Thunderstruck Online Slot

Date Updated:9 Sep 2019 Written by

This slot is more of an old school slot than what you would expect. It is one of those slots that you would call the classics of Microgaming. It has simple graphics, and the bonus features are limited. However, this does not affect the return of the game in any way. The Thunderstruck slot has an RTP of about 96%, and this should be sufficient for this kind of slot. To an extent, this slot has a decent amount of odds for a classic slot.

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  • Progressive Jackpot: No
  • Software: Microgaming
  • Paylines: 9
  • Reels: 5
  • RTP: 96.1%

If you want a fast-paced machine with a relatively high RTP and characters that reside in Asgard, then Thunderstruck by Microgaming is the perfect game for you. The game features a design that is simple yet functional, with fast spinning reels in a 5x3 format. The machine, which looks like a standard slot machine you can find in a land based casino, has a plain black background and drum music that helps set the tone of the game.

The controls of the game are simple enough to understand with some scrutiny. If you want standard slot machine gaming where you choose the number of active paylines, the number of coins you bet, and the amount that you bet, you can settle for the regular mode of this game. If you are up for a challenge and want to increase your winnings as well as activate the Auto Spin feature, clicking on the Expert button will give you this.

When you click the Expert button, you will be given the chance to launch 5 spins and 10 spins via the 5x and 10x buttons on the machine. You can also choose to launch Auto Play where you can customize your automatic spins. Another feature that is available when you enter Expert mode is the Gamble feature. You can choose to simply collect your winnings after a lucky spin or you can gamble the win for bigger prizes by clicking Gamble and choosing to either go for a Red or Black game or Pick the Suit game.


Since the game is centered on the god of thunder Thor, it is but natural that the symbols of this game are also centered on this theme. You will find symbols such as Mjolnir, Asgard, Thor gripping the hammer, lightning in the clouds, and Thor’s drinking horn on the reels. Also on the reels are other lower value symbols such as the numbers 9 and 10 and cards from Jack to Ace.

The god of Thunder himself is also featured as a symbol on the reels, and is the highest valued symbol as well as the Wild symbol in the game. Another symbol you want to aim for is the scatter symbol which is represented by two majestic rams. These rams trigger the Free Spins stage of the game which will give you the chance to rack up huge wins.


Thunderstruck has some of the standard bonus rounds you can expect from a standard 5x3 slot machine. One of these is the Free Spins bonus, which is dependent on the number of scatter symbols you get on a spin. Get 3, 4, or 5 scatter symbols on your reels, and you are rewarded with 15 free spins. If these rams appear again on your reels, you get more free spins.

Aside from free spins, you also get a multiplier when this mode is activated. All your wins during this mode is multiplied by 3. This will give you bigger chances of increasing the number of coins you have in the game, which in turn will help you extend your gameplay and enjoyment.