Title
Developer
Rating
RTP
95.9%
Daily
-
Weekly
-
Cold
Here’s how to wield the thunder like a true Norse god:
Thunder of Thor plays on 6 reels and 4 rows with 25 fixed paylines.
On each spin, Gigablox symbols appear — oversized blocks that range from 2x2 to 6x6 in size, counting as multiple matching symbols.
Winning combinations pay left to right, starting from the first reel.
Look out for Wilds, Scatters, and Thor’s Strike, all of which can trigger special effects and bonus rounds.
Land 5 or more Scatter symbols to activate the powerful Free Spins bonus.
This slot is drenched in Norse mythology, with a high-stakes, stormy aesthetic:
The reels are set against a dark, thunder-lit sky with runestones and lightning bolts crackling in the background.
Symbols include Thor, his mighty hammer Mjölnir, golden helmets, ravens, and rune-engraved weapons.
The Gigablox symbols land with dramatic flair, often filling large portions of the screen.
The audio is bold and cinematic, full of thunder cracks, battle chants, and epic orchestration to match the intense visuals.
It’s a visually immersive experience worthy of the gods.
Every spin includes at least one Gigablox symbol, which can land as blocks between 2x2 and 6x6.
These massive symbols break into individual positions to calculate wins, helping you land larger matching clusters more easily.
On any random spin, Thor appears to summon Wilds by striking the reels with his hammer.
This can turn Gigablox symbols into Wild Gigablox, creating massive win potential even in the base game.
Triggered by landing 5 or more Scatter symbols — which can also appear as Gigablox.
The more Scatters you land, the more spins you get:
5 Scatters = 5 Spins
6 Scatters = 6 Spins
And so on, up to a maximum of 36 Free Spins.
Thor’s Strike activates more frequently.
Gigablox Wilds are more common.
You can retrigger additional spins for extended sessions and bigger wins.
This is where Thor truly brings the thunder.
Want to call upon the gods instantly? Thunder of Thor includes a Bonus Buy feature (available in eligible regions):
For a set price tied to your bet level, you can buy straight into the Free Spins round.
This gives you direct access to the slot’s most lucrative feature without waiting for natural scatters.
Perfect if you're chasing high volatility and hammer-sized payouts.
According to Roobet Casino Thunder of Thor offers the following to players:
Bet Range: Accessible to casual players and bold bettors alike.
RTP (Return to Player): A strong 96.1%, offering fair long-term return.
Volatility: High, designed for risk-takers and players who love dramatic swings.
Max Win Potential: 10,000x your bet, achievable through massive Gigablox Wild hits during Free Spins.
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