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Thunderstruck II Slots Review For 2020

Graphics 9.5 / 10
Sound 9.5 / 10
Entertainment 9.5 / 10
Bonus Rounds 9 / 10

5 Reasons to try this slot

  • Cool Thor-based theme
  • Scatters pay up to 500x your total bet per spin
  • Wilds double your wins
  • Free spins offer triple-win multipliers
  • Top line jackpot of 30,000x
max bet
30,000 coins
max win

Thunderstruck II Slots Overview

In addition to being one of the most popular video slots on the internet, Thunderstruck II comes with a gameplay that's packed with features. After spinning the reels, the symbols will land randomly on the 5x3 screen where there are 243 ways to win. The game has a Wildstorm feature that can be triggered randomly to turn reels wild, and The Great Hall of Spins is the free spins bonus. There are four modes for the free spins based on four Norse gods, and each option comes with a special feature.

Playing Thunderstruck II Slots Online


You can also strike it lucky in a Thunderstruck II slots casino by having a Wildstorm trigger while you spin the reels. Wildstorm is triggered randomly and causes entire reels to turn wild, giving you the potential to score a huge win. All five reels can go wild! There's also a free spins feature triggered by hitting three scatter symbols. The number of free spins you receive depend on the level of bonus you've unlocked - known as progressing through the Great Hall of Spins.


Thunderstruck II features various Norse gods and legendary objects from the fables as high paying symbols. The lowest value icons consist of card symbols 9-Ace. There's a logo symbol that serves as a wild and also acts as the multiplier. Thor's hammer is the scatter symbol that triggers the free spins bonus and awards a payout of 1x-200x your total bet.

Bonus Games

Your progress in the Great Hall of Spins is shown on the payout chart. Every time you hit three scatter symbols, you'll move another step along this track. The first time you hit three scatter bonuses, you'll unlock the Valkyrie's gift which provides you with 10 free spins, during which time your winnings are multiplied by five.

Once you have triggered the free spins feature five times, you unlock Loki's gift - 15 free spins and a wild magic symbol. Activate the free spins feature ten times to unlock Odin, gifting 20 free spins and his wild raven. Unlock the free spins feature 15 times and the mighty Thor comes to assist you with 25 free spins and rolling reels. This builds a win multiplier with consecutive wins which can reach up to x5.

Thunderstruck II Hits:

  • Now available on a mobile device
  • Win up to 2.4 million coins
  • 4 free spins modes with amazing features

Thunderstruck II Misses:

  • May take a while to unlock full bonuses
  • Relatively low symbol payouts
Overall rating

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Play the free version or real money version from the convenience of your smartphone or tablet. Microgaming recently made its Thunderstruck and Thunderstruck II slots compatible with Windows, iOS and Android mobile devices. All the same bet options, game options, bonuses and staggering 2.4 million coin jackpot can now be enjoyed from the palm of your hand.

Mobile Gaming


Since 1994, Microgaming has had an enormous influence on a relatively new style of casino gaming. It claims to have established the 'first real online casino' over two decades ago and has since produced over 2000 online casino games. Thunderstruck and Thunderstruck II are some of the most popular slots in its vast portfolio. If you like the style and game options of the Thunderstruck series, then you'll also probably enjoy other Microgaming slots such as Avalon, Arctic Fortune and Tomb Raider.

Software Provider logo


The Thunderstruck II slot machine will provide you with plenty of enjoyment. While the wins might not be that frequent, they're big when they do occur. Once you've had a few spins on this game, you'll continually find yourself returning for "just one more spin."

While it's possible to win up to 2.4 million coins from one bet with the ideal combination of features, the biggest single payout is a fixed jackpot worth 1,000 coins. This is awarded for getting five Thunderstruck II wild symbols on a line.

How does the Thunderstruck II slot work?
With the Thunderstruck II slot, you have a five-reel game that operates on the 243 ways to win system. It also has four free spin modes that award special features, wild reels and a wild that doubles pays.
How do I play?
Players must choose a bet by selecting a coin value and a number of coins per spin. To get the reels going, you must press spin or choose an autoplay option in expert mode.
How many bonus games are there?
Thunderstruck II has a progressive free spins feature. As you hit the free spins more and more, you get more free spins and higher multipliers. There's also an in-game feature that turns reels wild.
What is the maximum jackpot?
The most valuable combination is five Thunderstruck symbols in a row. It pays out 1,000 coins. However, with the multi-way nature of the game, you could win much more in just one spin depending on the different combinations. Microgaming estimates that players can win up to 2.4 million coins on a single wager.
How many pay lines are there?
Being a multi-way slot, Thunderstruck II does not have pay lines. It offers 243 ways to win.
How can I win at slot games?
This is a multi-way machine that offers 243 ways to make winning combinations. The results of each spin are random. Win by getting the right symbol combo or by triggering a bonus.
Where can I play?
Players can access the Thunderstruck II slot by visiting online casinos like the ones we recommend here. 
Can I play on mobile?
Pretty much all our recommended casinos offer support for Thunderstruck II on mobile devices. This will usually include BlackBerry, Windows Phone, Apple iPhone, iPad and Android.
Is it safe?
As long as you're playing at a casino that has encryption and is audited for fairness, there should be no concern for safety. Our reviewers make a point of vetting all the sites recommended here to ensure high standards of security and integrity are maintained.