• Category Mobile Slots, Video Slots
  • Provider Microgaming
  • Reel Setup 3 Rows, 5 Reels, 9 paylines
  • RTP 96.10%
  • Game Volatility Medium
  • Bet Level €0.90 / €45
  • Rating 9 / 10
Release Date 05/01/2004


Casino:Karamba Casino

Review for Thunderstruck

One of the old-school slot machines provided by Microgaming. An astounding game that which has been ahead of its time. The mighty Thor and its hammer are taking the spotlights.

To begin with the technical details, Thunderstruck is a simple 9-liner on a 5×3 grid layout. Furthermore, the RTP percentage is 96.1%. Penny players can wager for as low as 18p on a spin. THOR is a wild symbol and substitutes everything except the SCATTERS. Additionally, any winning combination with a wild will double the winnings. The winning combinations are paid from left to right. “Thor’s hammer” and “Hand” symbols are equally important and award the highest payouts.


3, 4 or 5 SCATTERS will triger 15 free spins with 3x multiplier. The feature can be re-triggered upon landing additional 3 SCATTERS. The bonus game is played at the same wager size prior the start of the feature. To conclude, the SCATTER wins are added up in combination with any other wins that occur during a spin.


  • Suitable for penny players as well as high-rollers.
  • Free spins feature is quite decent.


  • Hit frequency could have been better.
  • The game is a bit outdated. However, it has been launched over 15 years ago so can’t really complain too much about this.

Thunderstruck Screenshots

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