Highest paying slots in Iceland 2026

Top 10 Best Slot Machines with the Highest RTP:

Top 10 Most Profitable Online Slots:

Here you will find a brief overview of our top 10 online slots. For each selected slot machine, our slot testers have written a review and specified the Icelandic online casinos where the experience is most enjoyable.

Book of 99

• RTP: 99%
• Volatility: high
• Play here : Vegazone

Book of 99 is undoubtedly one of the most generous slot machines, with an impressive RTP of 99%. This flagship title allows you to aim for a maximum win of 12,075 times your stake.

With Book of 99, you considerably increase your chances of winning while taking advantage of the bonus features added by publisher Relax Gaming. This slot offers a captivating gaming experience and immerses you in the world of ancient Greece.

Marching Legions

• RTP: 98.12%
• Volatility : high
• Play here: Slotbox

Nolimit City has already hit hard with Book of 99, our number 1 RTP. But Marching Legions has absolutely nothing to be ashamed of: with an impressive RTP of 98.12%, it fully deserves second place in our ranking. What's more, it's a very fun slot machine, driven by an original atmosphere and quirky-looking Roman legionaries.

Jackpot 6000

• RTP : 95 - 98.86%
• Volatility : high
• Play here : Spinlander

Jackpot 6000 is a nostalgic online slot inspired by classic fruit machines. It plays on three reels with five paylines (three horizontal, two diagonal), and every winning combination pays out more than the stake. The wild card is the most valuable symbol.

The game includes a heads or tails mini-game to double any win, though a wrong guess loses the payout entirely. The Supermeter feature lets you chase the €6,000 maximum win more easily, requiring only two jokers instead of three.

The base game RTP is 95%, while the Supermeter pushes this up to 98.86%.

Steam Tower

• RTP: 98.02%
• Volatility : medium
• Play here : Kingmaker

Steam Tower from NetEnt is an adventure slot that transports players back to the 19th century, the age of steam engines and brave heroes. With an impressive RTP of 98.02%, this slot offers great winning chances. Volatility is medium, which means you can expect more regular payouts, with the occasional bigger win.

The maximum payout reaches 2,000 times your stake, which is still very attractive. The theme is immersive: you play as a hero tasked with rescuing a princess trapped in a tower. The graphics are polished and the soundtrack perfectly matches the game's atmosphere.

Money Cart 2 

• RTP: 98.00%
• Volatility : high
• Play here : Wild Tokyo

Money Cart 2 is chaos in the best sense of the word 🔥. With its Wild West-style steampunk ambience and 98% RTP, this slot has all the makings of a gem for those who dare to throw the spins. The respin feature segues into non-stop action with multipliers, collectors and snipers boosting winnings 💥. Tension mounts with each new reel that unlocks. One thing's for sure: this isn't just another slot machine, it's an adrenaline shot between metal and gunpowder. 💰🤠

Rainbow Riches Pick 'n' Mix

• RTP : 98.00%
• Volatility : high
• Play here : Casinova

Rainbow Riches Pick 'n Mix by Barcrest is a warm, dynamic slot with an Irish theme. Its RTP reaches up to 98.00% depending on the bonuses chosen, and its high volatility ensures a balanced experience, with regular payouts. The maximum payout reaches 500 times your stake, providing a welcome dose of adrenaline.

What makes this slot unique is the ability to choose your own bonus features. You can select from five different bonus features, such as Road to Riches or Pots of Gold, for a truly personalized experience. Play Rainbow Riches Pick 'n Mix at Casinova and enjoy its colorful, fun features!

Blood Suckers

• RTP: 97.99%
• Volatility : low
• Play here : CleoBetra

With its low volatility and high RTP, Blood Suckers clearly deserves its place among the most profitable online slots. It's no coincidence that this horror-themed NetEnt title is one of the most popular: it's also appreciated for its simple, effective handling.

You play on a classic grid of 5 reels, 3 rows and 25 paylines. Thanks to Wild, Scatter and bonus symbols, you can trigger free spins that can prove highly lucrative. The Wild symbol (a vampire biting a young woman's neck) can boost winnings up to 7,500 times the stake. The game also features a bonus that increases your winnings between rounds.

And to top it all off, Blood Suckers also has a progressive jackpot!

Big Bad Wolf

• RTP : 97.34%
• Volatility : high
• Play here : ibet

Big Bad Wolf from Quickspin Gaming is an award-winning slot that appeals to many players thanks to its instantly recognizable theme. We've all grown up with the story of the Big Bad Wolf and the Three Little Pigs. What makes this slot really interesting is its high RTP of 97.34%: few slot machines boast such a rate, which is a real advantage for players.

