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Thunder Wheel Slot

Thunder Wheel
Thunder Wheel
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Updated: 22.07.2025
Reviewed by: Ella Houghton
Mythology is a common plot for gambling, and Slotmill decided to use this theme to create the Thunder Wheel slot on 19/10/2021. It’s a machine filled with mind-blowing features, so gamblers will appreciate both the Thunder Wheel itself and some more standard options, including free spins. Different mythological creatures will accompany you during the game, just follow our review to learn how to deal with them!

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds & Free Spins
  4. Summary
  5. Where to play
General information about Thunder Wheel slot

General information about Thunder Wheel slot

Rating by Ella Houghton:
8.4
Slotmill
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  • Release Date:
    19.10.2021
  • Volatility:
    High
  • RTP:
    96.1%
  • Multiplier:
    Yes
  • Max. win:
    10,000x
  • Bonus game:
    No
  • Free spins:
    Yes
  • Scatter Symbol:
    No
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    No
  • Slot lines:
    256
  • Slot reels:
    4
  • Layout:
    4-4
  • Stakes range (€/£/$):
    0.20 to 30
  • Slot Theme:
    Greek mythology
  • Technology:
    HTML5
More infoLess info

Licensed and tested by

  • GA (Gaming accotiates)
  • MGA

How to Play

Join the land of mysteries and use the buttons on the slot’s panel to navigate through this mythological place:

  1. Standard ‘+’ and ‘-’ buttons are used to pick your bet of €0.20–30
  2. The reels are spun via the round button or a small widget next to it, which triggers 10–1,000 auto spins
  3. An additional option is launched via the ‘B’ button, it’s a Burst Mode, which has no animation and simply provides the results of the determined number of spins within seconds

The other navigation buttons on this slot are the one-to-buy free spins and standard menu widgets.

Thunder Wheel RTP and Volatility

7.5 
High volatility and 96.08% RTP in the base game are combined to make Thunder Wheel action-filled.
Thunder and bolts of lightning can make your adventure somewhat dangerous, that’s why the game is connected with high variance. Yet, it provides for rewarding payouts at the same time, determining the max win of 10,000x. The RTP of 96.08% is a good parameter that matches the rest of the slot’s features, and during the Bonus Buy feature, the RTP will be even higher at 96.37%.

Theme

8.7 

Do you know a lot about Greek mythology? Or, perhaps, you are interested in stories based on these myths? Thunder Wheel reveals all of them, immersing players in the world of mysteries and golden coins these creatures guard. Both visual and sound effects make the game look like a thematic movie. The 4x4 grid is based between 2 columns and the winning symbols are glowing, being charged by the lightning.

There are 256 lines to form winning positions. Coins with 4 suits are low-paying symbols and you need 4 of them to get winnings of up to 0.45x the bet. Then, you will meet creatures, which are a 3-headed monster, Medusa, Minotaur, and an eagle. Finally, you will meet 2 gods who are in charge of high-paying symbols. Thunder Wheel and a golden bolt of lightning are bonus symbols. Wilds are ‘W’ symbols displayed on golden tablets.

Theme
Thunder Wheel slot - paytable

Mobile Compatibility

Mobile Compatibility
Have you ever seen 3-headed creatures on your phone’s screen? Well, it could be a picture or a video game. But this time, you can enjoy a slot with the same plot and its creatures are ready to inhabit whatever mobile gadgets, whether iOS or Android. Nothing is required from players as everything has been done by Slotmill and the HTML5 technology the team implies.

About Slotmill

In 2019, Slotmill joined the gambling area, launching its own company in Stockholm, Sweden. Yet, its other offices are based in Malta and Curacao, which provides the vendor with additional certificates from Curacao and iTech Labs. Outstanding qualities of its software are light mobile versions and an understandable interface, as well as pleasant options and bold themes. The small catalog of 15 machines can still boast titles like Vikings Greed, Outlaws, Fruit Smash, and Drunken Sailors.

