Yggdrasil – A Guide To Slots, Mechanics and The Masters Platform
Yggdrasil – A Norse History
With its roots in Sweden, Yggdrasil was founded by the former NetEnt CEO, Fredrik Elmqvist in 2013, with ambitions to bring his wealth of industry experience to a new developer and create innovative experiences that would consistently raise the bar. Differentiating itself with high-end technology, Yggdrasil strives to deliver state-of-the-art gaming experiences in its own unique way.
As a slots provider, Yggdrasil prioritises quality over quantity and releases slots at slower pace in order to keep the standard high and to ensure these dynamic games leave a lasting impression on players. This proved a recipe for success for the studio as they found great success with slots like Raptor, Valley of the Gods and the Asian-themed Legend of the Golden Monkey.
Yggdrasil keeps its portfolio diverse and varied, but when players can’t get enough of certain slots, a follow-up, in the form of a sequel is only natural. This was the case with its 2015 release Vikings Go Wild which struck a chord with players prompting the release of numerous sequels like Vikings Go Bezerk. The slot series remains popular with players for its exciting features and is a staple across online casinos in the UK.
Yggdrasil remains best known for its proprietary mechanics, partuclalrly Gigablox and DoubleMax. Keeping things exciting these are constantly being reinvented with each new release incorporating the feature whilst adding subtle twists and changes.
In addition to its slots, Yggdrasil is best known for its Masters programme, bringing smaller yet innovative studios to a wider audience, many of which are firm favourites in the Fruity Slots community.
Best Yggdrasil Slots
We’ve reviewed nearly every Yggdrasil slot, which consistently rank among some of the best in the industry, boasting a portfolio that offers players a wide variety both in terms of themes and mechanics. Below we highlight our expert picks of the top Yggdrasil slots along with links to our full in-depth review of each.
Cazino Zeppelin Reloaded
Yggdrasil’s top steampunk-themed slot brings back a beloved favourite with enhanced visuals and significantly higher winning potential. Originally released in 2015, the game has been reimagined rather than just reskinned, offering a more sophisticated golden aesthetic while retaining its retro-futuristic steampunk charm. With 5 reels, 20 pay lines, and a max win of 41,572x, this high-volatility slot introduces sticky wilds with multipliers, which transfer to the Free Spins round. Players in the UK can take advantage of The Golden Bet feature which increases bonus chances at an extra cost. While it echoes Dead or Alive II in mechanics, Cazino Zeppelin Reloaded stands out with its refined style and thrilling features. It’s a must-try for fans of the original and newcomers seeking a high-risk, high-reward slot experience.
Golden Fish Tank 2 Gigablox
Golden Fish Tank 2 Gigablox revives a fan-favourite fishing themed slot with enhanced gameplay and Yggdrasil’s proprietary Gigablox mechanic. While staying true to the charm of the original, this sequel introduces oversized Gigablox symbols, Treasure Chests, and a Gamble feature for even more excitement. With 6 reels, 25 paylines, and a max win of 10,000x, this medium-high volatility slot offers a familiar yet upgraded experience. The Free Spins round brings customisable features, including Wild Fish, multipliers, and expanded reels. The Golden Bet option increases feature picks, adding another layer of gameplay. Yggdrasil has successfully built upon what made the original great while integrating its innovative mechanics. Nostalgic players will appreciate the familiar design, while newcomers will enjoy the engaging features and rewarding potential. If you loved the first Golden Fish Tank, this sequel is a must-try.
Vampire Riches DoubleMax
Vampire Riches DoubleMax is a spooky Halloween-themed release from Yggdrasil, set in a vampire-run New York under a blood moon. This high-volatility slot uses the thrilling DoubleMax mechanic, where multipliers double with every cascade, leading to potential wins of up to 25,000x. With 5 reels and 243 ways to win, the game features cascading symbols, Wilds, and a Golden Bet option that doubles your chances of triggering Free Spins. During the bonus round, the multiplier doesn’t reset, ramping up the excitement. This gothic-inspired slot is perfect for players who enjoy dark, high-risk gameplay with fang-tastic rewards.
4 Fantastic Vikings Go Fishing
4 Fantastic Vikings Go Fishing is an exciting blend of two fan-favourite slots, combining the fishing mechanics of 4ThePlayer’s 4 Fantastic Fish with the Viking battles of Yggdrasil’s Vikings Go series. The slot adapts features and mechanics from both sides to create the ultimate mash-up and set a precedent of collaborations between studios we hope continues with future releases. Featuring a 6-reel, 4,096-ways-to-win setup, players can hook impressive Cash Prizes, including four Big Game Prizes worth up to 5,000x. The Fighting Respin Bonus and Giant Squid Feature add thrilling unpredictability, making every spin engaging. With a 94% RTP, high volatility and 12,500x max win, it makes for one of the strongest instalments to both series.
