RTPBOSS

Thunderstruck II

Microgaming2010· Norse mythology
Great Hall of SpinsWildstormRolling Multipliers
Return to player
96.65%
A legacy import · checked 2026-07-11
92%96% median99.5%
House edge
3.35%
Beats
91.8%
of tracked slots
Volatility
High
Max win
8,000×
Layout
5×3
Ways to win
243 ways
Hit frequency
Released
2010

— means the provider does not publish that figure; we don’t guess.

How Thunderstruck II compares

Thunderstruck II outpays 91.8% of the 2808 slots we track at 96.65%1.69pp above the 94.96% average of the 16 Microgaming slots we track. In expected-value terms, $100 through the reels costs $3.35. Microgaming rates it high volatility. The maximum win RTPBoss records is 8,000× the stake — a theoretical maximum.

Data status

Where each figure comes from and when we last checked it. We show provider-published values with their source, and flag anything unverified rather than presenting it as certified.

RTP
Source not yet documented· checked 11 Jul 2026
Max win
Source not yet documented· checked 11 Jul 2026
Volatility
Source not yet documented· checked 11 Jul 2026

How we source this · Source policy · Report an issue

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FAQ

What is the RTP of Thunderstruck II?

RTPBoss records 96.65% for Thunderstruck II (a legacy import), leaving the house a 3.35% edge over the long run. RTPBoss currently records one documented RTP value for this game. That does not prove other operator or regional configurations do not exist — check the in-game paytable at your casino.

How volatile is Thunderstruck II?

Microgaming rates Thunderstruck II as high volatility. High volatility points to a more uneven distribution of returns. It does not predict results or how often wins land.

What is the max win in Thunderstruck II?

Thunderstruck II has a recorded top multiplier of 8,000× (a legacy import). Treat it as a theoretical ceiling reached only rarely, not something to plan around.

Who made Thunderstruck II?

Thunderstruck II comes from Microgaming and hit lobbies in 2010.

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