Thunderstruck II

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Thunderstruck II Overview

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    Thunderstruck II
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Thunderstruck II Slot Review

In 2004, Microgaming released the first slot game of its popular series - the original Thunderstruck slot that immediately became a legend. Thunderstruck II slot Microgaming released in 2010, as the second part of the previous game, a more sophisticated part, and offering even more bonus features. Surprisingly, Thunderstruck II hasn’t turned out as a failure, and became as popular. 

Thunderstruck II online slot is a 5 reels 3 rows game with 243 paylines. This makes slot Thunderstruck II of low to medium volatility, but the numerous bonus features will compensate for comparatively low wins. The available bet size varies from $0.30 to $60. The game features decent visuals and a nice relaxing soundtrack. 

Play Thunderstruck II slot online for free in the Practice mode to learn how all the numerous features work in it, before you start gambling for real money. Find out more about this game in this Thunderstruck II slot review. 

Thunderstruck II Online Features 

Slot Thunderstruck II is literally stuffed with all kinds of entertaining and rewarding bonus features you won’t find in many games. The bonus features include: Wilds, Scatters, Free Spins, Wild Magic, Wild Raven, Rolling Reels, and Wild Storm. Learn more about each feature further in this Thunderstruck II online slot review. 

As for game customization, of course the players can tune the music and sound effects, choose the size of the bet and coin value, and use Autoplay, and Quick Spin mode. 

Autoplay is a handy feature that allows spinning the reels several times - from 10 to 100 spins per portion - without the need to manually click the button every time. Autoplay can be stopped manually, or it can be stopped by the game according to the advanced settings - after reaching a certain level of loss, or win, etc. 

Quick Spin, on the other hand, shortens the time of the reels spinning, and shows the bet outcome faster. Quick Spin does not impact the outcome of the bet, because these are instantly defined by the remote Random Number Generator. However, if the player is more interested in winning rather than watching the reels spin, Quick Spin is a good option for them. 


The Wild symbol can substitute the majority of symbols in the game, in order to complete one of the numerous paylines which would otherwise be incomplete. Wilds help the player hit paylines more often, and win more as a result.  

Bonus (Scatter)  

The Scatter symbol is represented by Thor’s Hammer. 2, 3, 4, or 5 Scatters anywhere on the grid can bring a win from x1 to x200 of the initial bet. Also, 3, 4, or 5 Scatters unlock The Great Hall of Spins. 

The Great Hall of Spins (Free Spins) 

There are four types of Free Spins the player can get in The Great Hall of Spins. Each type also brings an additional bonus feature that is only available in the Free Spins mode. 

The Spins types are as follows: 

  • Valkyrie - grants 10 Free Spins, and all wins multiplied by 5. The feature can be retriggered for up to 20 spins maximum 
  • Loki - grants 15 Free Spins, and unlocks the Wild Magic feature 
  • Odin - grants 20 Free Spins, and unlocks the Wild Raven feature 
  • Thor - grants 25 Free Spins, and unlocks the Rolling Reels feature 

Wild Magic 

If the player gets 15 Free Spins activated by the Loki symbol, the Wild Magic feature is activated. During the Spins, Wild Magic symbol can land on the third reel, and it randomly transforms different symbols into additional Wilds. Thus, hitting a couple of paylines becomes more probable. 

Wild Raven 

During Odin's Free Spins, the Wild Raven feature adds raven symbols that randomly turn different symbols on the grid into x2 and x3 multipliers. If you get not one raven, but both ravens at a time, you get a x6 multiplier. 

Rolling Reels 

When the player gets a winning combination during Thor’s 25 Free Spins, the multiplier on the grid increases to x2. The next wins make it x3, x4, and eventually x5 multiplier as maximum. 

Wild Storm 

The Wildstorm feature is triggered in an absolutely random way. During this feature, Thor appears on the grid and turns the reels - from 1 to all - into wild reels. If all 5 reels go wild, the player can get up to x8,100 the initial bet, which is obviously a very profitable turn of events. 

Thunderstruck II RTP Percentage 

Thunderstruck II slot RTP rate is 96.65%, which is kinda typical RTP rate for Microgaming slots, and it is also generally higher than average RTP for most slots. In any case, the REturn To Player percentage in Thunderstruck II is very advantageous.