After playing Thunderstruck II for a good few hours, we’ve got to say – this game really holds its own. Even though it’s technically a sequel to the original Thunderstruck, it’s not just a rehash. Microgaming did a great job taking things up a notch. It’s more engaging, better designed, and packed with features that actually make you want to keep playing. If you’re into Norse mythology like us, this one’s a no-brainer.
VISUALS & THEME OF THUNDERSTRUCK II SLOT
The theme grabs your attention right away. You’ve got Odin, Thor, Loki, and Valkyrie showing up on the reels, all looking pretty epic. The artwork is sharp and detailed without going over the top. What we really liked was the background music—it’s atmospheric and fits the vibe, but it doesn’t get on your nerves after a while like some other slots do. The game interface is smooth, the buttons are easy to navigate, and overall, it just feels well-made. Even though this game has been out for a while, it still looks and plays great in 2025.

THUNDERSTRUCK 2 GAMEPLAY & RTP
This one runs on 5 reels and gives you 243 ways to win—which I actually prefer over the old-school paylines. Thunderstruck 2 keeps things interesting and gives you more chances to land something. The volatility is medium to high, so you’re not going to win every few spins, but when it pays, it can really pay well. The RTP is around 96.65%, which is pretty decent in my opinion. During my time playing, I had a few dry patches, but the bonus rounds made up for it.
If you’re browsing from Southeast Asia, you might want to check out our Malaysian online casino or Indonesian online casino guides for platforms where Thunderstruck II is available and runs smoothly.
THUNDERSTRUCK II FEATURES THAT STAND OUT
The Great Hall of Spins is where Thunderstruck II really shines. This is a multi-level bonus feature that unlocks new gods and new free spin modes the more you play. It felt like I was leveling up in a video game – which is rare for a slot. Each god offers a different spin feature:
- Valkyrie: 10 free spins with a 5x multiplier
- Loki: 15 free spins with Wild Magic
- Odin: 20 free spins with Wild Raven multipliers
- Thor: 25 free spins with Rolling Reels and multipliers up to 5x
The more we triggered the bonus, the more features we unlocked – which definitely kept us hooked.
There’s also the Wildstorm feature, which can randomly turn up to 5 reels wild. It didn’t trigger for us very often, but when it did, the payout was definitely worth the wait.
FINAL VERDICT OF THE REVIEW
Thunderstruck II isn’t just about flashy graphics or fancy gimmicks – it’s got real depth. It’s the kind of online slot where the more you play, the more it rewards you with new experiences and bigger wins. We’ve played dozens of online slots over the years, and only a few slot games feel as complete as this one.
If you’re just playing for fun, it might take a little while to unlock all the bonus rounds. But honestly, if you like slots that offer something new the longer you play – with cool features and a solid design—Thunderstruck II is definitely worth checking out.
FINAL RATING: 9.5/10
TOP 3 ONLINE CASINOS TO PLAY THUNDERSTRUCK II SLOT (TESTED & RECOMMENDED)
If you’re thinking about trying Thunderstruck II, it really helps to play on a site that not only runs the game well but also gives you some good perks while you’re at it. Reviews Casino Online Team tested it out on a few different casinos, and these three stood out for all the right reasons.

Gembet had a really user-friendly layout, and Thunderstruck II loaded without any issues. What I liked most was the welcome bonus—it gave us a decent boost to start with, and there were a few extra promos for slot players like me.

AB33 felt stable and fast, and the withdrawals were quicker than expected. They’ve got a clean interface, and finding Thunderstruck II took just a couple of clicks. It’s not overly flashy, but everything works the way it should.

Melbet surprised us with how many promotions they run, especially for slot games. They also have tournaments going on pretty often, which made things more fun. We’d say this one’s ideal if you play regularly.