7 Best Yggdrasil Slots at Online UK Casino Websites [2026]

If you’re on the hunt for the best Yggdrasil slots, you’ve come to the right place.

Yggdrasil Gaming is one of the most respected studios supplying UK casinos, with a catalogue now past 250 titles and new releases every month.

Which is exactly why choosing among them is hard.

We have picked the 7 best Yggdrasil slots and where to play them, with the RTP, the max win and the standout feature for each.

One thing to know before the list. Yggdrasil, like most studios, ships many of its games at more than one RTP setting, so the figure at your casino may not match the highest published one. Open the in-game info panel and check. This matters more here than on most pages, because the top game on this list swings nine percentage points depending on how you play it.

Here’s what we will cover:

• Top 7 Yggdrasil Slots at Online UK Casinos
• How To Choose a Yggdrasil Slot
• What RTP Actually Tells You
• Yggdrasil Slot Software Overview

Top 7 Yggdrasil Slots at Online UK Casinos

Let’s cut right to the chase.

#1. Jokerizer

Jokerizer looks like a fruit machine your grandad would recognise. It also has the highest RTP of anything Yggdrasil makes, and a catch you need to understand before you play it.

The 98.00% RTP only applies in Jokerizer mode, the game’s big bet mode. Play it in the standard mode and the RTP drops to 88.8%. That is a nine point swing on the same game – something to keep in mind!

How it works: any line win in the base game gives you the choice of taking the money or switching into Jokerizer mode, where spins cost a fixed 20 coins from your banked win. In that mode, two Jokers rather than three trigger a Mystery Win, worth up to 6,000 coins.

It runs on 5 reels and 10 paylines with medium volatility, so it is one of the gentler games here.

Our honest take: 98% is the best number on this page by a distance, but only if you actually use the mode that carries it. If you are going to play the base game and cash out, pick something else on this list instead.

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#2. Beauty and the Beast

Entering a spooky castle on a stormy night is never a good idea, unless the castle in question was built by Yggdrasil.

Beauty and the Beast carries a 97.1% RTP, the second highest in the catalogue and the highest here that does not come with conditions attached. Volatility is medium.

Land three or more rose scatters and you enter 10 free spins. During the base game, one of three servants turns up at random to help: the Butler nudges a reel one position up or down, the Chef synchronises the three middle reels, and the Maid drops 2 to 4 wilds into random positions.

There is also the Golden Bet, which is a stake increase rather than a bonus. Paying more per spin buys you Boost, which starts free games with two servant features instead of one, Nudge, which completes a triggering combo when you are one symbol short, or both together at the highest level.

Play Beauty and the Beast for free here, no deposit or account needed, or visit Genting Casino to play for real.

18+. Bonus and Full T&Cs apply. BeGambleAware.org

#3. Holmes and the Stolen Stones

Sherlock Holmes and Dr Watson working a jewel theft through a wet Victorian London, rendered in the studio’s usual style. It is the only game on this list with a progressive jackpot attached.

It runs a 5×3 grid with 20 paylines, a 96.80% RTP, medium volatility and a base max win cap of 1,680x your stake. The jackpot sits on top of that and fires at random during certain feature combinations.

The bonus is collection based. You gather magnifying glass symbols to fill the Detective Meter, which triggers re-spins with sticky wilds. Rusty keyholes open a warehouse pick round where you are hunting cash and diamonds while avoiding a smoke bomb, and golden keyholes award 10 free spins.

If you want a medium-variance session with a jackpot hook rather than a long grind, this is the pick of the seven.

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#4. Cazino Zeppelin Reloaded

A 1930s steampunk airship, cogs and crackling electricity, and the biggest win ceiling Yggdrasil has ever built into a slot. This is the 2022 remake of a 2015 original that capped out at 6,700x.

It runs a 5×3 grid with 20 fixed paylines and a 96.00% RTP at very high volatility. The maximum win is 41,572x your stake. Stakes run from 20p to £20 a spin, and the hit frequency is roughly one winning spin in three.

