12 Bolts of Thunder Slot Review

Our score 4.0 4.0 /5
User rating
RTP: 96.15%
Volatility: High
Paylines: +20

12 Bolts of Thunder is a Norse mythology themed game mixed with a classic slot format.

Theme Norse mythology
No. of Reels 5
Game type Video Slot
Release Date 31.01.2024
Bonus Rounds No
Software provider Thunderkick
Scatter Yes
Free spins Yes
Updated June 21, 2024

Game Screenshots

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This Thunderkick developed game offers five reels, four rows and 20 paylines and on the reels, you will find the mighty Thor’s hammer alongside red 7s, bars, bells and horseshoes. 12 Bolts of Thunder has a wild symbol, but the two highlights are the hammer wins and free spins round. Landing hammer symbols will award wins paid out on a separate paytable, while the free spins round can award up to 12 free spins with an increased hammer paytable. Swing Thor’s hammer for the chance to win up to 30,000x your stake spinning the reels of 12 Bolts of Thunder.

If you think this could be the slot game for you, carry on reading our 12 Bolts of Thunder review for all the information you need to know about this game.

How to Play

Bets per spin can range from 10p to £100.

Winning combinations are formed in this slot game by landing three or more matching symbols across consecutive reels, starting from reel one.

The symbols on the reels of this game are:

  • J
  • Q
  • K
  • A
  • Horseshoe
  • Bell
  • Bar
  • Red 7s
  • W wild
  • Bonus scatter
  • Hammer

Jackpot

In the base game, the red 7s is the highest value symbol on the reels and can award up to 20x your stake for five in a winning combination. The maximum win of 30,000x your stake can potentially be won during the special features.

Special Features

There are three special features in the 12 Bolts of Thunder slot game including a wild symbol, a hammer win feature and a free spins round.

The wild symbol is the gold W and it will replace other symbols on the reels to help form new winning combinations and potentially award larger cash prizes.

Another exciting feature in 12 Bolts of Thunder is the hammer win feature. When between four and twelve hammer symbols land on the second, third and fourth reels, this feature is triggered. On the right hand side of the reels, you will see the hammer paytable which displays the amount that hammer wins will award. The awards up for grabs include:

  • 4 hammers – 2x
  • 5 hammers – 5x
  • 6 hammers – 10x
  • 7 hammers – 15x
  • 8 hammers – 20x
  • 9 hammers – 50x
  • 10 hammers – 100x
  • 11 hammers – 500x
  • 12 hammers – 1,000x

Another highlight of 12 Bolts of Thunder is the free spins round which is triggered by landing three or more scatter symbols on the reels. The more scatter symbols you land, the more free spins will be awarded:

  • 3 scatter symbols – 6 free spins
  • 4 scatter symbols – 9 free spins
  • 5 scatter symbols – 12 free spins

Whenever hammer wins occur during the free spins round, the hammer prize ladder will increase a level. This then increases the prizes up for grabs by up to 5x. So, if you land 12 hammers, you will be awarded 30,000x your stake. Each time a hammer win occurs during this feature, an additional three free spins will be awarded.

Graphics and Sounds

Norse mythology is the backdrop to the 12 Bolts of Thunder slot game as everyone knows of the god Thor and his mighty hammer. The reels are set up in the air with blue skies acting as the background. On the reels, the low value symbols are your standard playing card symbols in a variety of bright colours. The high value symbols are a mish-mash of hammers and classic slot symbols such as red 7s, horseshoes, bars and bells. Peaceful Nordic style music plays in the background as you spin, which is nice but it would have been also great to have a livelier, epic soundtrack to go with the god of thunder theme.

Conclusion

12 Bolts of Thunder is a nice slot game from Thunderkick that will appeal to those who want a simple slot with an edge. The theme is a little strange with the combination of Norse mythology and classic slot symbols but the graphics are of the highest quality. Players will particularly enjoy the hammer wins in the base game and the free spins round, which can award wins of up to a whopping 30,000x your stake.

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Jennifer Mcfadyen
Jennifer McFadyen
iGaming Specialist
The Slot Guru – “Reel Master” Jen
As a Slot Guru, “Reel Master” has a deep understanding of the mechanics behind online slot games, including RTP (return-to-player) percentages, volatility, bonus features, and game design. Years of hands-on experience with various slot games and extensive knowledge of game developers’ strategies have honed their skills. Whether it’s traditional fruit machines or the latest video slots with innovative mechanics, the Reel Master knows exactly what makes a good game tick. Their expertise comes from spending hours playing and analysing hundreds of slots for their reviews, sometimes exploring the history and evolution of game types, and keeping a keen eye on industry trends. For the Reel Master, success lies in understanding the balance of excitement and risk that attracts players and keeps them coming back for more.

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