Demi Gods IV Thunderstorm Slot Review

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Gameplay - 75%

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Whizz hot?

  • Greek mythology theme
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Game information


Demi Gods IV Thunderstorm











Demi Gods IV Thunderstorm is a Spinomenal video slot with 6 reels, 4 rows, and 20 paylines.

It’s also the sequel to the studio’s previous release Book of Demi Gods 2 Reloaded.

Interestingly, it doesn’t quite escape the shadow of its predecessor.

Yet, the online slot has a lot going for it. The graphics, animations, and audio track are on point.

In addition, Spinomenal frames the reels in gold which gives the visuals that extra pop.

Wikipedia describes a demigod as part-human and part-divine offspring. A popular demigod in Greek mythology was Hercules.

Spinomenal pads out the slot’s content with Wilds, Free Spins, Synchronizing Reels, and Power Spins. Which lays the foundation for an entertaining romp.

To be overly ambitious has its drawback sometimes, luckily it’s not the case here. Besides, if you’re wondering what the size of the jackpot is or the hit frequency.

We did not include them because we weren’t in possession of all the facts. In short, Spinomenal didn’t include them in its game sheet.

You can play Demi Gods IV Thunderstorm for $0.20 to $200 per spin at real money casinos online.



The RTP of Demi Gods IV Thunderstorm is 96.20%. That’s well within the range of the industry’s standard.

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The high-value symbols on the reels are the 4 demi gods. Whilst the card suits from 10 to Ace are the low-value symbols.

The Wild symbol subs adjacent symbols except for the Bonus symbol.

More importantly, 6 wilds any position on the reels pay 1,000x the stake.

The bonus symbol acts as the game’s scatter.


Demi Gods IV Thunderstorm Slot Bonus Rounds

Win Multiplier

The Win Multiplier feature triggers on any random spin in the base game.

As such, the game’s engine multiplies any win based on the win multiplier level.

Now, there are three levels:

  • The first level doubles all payouts by 2x.
  • Level 2 triples all wins.
  • Level 3 quadruples payouts.

Synced Reels

Depending on the Synced Reel level the following reels sync:

  • On level 1 reels 3 to 4 sync.
  • Reels 3 to 5 sync on level 2.
  • Reels 2 to 5 sync on level 3.

More importantly, the medium symbols appear as colossus symbols on the synced reels.

Power Spin

Depending on the Power Spin level, the Power Spin removes symbols from the reels.

On level 1, the Power Spin feature removes the 10 and J.

It gets even better. Once you hit level 2, the Power Spin removes the 10, J, O, K.

Demi Gods IV Thunderstorm changes gears on level 3 since it removes the low-value symbols.

Free Spins

The meat and potatoes of Demi Gods IV Thunderstorm slot is the free spins feature.

If you want to win the jackpot this is where you will find it. Now, to trigger the free spins.

The Bonus symbol must land on reels 1 and 6 which trigger 10 free spins.

Furthermore, a wheel of features will appear that players must spin. Retriggers are possible for an additional 2+ free spins.

The maximum amount of spinning the bonus wheel is 5 times. If you don’t want to wait for the Bonus symbols to pop up on the reels.

You can purchase 10 free spins for an x amount. Strangely, Spinomenal didn’t include the price in the datasheet of the online slot.


Tips & Strategy Demi Gods IV Thunderstorm

When we wrote the review of DemiGods IV Thunderstorm the slot wasn’t live yet.

We’d like to arm you with a few tips before you play it. Keep in mind they will improve your chances of winning.

Set a bankroll aside and don’t dip into your savings if you lost your bankroll.

Moreover, online casino tips 101 should be your go-to article when you play slots.



Beneath its game engine lurks an entertaining slot with a bevy of features.

We cannot help but feel that Spinomenal outdid themselves with Demi Gods IV Thunderstorm.

Admittedly, the visuals nor the game engine match that of Yggdrasil’s, WaterBlox Giga Blox.

Nonetheless, it’s an immersive online slot with plenty of moving parts.

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