A note on that max win figure. Sources disagree sharply, with some listing 102,838x. We have gone with 41,572x because that is what Genting publishes for the UK build, and RTP is similarly split between 96.00% and 96.40%. Check the info panel at your casino rather than trusting any single number, including ours.

Everything runs through the wilds. Three or more zeppelin scatters award 10 to 20 free spins, during which wilds turn sticky and carry a multiplier that increases by 1 every time a new wild lands. Fill all five reels with wilds and you get extra spins on top. The Golden Bet option raises the cost of each spin by 25% and doubles your chance of triggering the free spins.

One thing to bear in mind about this one: very high volatility means long stretches with nothing between features!

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18+. Bonus and Full T&Cs apply. BeGambleAware.org

#5. Vikings Go Berzerk Reloaded

The Vikings series is Yggdrasil’s flagship franchise, and this 2021 remake of the 2016 original is the best entry in it.

It runs 5 reels and 25 paylines with a 96% RTP and a maximum win of 25,000x your stake, the highest of any game in the Vikings series.

Each win on a particular Viking fills their rage meter. Fill it up and that Viking enters Berzerk Mode, which means they always beat the Siren during the free games and turn into sticky wilds as a result. Additionally, wilds can also upgrade into Multiplier Wilds worth up to 8x.

Free spins start with up to 9 spins and two Vikings already in Berzerk Mode. Treasure Chests during the round award extra spins, sticky wilds, more Berzerk Vikings, or a doubled multiplier. There is also a random Ragnarok Spin that can fire in the base game and send the Vikings berserk without warning – scary!

The original Vikings Go Berzerk is still around and still good, but it caps out far lower. If both are in your casino’s lobby, we recommend the Reloaded version!

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18+. Bonus and Full T&Cs apply. BeGambleAware.org

#6. Valley of the Gods

Beautifully evoking the Ancient Egypt theme, Valley of the Gods starts as a 45 ways-to-win slot but can expand to pay in 3,125 ways. The RTP is 96.2%.

The grid begins partly locked. Blockers depicted as scarab slots sit over reel positions, and you have to clear them by winning. In a cascading manner, every win removes the participating symbols and replaces them with new ones, while releasing a scarab that takes out one blocker (and one blocker only!).

Once you have cleared all the blockers, winning scarabs change colour. Blue ones increase the multiplier and red ones win an extra life, which is a free spin on a losing re-spin, once you fill the Scarab Collection meters on either side of the screen.

The design is the reason it endures. – unlocking the full grid takes hard work, and the game certainly makes you feel it!

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18+. Bonus and Full T&Cs apply. BeGambleAware.org

#7. Dark Vortex

A cosmic slot built around sticky wild symbols, and the second biggest ceiling in the whole Yggdrasil catalogue.

The maximum win is 60,466x your stake, with high volatility. Only Cazino Zeppelin Reloaded pays more.

It sits here at number seven rather than higher for a reason. The ceiling is enormous, but everything else about it is quite ordinary, and a max win that large on a high volatility game means the average session usually doesn’t look much like the headline number. It earns a place in our top 7 Yggradsil slots because nothing else in the catalogue offers that potential and not because it is the best all-round game here, to say the least!

Play Dark Vortex for free here, no deposit or account needed, or visit ICE36 Casino to play for real.

18+. Bonus and Full T&Cs apply. BeGambleAware.org

How To Choose a Yggdrasil Slot

RTP is the obvious starting point but it is not the only thing worth looking at.

• Volatility. This decides what a session feels like more than RTP does. Holmes and the Stolen Stones and Jokerizer are medium. Cazino Zeppelin Reloaded is very high, meaning long dry spells punctuated by big hits. Neither is better, but they suit very different budgets, if you know what I mean.
• Max win. A large ceiling is not free. It is generally paid for with fewer and smaller regular wins, since the return has to come from somewhere.
• Payout type. Lines, ways, clusters or expanding grids all play differently.
• Theme. Yggdrasil’s production values are the reason most players pick them, so this matters more here than with most studios.

