Overview
Norse mythology slot with four progressively-unlockable free spin tiers in the Great Hall of Spins.
How It Plays
Thunderstruck II uses a ways-to-win engine rather than fixed paylines. With the 5x3 layout, there are 243 ways — meaning any matching symbols that land on consecutive reels from the leftmost reel pay out, regardless of which row they occupy. No payline patterns to memorize: if you see the same symbol line up on adjacent reels, it's a win.
Key Features
- Great Hall of Spins: a distinctive gameplay feature of this slot. See the in-game info panel for full rules.
- Wildstorm: a distinctive gameplay feature of this slot. See the in-game info panel for full rules.
- Multipliers: multiply any win they contribute to by a set or escalating factor.
Return and Volatility
The flagship RTP of 96.65% is in line with the industry standard of around 96%. That means over millions of spins, the game theoretically returns 96.65 units for every 100 wagered. Individual sessions can deviate wildly from this average — this figure is a long-run statistic, not a guarantee for any given play session.
Thunderstruck II is classified as a medium volatility profile — the balanced middle ground. Expect regular small wins, occasional meaningful payouts, and a bonus round that can produce both modest and strong returns.
Max Win Potential
The maximum payout on a single session is capped at 8,000x. A moderate ceiling that reflects the game's more balanced volatility. Realistic big-win sessions usually land well short of this cap, but regular meaningful wins are more reachable.
Demo and Real Money
Like most Microgaming titles, Thunderstruck II is typically available in both demo and real-money modes at licensed casinos. The underlying math is identical in both — the RNG, symbol weights, RTP and volatility are shared. The only differences are the use of fictional credits in demo, and that progressive jackpot networks (if the game connects to any) can only be won with real wagers. For more on this distinction see our demo vs real money guide.
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