Best UK Mobile Casinos to Play Thunderstruck II in 2025
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Thunderstruck II Slot Expert Review 2025 for UK Players
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Key Features
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Return to Player Percentage:
96.65%
The percentage of all the wagered money will this slot machine pay back to players over time.
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How Many Reels:
5
The number of reels this slot game has.
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How Many Paylines Are Available:
243
How many paylines are available?
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Minimum Wager:
0.30
The minimum amount of money you can bet on this slot game.
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Maximum Wager:
£30
The maximum amount of money you can bet on this slot game.
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Maximum Payout:
2.4 million coins
What is the maximum this slot game can payout?
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Can You Play For Free:
Yes
Do online casinos make this slot game available for free?
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Are There Bonus Rounds:
Yes
Does this slot game extend bonus rounds and/or free spins to players.
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Progressive Jackpot:
No
Is this slot game a progressive or part of a progressive jackpot network?
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Compatibility:
Mobile + Browser
Which devices this slot game be played on?
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Return to Player Percentage:
96.65%
What is Thunderstruck II
Thunderstruck II is a 5-reel, 243-ways-to-win slot from Microgaming with a 96.65% RTP, wild symbols, and up to 25 free spins with a 4x multiplier. Inspired by Norse mythology, it immerses UK players in Asgard with hand-drawn symbols, 3D visuals, and epic soundtracks.
The game also features wild substitutions for bigger combinations, bonus rounds across nine levels, and jackpots reaching millions. Its cinematic graphics and mythological theme make it one of Microgaming’s most enduring titles for UK slot players in 2025.
If you’re ready to play Thunderstruck II, we recommend trusted platforms such as 888casino, ensuring safe gameplay and top bonuses for UK players.
Thunderstruck II Screenshot
Pros and Cons
Pros
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243 different paths to winning – perfect for beginners -
Magnificent story and accompanying Norse mythological visual design
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Great gameplay progression that rewards players in longer sessions
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Potential for big wins through small bets
Cons
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Some special features are lacking a big payout
Play Thunderstruck II for Free
Thunderstruck II is available in FreePlay mode, letting UK players experience the game without risking real money. The demo version includes all the key features, free spins, WildStorms, and Thor’s hammer, so you can learn the mechanics before playing for cash.
Platforms such as Casino Lab offer the free version, making it easy to practice, understand symbol functions, and see how bonus rounds boost payouts. Trying the demo first is the safest way to master the game before switching to real money play.
How to Play Thunderstruck II
Playing Thunderstruck II is simple. Once you load the game, set your coin value and bet size, then hit spin to start. The slot uses a 5-reel layout with 243 ways to win, so combinations can land in multiple directions. Key features include wild substitutions, free spins, and the powerful WildStorm bonus that can turn entire reels wild.
This streamlined setup means new players can quickly get started, while experienced slot fans will appreciate the variety of features that boost payouts.
Strategies for Winning at Thunderstruck II
Thunderstruck II relies on smart play rather than luck alone. To improve your chances, focus on two key strategies that maximize returns.
- Target Free Spin Bonuses
Landing three or more Thor’s hammer symbols unlocks bonus rounds with multipliers up to 5x. Building your play around these features is the most effective way to boost payouts. - Use Autoplay Wisely
Autoplay keeps spins running automatically, helping you chase free spins or bonus triggers without manual errors. It’s a simple way to extend sessions and stay consistent with your betting strategy.
FAQs
Unfortunately, there are no progressive jackpots on Thunderstruck II at this time.
The standard max bet size on Thunderstruck II is £30, though we have seen it at £15 on some sites.
Thunderstruck II has over 11 symbols in play, including Loki, Thor, Thor’s Hammer, Valhalla, Valkyrie, and Odin.