Big Bad Wolf is a rather volatile slot machine, with a maximum payout of 1,300 times the stake. Its wide betting range also means you can aim for generous winnings, whatever your budget. What's more, you can play it anywhere and anytime on mobile, via your browser or one of the Icelandic casino apps.

Beyond the potential winnings, the game offers a fun and immersive experience. As in the fairy tale, the little pigs rebel and confront the wolf. Cascading reel mechanics accompany the action, and when you collect enough moon symbols, you trigger free spins as well as bonus features where the wolf blows away the houses. When played according to its rules, it can even activate a x2 multiplier.

Beware the Deep Megaways

• RTP: 97.47%
• Volatility: High
• Play here: BetRepublic

Beware the Deep Megaways by Iron Dog Studio is a thrilling slot with an underwater theme. With an RTP of 97.47% and high volatility, this game is all about tension and the potential for big wins. The Megaways mechanic offers up to 117,649 ways to win, making each spin particularly captivating.

The slot incorporates several features, such as cascading reels, free spins and progressive multipliers. These mechanics maintain the suspense and multiply the opportunities to land great rewards. Play Beware the Deep Megaways at BetRepublic and immerse yourself in this underwater universe for a chance to win impressive payouts!

Gates of Olympus

• RTP: 96.50%
• Volatility: High
• Play here: bitStarz

Gates of Olympus from Pragmatic Play is a captivating slot with a mythological theme. With an RTP of 96.50% and high volatility, this title offers a high payout potential, up to 5,000 times your stake. Its divine atmosphere and polished graphics also make it a visually pleasing game.

The game offers several features, including multipliers and free spins, which heighten the tension on every spin. During free spins, multipliers can climb up to x500, which can lead to some truly spectacular wins. Play Gates of Olympus at bitStarz and let the power of the gods sweep you away in this intense gaming experience!

What does RTP mean?

RTP stands for Return To Player. It is also referred to as the payout percentage. This is a technical metric used to analyze the percentage of bets that a slot machine returns to players over the long term.

RTP data can usually be found in the paytable of each slot machine available at an online casino. If you don’t see this information right away, you can often find it on the review page for that specific slot machine.

As previously mentioned, the RTP is a percentage calculated based on winnings over a long period. The higher this percentage, the more likely the slot machine is to pay out. Generally, a high RTP is considered to be a percentage between 95% and 98%. Slot machines with such a percentage are definitely worth trying. A lower RTP means it is an average slot machine. It is generally advisable to avoid slot machines with an RTP below 90%. It is important to note, however, that a high RTP is not a guarantee of a win. It does mean, however, that the chances of boosting your gaming account are significantly higher.

What is slot machine volatility?

Slot machine volatility, also known as variance, is another important factor to consider when trying to determine if you've found a high-paying slot machine. Volatility indicates how often a slot machine pays out and what the typical size of those payouts is. There are three main types of volatility:

• High : High-volatility slot machines don’t pay out often, but when they do, the winnings are usually large.
• Low : Low-volatility slot machines pay out very often, but the winnings are generally small.
• Medium : Medium-volatility slot machines strike a balance between the frequency of payouts and the size of the winnings. You can expect smaller, more regular wins as well as a larger payout from time to time.

Unlike RTP, volatility or variance isn’t always listed in the slot machine’s paytable. However, you can often find this information on specialized sites that review slot machines.

To determine which volatility suits you best, it’s important to consider what type of player you are.

• If you prefer a slot machine that pays out small wins frequently, then low volatility is probably right for you.
• If you’re aiming for big wins and are willing to play longer without frequent payouts, then high-volatility slot machines are a better choice.
• If you’re unsure, you can always opt for medium-volatility slots.

In summary, a slot machine’s volatility affects the frequency and size of payouts, and the best choice depends on your personal playing style and risk tolerance.

Casinos with the Most Profitable Slot Machines

The selection of slot machines at the best online casinos has grown significantly in recent years with the introduction of many new titles, and it continues to expand almost daily. Slot machines that previously often paid out a large number of small prizes have gradually given way to a large number of machines that pay out larger prizes, but less frequently.

In our guide to the most profitable slot machines, you’ll find not only a list of the most lucrative titles but also plenty of tips to help you navigate casinos to find the most lucrative slot machines.

While it is well known that the biggest wins are often found on progressive jackpot slot machines, famous for their life-changing prizes, there is also a simple method to assess whether a slot can be considered one of the best-paying online slot machines: just keep an eye on its RTP and volatility.