. The fruit/space theme brings something different to the table and is certainly worth checking out.

Jackpot Slots – Progressive Slot Machines

A lot of progressive jackpot slots have lower RTPs because there is a percentage of each bet going towards the big prize, as opposed to there being a lower chance of winning. Therefore, these types of games are still worth your while. Some progressive slots will have rules in place, in order to be in with a chance of hitting it big, such as investing the max stake per round. Here are three of the best jackpot slots that are on offer today:

1. Mega Fortune

Mega Fortune
Mega Fortune is one of the biggest progressive jackpot slots online in the world today. The jackpots will often be worth millions of euros and there are also the likes of free rounds and non-jackpot multipliers that keep you interested even if you are not winning the big payout. This NetEnt game is definitely worth trying out.

2. Mega Moolah

Mega Moolah
Mega Moolah is another notable progressive jackpot slot with record jackpots having been won through this game over the years. This included one victory that was worth more than €10 million. This is the most popular progressive jackpot slot in Ireland today, with this Microgaming title definitely worth checking out.

3. Hall of Gods

Hall of Gods
This is another NetEnt progressive jackpot slot that can be playable with as little as €0.20 and has a Norse mythology theme to it. There are three different jackpots on offer, with free spins, multipliers and expanding wilds all being a part of the gameplay. There are some massive wins up for grabs with Hall of Gods.

Fruit Slots

1. 7s Deluxe

7s Deluxe
This is one of the best fruit-themed games that comes with a twist thanks to the flaming 7s. Blueprint Gaming delivers a fun, simple, and clean slot. When there are limited bonus features, you are experiencing everything great about the early days of slot machines.

2. Sizzling 777 Deluxe

Sizzling 777 Deluxe
This is a very fast-paced fruity online slot that has a fun theme to it. Naturally, there are not any bonus features on offer, but players will still have an enjoyable experience. You feel like you are sitting in a casino in Las Vegas thanks to the graphics and sounds that are always at play with this slot.

3. Sweet Bonanza

Sweet Bonanza
Sweet Bonanza has a lot of win potential for a fruity slot. You can win as much as 21,100x your bet. While the gameplay is very basic and can become a bit repetitive, the free bonus levels add entertainment to proceedings. With some great multipliers, this is a more modern take on a classic fruity slot.

Top 3 Leprechaun Slots in Ireland

1. Rainbow Riches

Rainbow Riches
This Barcrest game is perhaps the most notable title in this genre. With an RTP of 95%, there is a medium variance, with max payouts of 500x your stake across the different types of bonus features. It is overall a rewarding and fun game that you will get tons of enjoyment out of.

2. Wild Wild Riches

Wild Wild Riches
Wild Wild Riches is a game from Pragmatic Play and it has a great RTP of 96.77%. There are 576 different paylines and the max win is 4,608x your stake. It takes a more traditional approach to the gameplay, with free rounds, wilds and multipliers all being built-in, but there are no bonus rounds.

3. Lucky Leprechaun

Lucky Leprechaun
This is one of the most colorful and bright games that you will come across. There are many different great features seen with this gameplay, such as two bonus rounds, stacked wilds, and plenty of chances to get your hands on free rounds. This Microgaming title is always near the top of the list for leprechaun games.

Best Novomatic Slots for Irish players

1. Book of Ra Deluxe

Book of Ra Deluxe
This game is often a part of many free spins offers, giving you the chance to get a leg up with your casino account. There are ten paylines across the five reels, with this title being a sequel of the highly popular original Book of Ra slot. This is definitely an improvement on the past title, with scatters, wilds, and risk games galore.

2. Sizzling Hot

Sizzling Hot
With a decent RTP of 95.6%, Sizzling Hot is a low volatility title that does have the chance of a big win. With five reels and five paylines, it is very similar to these types of slot machines you will find at land-based casinos. It is definitely a refreshing change from the usual graphics that you will often see.

3. Reel King

Reel King
Reel King is another simple Novomatic game that has 20 paylines across five reels. There are some classic graphics and sounds that will enhance the overall experience, as well as having a nice jackpot. There is medium variance and some great multipliers along the way when you play this title.

5-Reel Slots – Classic Slot machines in online casinos

1. Cleopatra

Cleopatra is one of the world’s most popular slots online, with this IGT game offering a multiplier of up to 10,000x. There are tons of ways in which you can get at least 15 free rounds. There is a decent RTP that adds to the great graphics and illustrations that make the gameplay experience nice and enjoyable.

2. Bounty Raid

Bounty Raid
Bounty Raid has a wild west adventure theme to it, with medium volatility. There is a decent range of payouts across this 10 paylines game. You are on the hunt for the wanted men in order to hit it big. This Red Tiger Gaming title offers free rounds and wilds across the gameplay.

3. Eastern Emeralds

Eastern Emeralds
You will find a high variance with this Quickspin title. With a large payout also on offer, there is plenty of excitement. There is a great range of betting limits with this slot and many greta wild multipliers to boost your payouts. For a game that looks great, the bonus features are equally as appealing.