Bonus Rounds & Free Spins

9 

Thunder Wheel is opportunistic for many things, and its list of splendid bonuses is the number one thing to attract even the most demanding players.

Free Spins

Just 3 bonus symbols and you get access to 10 free spins with a Moving Wild. During the option, you will see a collect meter, which is charged by each bonus symbol. It’s beneficial to charge the meter as each new charge activates a new stage, which adds extra spins and increases a Wild. In total, there are 5 bonus symbols with corresponding conditions:

  • Stage 1 – 5 bonus symbols to charge the meter, 1x2 Wild, 2 extra spins
  • Stage 2 – 4 bonus symbols, 2x2 Wild, 2 extra spins
  • Stage 3 – 4 bonus symbols, 3x2 Wild, 2 extra spins
  • Stage 4 – 3 bonus symbols, 3x3 Wild, 2 extra spins
  • Stage 5 – 3 bonus symbols, 4x4 Wild, 1 extra spin

Expanding Wild

The option is random and can take place during the basic game. Thanks to it, Wilds can expand and cover positions of up to 3x3.

Thunder Wheel

Thanks to 2+ Thunder Wheel symbols on the grid, players can open the Thunder Wheel. It’s an ancient wheel, which consists of 4 rings. The smallest one is in the middle and it’s the first to spin. The next 2 rings have sections of 0–9. And it’s necessary to land 0 to continue the game and spin the next ring. The biggest ring is also numbered 1–9. If you manage to land 2 zeros on the 2nd and the 3rd rings, the 4th ring will spin automatically and you will get a 4-digit number, which is the total multiplier. According to these numbers, the maximum multiplier is 9,999x.

Buy Free Spins

Players who appreciate their time and want to get bonus spins at once can opt for the Buy Free Spins feature with 96.37% RTP. It costs 60x the bet and is optionally launched by pressing the corresponding symbol on the left.
Thunder Wheel slot - Bonus Buy

Thunder Wheel Demo Play

Those who want to avoid taking risks should rely on a free version of the slot. Its opportunities are the same in charge of gameplay, but you will be able to spend free coins instead of real money. The version can be played directly on this page and you don’t have to deposit or spend your funds.

Max Win

8.8 
The bravest adventurers who aren’t afraid of high risks can be rewarded with up to 10,000x multipliers.
Thunder Wheel is not only the slot’s name but also the bonus feature of this machine. Thanks to this feature, players can grab a multiplier of up to 9,999x. Thus, the overall winning limit stands at 10,000x. It’s extremely beneficial but also risky as the variance is high.

Overall Rating

8.4
Slotmill is an innovative brand, so its software is eye-pleasing and Thunder Wheel also matches the entire catalog. Its bonuses are great and the max win limit of 10,000x makes the efforts worth it. Just be careful as the high variance is designed for big budgets.
Hits
5 stages of 10 free spins with a Moving Wild
Expanding Wilds up to 3x3 in the base game
Thunder Wheel brings rewards of up to 9,999x
Burst Mode for a group of instant spins
Misses
High variance makes the game volatile

FAQ

Does the Thunder Wheel slot have free spins?

Yes, 3 bonus symbols trigger 10 FSs with a Moving Wild and additional bonus symbols charge the meter to add extra spins and expand the Wild.

What can I win in this slot?

Its max win limit is super high as it provides up to 10,000x.

How do I activate the Thunder Wheel?

It’s necessary to land 2+ Thunder Wheel symbols and rotate the rings of this wheel. There are 4 rings, which determine the overall multiplier.

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Ella Houghton
Ella Houghton
Expert in: News, Blog, Slot reviews, Payments
Ella is a professional content-writer with 8 years of experience in the casino sphere. She has broad knowledge of gambling related themes and is happy to share this with Slotsjudge.

2128 articles

Reviewed by Editor-in-Chief
Nikita Lukanenoks
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