Thunderstruck Slot

You have probably heard about the myth before, and maybe even watched his movie. Thor the hammer-wielding god of thunder, lightning, strength and protection of mankind brought to you in the form of a slot game thanks to Microgaming. Thunderstruck is a 96.10% RTP, 5 reels and 9 pay-lines online slot machine. We did have a bit of a debate when it came to the volatility of Thunderstruck, but the potential highest payout led us to strongly believe that this is a high volatility slot game. Now as for the theme, we are not exactly sure what Thor is trying to do here but since he is the protector of mankind, and the archetype of an honourable warrior, maybe he is trying to protect us from all of his enemies?

Design and Symbols

microgaming - thunderstruck - reels - casinogroundsdotcom The game takes inspiration from Norse mythology.

  • The higher value symbols on the reels are theme related and show a Gjallarhorn, a bolt of lightning, Asgard, Thor’s hand gripping a handle and last but not least Mjölnir.
  • The scatter symbol shows Tanngrisnir and Tanngnjóstr, the two rams that pull Thor’s chariot.
  • The wild symbol is Thor himself and every time he helps make a winning combo, that win will have a 2x multiplier. The wild can substitute for all other symbols except the scatter.
  • The lower value symbols are made up of the 9-A card symbols.

One of the great things about Thunderstruck is that the scatter symbol pays no matter where two scatter symbols land anywhere on your reel. Three or more scatter symbols will activate 15 free spins.

Special Features

The two main special features in Thunderstruck are free spins round and a gamble feature. We know that these might not be very exciting, but as a player, both of these should keep you entertained for quite a long time.

The Free Spins Feature

 Thunderstruck has a free spins round which is triggered by landing three or more scatter symbols anywhere in view.

  • Triggering these scatters will award 15 free spins with a 3x multiplier.
  • It is also possible to trigger additional spins during this round; all you have to do is land three scatters and you will get awarded another 15.

The Gamble Feature

 For every win in the base game and the free spins round, the player can choose to gamble that win by correctly guessing the suit or colour of a card.

  • Choosing the correct colour of the card will double your winnings and choosing the correct suit of the card will quadruple your winnings.
  • You can either keep guessing correctly five times and automatically collect your winnings, guess correctly and manually collect your winnings or choose incorrectly and lose all your winnings within that round.

Reviewers’ thoughts on Thunderstruck

The fact that Thor is basically the main character of this slot game will probably make people, like it did us, like Thunderstruck more. We have to admit that we got pretty bored waiting for the special feature to trigger, and we did not have that much time to experience it more than once. We also never got the chance to see a screen full of Thors, the highest paying symbol, so make sure to record your spins and post it on our forums if you do!

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Game Information


Game Features