Yggdrasil
Yggdrasil is a Swedish-founded slot studio launched in 2013, known for GEMs mechanics like DoubleMax and GigaBlox, titles such as Vikings Go Berzerk, and certified RNG under MGA and UKGC licensing.
Players who enjoy high-production slots built on reel-modifier mechanics such as GigaBlox and DoubleMax, plus occasional progressive jackpots, form the core audience for Yggdrasil titles at licensed casinos.

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Yggdrasil Casinos — Games, Fairness and Where to Play
Yggdrasil is a Swedish-founded slot studio established in 2013, recognised for its iSENSE 2.0 HTML5 platform and a family of proprietary GEMs mechanics such as DoubleMax and GigaBlox. Its portfolio of more than 260 video slots, progressive jackpots, table games and bingo titles reaches more than 500 casinos across 28 licensed jurisdictions.
Who Is Yggdrasil Gaming
Yggdrasil Gaming was founded in 2013 by Fredrik Elmqvist, who previously served as CEO of NetEnt. The company is headquartered in Sliema, Malta, with additional offices in Sweden and Gibraltar, reflecting its Swedish origin and Maltese operating base.
Yggdrasil holds licences and certifications across a wide regulatory footprint, including the Malta Gaming Authority (MGA), the UK Gambling Commission (UKGC), Gibraltar, Romania, the Isle of Man and Sweden, among other jurisdictions. This multi-licence structure is part of what allows its games to circulate through the more than 500 casinos noted above.
Yggdrasil Games and Signature Mechanics
Yggdrasil's catalogue spans video slots, progressive jackpot games, table games and bingo, built on the studio's own iSENSE 2.0 engine. The mechanic that sets the portfolio apart is the GEMs (Game Engagement Mechanics) family — DoubleMax, GigaBlox, GigaRise and Splitz — reel-modifier systems that change how multipliers or block symbols behave during a spin rather than simply adding a bonus round. This in-house approach differs from Big Time Gaming, which licenses its Megaways engine out to other studios, or Nolimit City, which builds its identity around high-volatility feature toggles; Yggdrasil keeps its mechanics proprietary and reuses them across its own new releases.
Recognisable titles include Vikings Go Berzerk, Valley of the Gods, Joker Millions, Empire Fortune and Holmes and the Stolen Stones, alongside 10,000 BC 2 DoubleMax, a slot built around the DoubleMax reel-modifier system named in its title. The studio's four consecutive Innovator of the Year awards at the International Gaming Awards, most recently in 2023, are tied largely to this mechanic-first design philosophy. Across the casinos in our catalogue that list these titles, the editorial rating typically sits around 4.8, though it can fall as low as 3.6 depending on the operator — the same game being available does not carry the same trust profile from one casino to another.
Yggdrasil RTP, Volatility and Fairness
Yggdrasil does not publish one uniform RTP figure across its portfolio: each title carries its own theoretical return, disclosed in the game's own paytable, and that figure is a statistical average over a very large number of spins, not a short-session guarantee. Volatility also differs by game — some Yggdrasil slots, including entries built on the GigaBlox and Splitz mechanics, are positioned as higher-volatility titles with less frequent but larger wins, while others sit closer to a standard payout profile.
Fairness is backed by certified random number generators, independently and recurrently audited, and by the studio's regulatory footprint under the MGA and UKGC among other authorities.
Yggdrasil holds ISO 27001 certification, obtained in 2021, covering its information-security management alongside the game-specific RNG audits.
Where to Play Yggdrasil Slots
The casino selection above this article lists operators from our catalogue that carry Yggdrasil's slots and jackpot titles, including Arkada Casino and Trickz. In our tracking, 82% of the casinos linked to this provider carry our top trust tier, so the shortlist above has already passed a baseline reliability check, though each operator's licence and current terms are still worth confirming individually before depositing. Yggdrasil's HTML5-based iSENSE platform is built for cross-device play, so most of the operators above also work through our Mobile Casinos selection.
Bonus terms attached to these casinos vary: across active offers in our bonus tracking, wagering requirements typically land around x26, though some promotions carry as little as x1, and roughly 239 of 577 tracked bonuses include free spins — worth comparing before opting into a deposit bonus tied to Yggdrasil slots. Readers comparing overall reliability across brands can also start from our Trusted Casinos hub.
- Provider filter: confirm Yggdrasil appears in the casino's own game-provider list, since coverage varies by operator.
- Licence: check which authority covers the casino, such as MGA or UKGC, before depositing.
- Region availability: some Yggdrasil titles are restricted in specific markets even when the operator lists the provider.
- Demo mode: verify whether the casino allows practice play before wagering real funds.
Common Misconceptions About Yggdrasil Slots
- "Hot" or "cold" slots — each spin on a certified RNG title is independent of the last; no streak of losses or wins changes the odds of the next spin.
- RTP as a short-session promise — the published RTP is a theoretical average calculated over millions of spins, not a target a single play session will reach.
- Bigger reel-modifier mechanics guarantee bigger wins — GEMs features such as GigaBlox or Splitz change the mathematical model of a spin, they do not raise the probability of a win occurring.
- Every casino with Yggdrasil in its lobby offers the identical library — regional licensing and individual operator agreements mean the exact title list can differ from one casino to another.
Verdict on Yggdrasil
"Yggdrasil suits players who want mechanic-driven slots with a traceable regulatory history, not a promise of faster or bigger wins."
Yggdrasil's value sits in its proprietary GEMs mechanics and its multi-jurisdiction licensing rather than in any single flagship title. Players who enjoy comparing reel-modifier systems across studios, and who read each game's own RTP and volatility figures rather than relying on a portfolio-wide number, get the most out of this catalogue; players looking for one flat RTP figure across the whole studio will not find it published that way.
Gambling is entertainment, not a way to make money or fix finances. Set deposit and time limits, take regular breaks, and use self-exclusion tools if play stops feeling like fun. Licensed operators provide these tools — using them is a sign of control, not weakness. Learn more on Responsible Gambling →
Update history
- Aug 3, 2026 — Added studio background, GEMs mechanics, verified titles, fairness detail and where to play
Yggdrasil – FAQ
In which casinos are Yggdrasil slots available?
Yggdrasil's slots and jackpot titles are distributed to more than 500 casinos across 28 licensed jurisdictions, including operators such as Arkada Casino and Trickz in our catalogue.
What is the typical RTP for Yggdrasil games?
Yggdrasil does not publish one RTP figure across its whole portfolio; each slot lists its own theoretical return to player in its paytable, and that figure is only meaningful as a long-term average, not a short-session guarantee.
Who audits Yggdrasil's games for fairness?
Yggdrasil's games run on certified random number generators that are independently and recurrently audited, and the studio also holds ISO 27001 certification, obtained in 2021, for its information-security management.
What are the most popular Yggdrasil slots?
Recognised Yggdrasil titles include Vikings Go Berzerk, Valley of the Gods, Joker Millions, Empire Fortune, Holmes and the Stolen Stones and 10,000 BC 2 DoubleMax.
How does Yggdrasil differ from other slot studios?
Unlike Big Time Gaming, which licenses its Megaways engine to other studios, Yggdrasil keeps its GEMs mechanics — DoubleMax, GigaBlox, GigaRise and Splitz — proprietary and reuses them across its own new releases, a strategy that earned the studio four consecutive Innovator of the Year awards at the International Gaming Awards.









