by Microgaming

Inspired by Norse mythology, Thunderstruck follows the adventures of Thor as he tries to find the hidden treasures amongst the lightning. Thunderstruck is now a cult classic amongst the slot community and is still one of the most popular slots even amongst modern players.

There are free spins available that come with multipliers of x3 for even bigger wins. You can hope to win up to 30,000x your stake with the God of thunder on your side.

Slot information

RTP: 96.10%
Volatility: Medium
Max Payout: 30,000x stake
Reels: 5
Paylines: 9
Jackpot: No
Min Bet: 0.09
Max Bet: 90.00
Themes: Mythical, Viking
Series: Thunderstruck
Release Date: October 2003

Our rating

“ Thunderstruck delivers with some shockingly wonderful wins! ”

3.7 out of 5

Win potential

Play Thunderstruck

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Thunderstruck Screenshots

Thunderstruck Features

Whilst there may not be a huge amount of features in Thunderstruck, the ones that are here provide incredible assistance towards big wins. The free spins feature for example can be triggered by collecting 3 or more bonus rams to trigger the feature. You can win up to 15 free spins and all wins are tripled during this feature.

This slot also features Thor acting as a wild symbol and any win with this symbol in will double your win. It substitutes all other symbols except the scatter.

Thunderstruck - Free Spins

Free Spins

Landing 3 or more bonus rams on the reels will trigger 15 free spins. Not just that, but all the wins during this mode will be tripled for even bigger wins!

Thunderstruck - Thor Wild

Thor Wild

Any win with the Thor symbol will act as a wild symbol and double the win! Thor substitutes all other symbols - except the scatter.

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Thunderstruck Review

In Norse mythology, Thor is the God associated with lightning, thunder and storms. He is a brawny and honourable warrior that is known amongst the different realms. Microgaming decided that he's the perfect candidate to base a power slot game on and thus Thunderstruck was born.

Playing on 5-reels with 9 paylines, this mythical slot features free spins and wilds that have multipliers attached to increase your score even more. See if you have the luck of the Gods on your side with Thunderstruck.


The reels are in the clouds of a lightning storm - which is befitting for the God of lightning and thunder. In the middle of the screen, you'll find the reels along with the symbols attached. The images look traditionally cartoonish with clear and simple designs that just work.

Sadly, neither the background nor the symbols animate - but this was uncommon when the slot released in 2003. Despite this, the images look decent enough to deliver a good looking slot.

Unfortunately, the sound design is a little lacking with only rumbles of thunder throughout the spin. Aside from that, there is little sound or music played throughout the slot.


Thunderstruck is undemanding and effortless to play through as there are literally 6-reels and 9 paylines throughout. On top of that, you only really have two features to understand - so all you need to focus on is spinning and hopefully winning.

The spin button is to the bottom right with the bet level just to the left of it. At the left-hand side of the reels, you'll notice another menu that leads to paylines and further settings for this slot.

Win Potential

There's the chance to win up to 30,000x your stake and this comes from filling the reels with a Thor wild during the free spins round. Thunderstruck also has a decent RTP of 96.10% which is just over the average standard with a medium volatility level.

Our Verdict

It's easy to see why Thunderstruck has been a fan favourite, despite being released in 2003. The gameplay is entertaining enough to provide some solid wins and the multipliers during the features improve the gameplay even more.

There's no denying that Thunderstruck is an incredible slot with brilliant win potential - and that's what it's all about. With a fantastic RTP and a payout of 30,000x your stake, you'd be a fool not to try out Thunderstruck.

Sam Gascoyne
Reviewed by Sam Gascoyne Last updated on

A keen sports bettor, Sam took his first foray into the world of online slots when Bonanza Megaways caught his eye, he’s never looked back since! He joined the team in 2019 and has developed an encyclopedic knowledge of online slots, he isn’t afraid to voice his honest opinion when reviewing new games, even if it does ruffle a few feathers.

Learn more about Sam here

Play Thunderstruck

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