Thunderball Symbol
It may appear during the base game on all reels. What do Thunderball symbols do? They award jackpot prizes or other cash value during the Link & Win feature.
Link & Win Feature
The Link & Win feature gets triggered if 6 or more Thunderball symbols land on the reels. But what does it give you? You will get rewarded with 3 spins.
Jotunheim Free Spins
In this game, you can trigger Jotunheim Free Spins that bring 15 games. They are triggered if 3 or more Scatters land on the grid. Free games can be retriggered, and they also come with a 2x, 3x, or 5x multiplier.
![Jotunheim Free Spins](https://casinocanada.com/image/cache/data/slots/Thunderstruck-Wild-Lightning/thunderstruck-jotunheim-free-spins-800x450s.jpeg)
Vanaheim Free Spins
If you trigger Vanaheim Free Spins, this feature will bring you 12 games, and each can go with a 2x, 3x, or 6x multiplier. Free games can be retriggered.
Alfheim Free Spins
If you trigger Alfheim Free Spins, this feature will bring you 9 games, and each can go with a 3x, 5x, or 8x multiplier. Free games can be retriggered.
Nidavellir Free Spins
If you trigger Nidavellir Free Spins, this feature will bring you 6 games, and each can go with a 5x, 8x, or 12x multiplier. Free games can be retriggered.
The Svartalfheim Free Spin
This is the free game you get if you collect 20 Scatter symbol pairs during the base game. But if you didn’t achieve the win, the Scatter symbol collector gets refilled.
Wild Lightning Feature
If a Wild symbol lands anywhere on reels 2, 3, or 4, this feature is activated. The Wild activates a symbol’s position and expands the reels during all free spin rounds, except for the Svartalfheim free spin.