Yggdrasil
Yggdrasil is a Malta-based slot studio founded in 2013, licensed by the MGA and UKGC, audited by GLI and BMM Testlabs, known for DoubleMax and GigaBlox mechanics.
Yggdrasil's GEM mechanics — DoubleMax, GigaBlox, Splitz, MultiMax and GigaRise — reshape reels into variable-grid or multiplying formats; the better pick depends on volatility tolerance more than theme.
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Yggdrasil Casinos — Games, Fairness and Where to Play
Yggdrasil Gaming Ltd, founded in Malta in 2013, supplies video slots, table games, bingo and live casino content to licensed operators, and the studio's own site lists more than 450 games across its current portfolio. Two of those titles carry full RTP, volatility and mechanics data in this catalogue — 10,000 BC 2 DoubleMax and Vikings Go Berzerk — and this page works from those two, plus the games the studio names as popular, to show which of its slots fit which kind of player.
Who Is Yggdrasil Gaming
Yggdrasil Gaming Ltd is headquartered in Sliema, Malta, under founder Fredrik Elmqvist; James Curwen is the current CEO. Cherry AB, the Swedish gaming group, became majority owner of Yggdrasil on 16 April 2013, shortly after the studio's launch. Beyond Malta, the studio keeps offices in Sweden, Gibraltar and Poland, and its games reach operators across 24 countries, from Malta and the UK to Brazil and Mexico.
Yggdrasil's active licences span nine regulators, with the UK Gambling Commission and Romania's ONJN each covering two separate licences:
- Malta Gaming Authority — B2B Critical Supply Licence (Type 1 and 3), licence MGA/B2B/230/2012, issued 1 August 2018
- UK Gambling Commission — a Remote Casino Operating Licence and a separate Gambling Software Licence
- Gibraltar Regulatory Authority — Remote Gambling (B2B) licence
- Isle of Man Gambling Supervision Commission — B2B Software Provision Licence
- Swedish Spelinspektionen — B2B/Supplier licence
- Romanian ONJN — two Class 2 licences, covering software distribution and platform hosting
- Belgian Gaming Commission — Class E Manufacturers Licence
- Danish Spillemyndigheden — B2B/Supplier licence
- Hellenic Gaming Commission (Greece) — A1 Manufacturer Licence
Game fairness testing for Yggdrasil's titles sits with GLI, BMM Testlabs and QUINEL, and the studio holds ISO 27001 certification for information security management, awarded by Bureau Veritas in 2021.
Which Yggdrasil Slots Suit Which Player
10,000 BC 2 DoubleMax suits a player who tolerates long dry spells for a bigger return: it runs at a 94% RTP and high volatility, with Free Spins, Multiplier, Bonus Buy, Bonus Bet and Golden Bet features built around its DoubleMax mechanic, which doubles the top multiplier through the bonus round. A high-volatility, bonus-buy structure like this fits a bankroll built for variance, not a player looking for frequent small wins.
Vikings Go Berzerk suits a steadier player: it carries a 96.1% RTP on record, medium volatility and a top win of x4,000, built around Free Spins, Wilds, Sticky Wilds, a Pick Bonus round and symbol collection that feeds into respins. That medium-volatility structure with a tracked top win makes it a better match for a player who wants the bonus round to trigger more often.
For a player trying to recognise the studio's mechanics across a lobby, GigaBlox — the dynamic, expanding grid used in titles such as Giga Zombies GigaBlox — works differently from DoubleMax: the grid itself changes size round to round, rather than multiplying a fixed top win. Splitz, MultiMax and GigaRise sit in the same mechanic family but take their own approach, splitting symbols, stacking multipliers or escalating bet levels.
RTP, Volatility and Fairness in Yggdrasil's Slots
RTP (Return to Player) is a theoretical figure calculated over a very large number of simulated spins, not a promise for any single session, and volatility describes how far apart the wins land, not whether a game is due for one. Yggdrasil's own range in this catalogue runs from a high-volatility title at 94% RTP to a medium-volatility title at 96.1% RTP, which is enough spread to show that RTP and volatility move independently — a high RTP does not imply low volatility, and a high-volatility slot is not automatically a low-RTP one.
None of that changes what a volatility profile means for a session: a high-volatility game can still take a bankroll through a long run without a bonus round, regardless of how well-audited the game behind it is.
Common Misconceptions About Yggdrasil's RTP
One misconception is that the RTP printed for a slot is the same wherever it is played. Vikings Go Berzerk is released in more than one RTP version, with 96.1% as the version on record in this catalogue; the casino running the game chooses which version goes live, so the same title can return less at one operator than at another. Checking the in-game information panel before playing shows the version that casino actually runs, not a universal figure for the title.
Verdict on Yggdrasil's Slot Portfolio
Within this catalogue, Yggdrasil ranks 5th of 529 providers by the number of casinos carrying its games, sitting just behind Spinomenal (150 casinos) and Hacksaw (145).
Right below Yggdrasil sit Betsoft (141 casinos, typical RTP around 96.1%) and Booming Games (139 casinos, typical RTP around 95.6%), gaps narrow enough that the catalogue position says more about reach than about any one studio's games being stronger. That catalogue position is a different measure from the studio's own reported reach of more than 180 operators across 28 regulated markets, which covers its business outside this catalogue rather than the casinos tracked here.
When choosing between the two fully documented titles, 10,000 BC 2 DoubleMax and Vikings Go Berzerk, the practical distinction lies in volatility tolerance rather than theme, with the tracked top win for the latter reaching x4000.
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
- Nov 3, 2026 — New sections: Who Is Yggdrasil Gaming, Which Yggdrasil Slots Suit Which Player, RTP, Volatility and Fairness in Yggdrasil's Slots and 1 more; removed: Who Is Yggdrasil, Which Yggdrasil Games Suit Which Player, Yggdrasil's RTP, Volatility and Fairness and 1 more; 10 facts added, 10 no longer stated.
- Aug 3, 2026 — Added studio background, GEMs mechanics, verified titles, fairness detail and where to play
Yggdrasil – FAQ
What licences does Yggdrasil hold?
Yggdrasil Gaming Ltd holds licences from nine regulators, including the Malta Gaming Authority's B2B Critical Supply Licence (MGA/B2B/230/2012, issued 1 August 2018) and the UK Gambling Commission's Remote Casino Operating Licence, alongside supplier licences in Gibraltar, Isle of Man, Sweden, Romania, Belgium, Denmark and Greece.
Who audits Yggdrasil's games for fairness?
Yggdrasil's games are tested by GLI, BMM Testlabs and QUINEL, and the studio holds ISO 27001 certification for information security management, awarded by Bureau Veritas.
Is the RTP of a Yggdrasil slot the same at every casino?
Not always: Vikings Go Berzerk is released in more than one RTP version, with an RTP of 96.1%, and the casino running the game chooses which version goes live.
Which Yggdrasil games does the studio call popular?
Yggdrasil names Valley of the Gods and Vikings Go Berzerk directly among its popular titles.
What is Yggdrasil's flagship mechanic lineup?
Yggdrasil's GEM mechanics are GigaBlox, Splitz, MultiMax, DoubleMax and GigaRise, variable-grid and multiplying formats that each reshape a slot's reels differently, such as DoubleMax's bonus-round multiplier in 10,000 BC 2 DoubleMax.
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