How to play online slots

How to play online slotsOnline slots are massively popular and make up the bulk of the online casino game libraries that you will come across in Ireland. The games come in many different variations, with great themes and gameplay experiences being available. Here is a look as to how you can play the best online slots today:

Slots Online and their Main Features

Slot Software ProvidersWhen you are looking to play slots online, you need to find an online casino that has a good selection of different titles for a variety of developers. You can quickly launch these games in your browser or through a pop-up window. Random number generators will be used to determine the outcome of every spin and these games generally work the same way as real-life slot machines.

  1. Paylines: Paylines are the lines you will see across the screen when you have spun a slot machine. A payline is a specific pattern on the reels of the slot game that will determine if you are a winner. Different combinations will have different payouts. Some of the paylines will be straight lines, while others will be jagged. The number of paylines will range depending on the slot. Some tiles will only have 5 paylines, while others will have thousands.

  2. Free Spins: As part of online slots, there are often different ways during the course of playing that you can win free spins. These allow you to spin the slot without having to put any real money on the line. There are also regular online casino promotions that provide free spins to players.

  3. Scatter Symbols: Scatter symbols are certain symbols in an online slot that will have different attributes depending on what game you’re playing. Oftentimes, they will trigger a bonus feature, while in other games they might lead to multipliers or a substitution for another symbol.

  4. Wild Symbols: Wild symbols allow you to substitute this symbol for any symbol that you want. This allows you to make a winning payline. The only things you cannot substitute for with wild symbols are free spins, scatters, and other types of bonus symbols.

  5. Bonus Games: Many modern online slots have bonus games built into them. These can be triggered by the likes of scatter symbols and allow you to get access to exciting features like free spins and multipliers.

  6. Multipliers: Multipliers will multiply your bets by a certain amount and are a great way to boost your overall winnings. Sometimes they can be as small as 2x your bet or as high as 10,000x your bet.

Slots Software Providers – The best Slot Software Developers

Slot Software ProvidersA software provider creates the slot games that you are playing. Casinos work with these developers so they can give their players access to the best games around. These providers have a proven track record over many years of releasing top-quality titles. All of the leading providers are well-regulated, with all games being independently tested to make sure that they are safe and fair.

The better providers stand out thanks to innovative game features, great graphics and sound, as well as superb themes. These days, providers are now looking at the likes of 3D games and virtual reality titles. Here are some of the best game developers around today:


1. IGT

International Game Technology (IGT) was started all of the way back in 1951 when it was developing some of the first real-life slot machines. In recent years, it has used its expertise built up over decades to start developing online slots. Some of their best games are Noah’s Ark, Cleopatra, and Cluedo.


2. WMS

Williams Interactive (WMS) has a focus on classic games and has provided countless slot machines to land-based casinos over the years. It is now a part of Scientific Games and it provides a lot of creative games, such as Wizard of Oz, Amazon Queen, and Top Gun.


3. Edict

Edict places a focus on innovation, passion, and creativity when developing games. It is a German-based company and they always want to release games that are immersive and keep players coming back again and again. Some of the most popular Edict games include Queen’s Citadel, Age of Machines, and Random Joker.


4. Amaya

Amaya Gaming has a strong selection of online slots, with a focus on quality over quantity. There is a range of games from classic types to more modern superhero games. Some of the leading Amaya games include Emerald Isle, Pirate Treasure, and Zodiac Wilds.


5. NextGen

NextGen Gaming is one of the biggest game providers in the online casino space. The gameplay is always top-notch with creative graphics and innovative themes. They certainly have a track record of constantly delivering stellar titles. Some leading NextGen titles include Medusa, 300 Shields, and King Tiger.

Mobile Slots and Slots Apps

Mobile SlotsIn this day and age, mobile casino play is very important. People want to be able to play their favorite games while they are on the go and have access to the best mobile slots. You want a platform that is easy to use and has a good mobile library of games. You will come across casinos where you are able to download an app for Android and iOS devices to play these games.

❓ FAQs: Frequently asked questions regarding Slot Machines online

There are thousands of different leading online slots these days for Irish players to try out. Therefore, you will never get bored with the great selection. Over time, you may find that there are games from certain developers that you enjoy more than others, so you can focus on these games. We prepared a list with the best online slots for Ireland.

Yes, it is completely legal for you to play the best online slots in Ireland. There are platforms all across Europe that are licensed to operate in Ireland, with these online casinos having thousands of different games for you to check out. Most of these options also have mobile casinos, so you can be anywhere and still play these great games. You can find a list with the best Irish Slot Casinos here.

Online Casinos in Ireland offer new casino players a slot welcome bonus. Basically, new customers get bonus money which they can use for playing online slots. These Slot machine bonuses are tied to specific wagering requirements. We found Online Casinos with the best Slot bonuses.

If you are playing online slots using real money as the stake, then you will be winning real money. The only occasions when you will not be doing so if you are using free spins or bonus funds, as the winnings may need to be wagered a certain amount of times before cashing them out. There is also the option to play slot games for free, without putting any money on the line.

There are many great real money online casinos in Ireland today. Each option will have its own pros and cons associated with them. You need to find an option that has a good selection of casino games, a selection of payment methods, has a good reputation, and a great welcome package.

Progressive jackpot slots are like regular slots online but there is a jackpot attached to it that grows in size each time that a player places a bet on the game and the big prize has not been won. These can often reach millions of euro, meaning that life-changing sums are up for grabs.