Yggdrasil Partner? The Masters Platform Explained
Quite often, in our slot reviews, you’ll see us write that the studio is an “Yggdrasil partner”. This is because various smaller studios use its platform and develop games in collaboration with the provider. Yggdrasil’s platform empowers smaller studios by providing access to its operator network, advanced technology, and proprietary game mechanics, facilitating faster game development. Studios that are on its YGG Masters programme include the likes of 4ThePlayer, Reflex Gaming, Peter & Sons, Reel Play, and AvatarUX. In these partnerships, Yggdrasil equips these smaller studios with the tools, resources and market influence needed to positively scale up their operations.
Yggdrasil High RTP Slots
| Yggdrasil Slot | Highest RTP |
|---|---|
| Jokerizer | 98% |
| Tut’s Twister | 97.10% |
| Beauty & the Beast | 97.10% |
| Wilhelm Tell | 97% |
| 9k Yeti | 97% |
| Baron Samedi | 97% |
| Nitro Circus | 97% |
| Dark Vortex | 96.80% |
| Dwarf Mine | 96.80% |
| Mr Holmes and the Stolen Stones | 96.80% |
Highest Rated Yggdrasil Slots
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True GEMs – Yggdrasil’s Game Engagement Mechanics
While some slot developers capitalise on other studios’ licenced mechanics, such as Megaways, Yggdrasil has always opted to focus on its in house features. Yggdrasil’s Game Engagement Mechanics frequently appear across its portfolio which we’ve broken down below to give you an idea of how each of these work:
Gigablox – This mechanic sees reels expand which allow for oversized symbols, from 2×2 up to 6×6 to land on the reels, increasing the chance of creating a big win. It is one of Yggdrasil’s most well-known mechanics, appearing in over ten of the provider’s titles including the standout Fat’z Diner Gigablox slot. To find out more about this mechanic, read our Gigablox slots guide here.
Splitz – Splitz symbols land on synchronised reels and can split into up to eight identical symbols, massively increasing ways to win. The mechanic can be found in a number of Yggdrasil’s top slots including Syncronite Splitz.
MultiMAX – With this feature, each reel has its own multiplier, and these multipliers can stack or be applied together to increase total winnings. Appearing in games such as MexoMax! MultiMAX, Yggdrasil takes the mechanic up a notch by boasting persistent multipliers in the free spins.
GigaRise – This mechanic sees special symbols landing, causing reels to expand in height, adding more rows and increasing the number of ways to win. This can be triggered in slots such as Atlantean GigaRise where reels can expand up to eight rows high.
TopHit – One of the most recently launched mechanics is TopHit, offering exciting rewards by transforming High Symbols into Multiplier Wilds or adding extra Free Spins symbols. Demonstrated in games like Big Game Fishing TopHit, during the Free Spins, all TopHit enhancements remain active, increasing the potential for significant wins.
Fastpot5 – Found in games like Gold Frontier Jackpots FastPot5, this featued is triggered by collecting five keys of the same colour. These are then transformed into a gem and 10 free spins are awarded. During Free Spins, collecting five gems awards one of the five progressive jackpots.
DoubleMax – With this feature, each win triggers an increasing multiplier that doubles every time, leading to exponential payout potential. In games such as Raptor: DoubleMax, consecutive cascades from the tumble feature, cause the multiplier to increase, creating massive wins.
MultiJump – Here, multipliers of up to 5x move from symbol to symbol, applying to different ones with each spin or cascade. As showcased in games like Labyrinth of Knossos Multijump, these multiplier symbols can combine to create big payouts.
Wild Fight – A key mechanic within games such as Vikings Go Berzerk, certain character symbols engage in battles, and if they win, they turn into Wilds to increase payout potential.
DuoMax – Two independent multipliers are applied at the same time, often increasing after a cascade or win. This feature is found in titles such as Neon Villains DuoMax where left-to-right and right-to-left multipliers build up simultaneously.
Yggdrasil – Our verdict
Yggdrasil is a provider that thrives in its own lane, balancing quality craftsmanship with cutting-edge mechanics. Unlike studios that churn out reskinned slots or rely on generic formulas, Yggdrasil consistently delivers unique experiences through its proprietary Game Engagement Mechanics and distinct artistic direction. Whether it’s the oversized excitement of Gigablox, the cascading multipliers of DoubleMax, or the reel-expanding potential of GigaRise, the studio continues to push boundaries in game design. While its own slot output may have slowed in recent years, its focus on smaller, independent studios has brought some of the most talented and innovative emerging slot developers to the forefront, staying true to its original ambitions of boundary-pushing gameplay.
Complete List – A to Z of Yggdrasil Slots
If you’re looking to uncover a hidden Yggdrasil gem, our comprehensive list will help you explore your options.