What RTP Actually Tells You

RTP, or return to player, is the percentage of all money staked that a game is designed to pay back over its lifetime. A 96% RTP means the game returns roughly £96 for every £100 staked across millions of spins.

What it does not tell you is what happens in your session. That figure is measured over a volume of play no individual will ever get near, and short-run results vary enormously either side of it. A higher RTP is a better deal over the long run, which is a real reason to prefer one game over another, but it is not a floor on what you get back and it will not stop a losing session.

Two practical points. Most studios ship the same game at several RTP settings, and operators choose which to run, so the number on this page may not be the number at your casino. And RTP tells you nothing about volatility, which is what actually determines how your balance moves.

Yggdrasil Slot Software Overview

Yggdrasil was founded in 2013 in Sliema, Malta, by Fredrik Elmqvist, who came from NetEnt. The company is now led by CEO James Curwen and has grown to more than 250 titles, with in-house output running at roughly 15 to 20 new games a year.

The studio holds a Category 2 B2B licence from the UK Gambling Commission, alongside licences from Malta, Gibraltar and the Isle of Man. All 2026 Yggdrasil games ship with the UK’s mandatory responsible gambling features built in, including net position displays that show what you have won or lost, and reality checks that tell you how long you have been playing.

What sets them apart is the mechanics. Rather than one signature feature, Yggdrasil has built a family of engines that appear across their own games and their partners’:

• GigaBlox drops oversized 2×2, 3×3 or 4×4 symbol blocks onto the grid.
• Splitz divides symbol positions into multiple copies, multiplying the possible win combinations.
• MultiMax runs a multiplier that does not reset between consecutive wins.
• DoubleMax doubles the win multiplier after every win.

The other unusual thing about Yggdrasil is its structure. Through the YGG Masters programme it publishes work from independent studios including Northern Lights, ReelPlay, Bang Bang Games, Peter & Sons, 4ThePlayer, Dreamtech and Reflex Gaming, all built on its GATI technology. A large share of what appears under the Yggdrasil name is partner output.

Awards include Software Rising Star back in 2015, GGA Best Online Slot in 2018 for Vikings Go Berzerk, and five Innovator of the Year wins at the IGAs.

One honest limitation. Yggdrasil is a medium-variance specialist rather than a high-volatility house. Average RTP across the catalogue sits at 95.99% with a median of 96.00%, and while that is solid, the max win ceilings top out well below what Hacksaw Gaming and Nolimit City offer. If you are chasing five-figure and six-figure multipliers as a rule rather than an exception, they are not the studio for you. If you want production quality and inventive mechanics, few do it better.

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Yggdrasil Slots FAQ

To top everything off, we've included a FAQs section to make sure you start your Yggdrasil adventures with all the information you could possibly need.

What is the best Yggdrasil slot?

Our number one pick for the best Yggdrasil slot is Jungle books.

With its combination of adventurous gameplay, familiar characters, and high RTP, this one is sure to please any slots fan.

Which Yggdrasil slot has the highest payout?

Wicked Circus has the highest RTP at 96.5%.

Do Yggdrasil slots have bonuses?

The bonuses will mostly depend on the casinos. Please refer to the table we provided above for the type of bonus each casino offers.

Can I Play Yggdrasil slots on mobile?

Yes! Yggdrasil games are designed to be compatible with both desktop and mobile devices. So feel free to play on the go!

Are Yggdrasil slots safe to play?

Yes, Yggdrasil slots are completely safe to play!

Like we said earlier, Yggdrasil Gaming is a well-respected game producer with a very good reputation. So there’s nothing to fear!

However, keep in mind that you should always check the reputation of the casinos you choose before making any deposits.