Thunderstruck II Mega Moolah Slot Review
Beneath Asgard’s burnished steel and knotwork, a fairground-bright wheel in blue, red and gold turns in a bowl of heaped coins. That wheel is the most consequential thing on the screen in Thunderstruck II Mega Moolah, because it quietly takes more than five percent of every wager this game ever receives and hands it to four pots almost nobody will win. The Norse slot underneath is strong enough to deserve better maths than that.
Games Global have taken one of the most enduring Norse slots and wired it into the Games Global Mega Moolah progressive network, and the cost of that wiring shows in the maths. Total RTP is 86.71%, which includes a 5.30% jackpot contribution, and there’s no way around that figure.
What you get for it is medium volatility, 243 ways across a 5×3 grid, and stakes from 0.30 to 24.00 per spin. Old thunder, new toll.
Base Game & Features
The 243-ways setup means any matching symbols on adjacent reels from the left count as a win, with no payline map to follow. Only the highest combination pays on each way, and only the highest scatter win counts per spin. It’s a familiar system, and it doesn’t need explaining twice.
The wild multiplier symbol doubles the payout of any combination it completes, won’t substitute for the scatter, and forms its own winning combinations that aren’t multiplied. The scatter pays anywhere, can’t be replaced by the wild, and its payouts depend on the total bet rather than the line stake.
Wildstorm Bonus
Wildstorm can strike at random on any spin, transforming up to all five reels into wilds. It comes with restrictions: neither the wild nor the scatter symbol appears during it, free spins can’t be triggered, and the progressive jackpot is off the table for its duration.
Pure base-game upside, and the biggest single-spin potential the regular game offers.
A small extra worth knowing about: the paytable tracks achievements, highlighting every symbol combination you’ve landed and keeping them marked permanently, even after you leave the game.
Wins from the Wildstorm bonus count towards them. Free spins wins don’t. It’s a collector’s detail, nothing more, but it suits a game built on long-term progression.
Thunderstruck II Mega Moolah Bonus Features & Free Spins
Three, four or five scatters opens the Great Hall of Spins, and this is where the game keeps its real content. Four bonus games are on offer: Valkyrie, Loki, Odin and Thor. They unlock progressively, with a new game becoming available after five sequential activations of the feature, so the early bonus rounds are a build towards the later ones.
The bet you last placed in the base game carries into the bonus, winnings are collected automatically, and the progressive jackpot can’t trigger while a free spins round is running. Each of the four games adds its own modifier to the free spins, and the differences between them are real rather than cosmetic.
Valkyrie Bonus
The starting option, and the simplest. All wins during the free spins are multiplied by five, and the round can be retriggered, with the additional spins added to whatever remains. Straightforward, and the only one of the four that retriggers without conditions.
Loki Bonus
Loki adds a scatter ladder to the round. Land scatters during a free spin and extra spins are added to the remaining count:
- Two scatters: one extra free spin
- Three scatters: two extra free spins
- Four scatters: three extra free spins
- Five scatters: four extra free spins
On top of that, one symbol on reel three transforms up to fifteen other symbols into wilds. Those transformed symbols pay the same as wild multiplier combinations, though the 2x multiplier value doesn’t apply to them. The round retriggers.
Odin Bonus
Odin’s round is built around his ravens. Any win except a scatter combination activates the Wild Raven feature, transforming random symbols into wild multiplier symbols worth up to 6x the payout. It can’t be retriggered, so the spins you start with are the spins you get.
Thor Bonus
Thor is the endgame of the Great Hall. Any win triggers Rolling Reels: winning symbols are removed after payout, the symbols above shift down to fill the gaps, and any new win from the shift pays again with a multiplier that climbs by one each time. The multiplier caps at five and resets to one when a shift fails to complete a win.
There’s a wrinkle here that shapes the whole round: scatter wins are paid out and participate in the rolling reels, which is exactly why the free spins can’t be retriggered. Scatter combinations roll away with everything else. It’s the most mechanically interesting of the four games, and it’s the one the build is pointing at.
Mega Moolah Progressive Jackpot
The Mega Moolah bonus triggers at random, independent of anything on the reels, and guarantees one of four progressive jackpots. It’s a wheel of coloured segments, one jackpot per segment colour, and wherever it stops is what you win. No skill, no choice.
The pots climb continuously from a percentage of every wager placed across the network, and they reset the moment one is won. For scale, at a 2.40 stake the ladder was reading:
- MEGA: past 17 million
- MAJOR: past 437,000
- MINOR: just under 5,900
- MINI: around 4,600
Those are live values, not fixed ones, and they’ll differ every time you load the game. Two ordering rules matter alongside them. If the jackpot and the free spins trigger together, the jackpot plays out first and then the free spins run, with both wins added. And the jackpot is unavailable during any free spins round, so the Great Hall and the wheel never mix.
Our Honest Verdict
Overall Rating: 7/10
Playing this one is a long climb through Asgard with a lottery wheel spinning quietly in the corner of your eye. The reason to be here at all is that climb: the Great Hall keeps unlocking better rooms the longer you stay, and few jackpot games bother to give a session that kind of shape.
Its strength is the bonus ladder itself. Four rounds that genuinely differ, ending at Thor’s rolling reels, is more game than most progressives offer underneath their pot. Its weakness is the price of the wheel: five point three percent of the return feeds jackpots the overwhelming majority of sessions will never touch, which leaves the day-to-day maths lean for a medium-volatility game.
This suits two kinds of player: the one chasing the MEGA pot who wants a proper slot wrapped around it, and the patient bonus hunter who enjoys earning their way to Thor. Anyone counting on steady returns from the base game alone will find the toll too steep. For the rest, the hall is still worth the walk.
Thunderstruck II Mega Moolah FAQs
-
What is the RTP of Thunderstruck II Mega Moolah?
The total RTP is 86.71%, which includes a 5.30% progressive jackpot contribution. That figure is the full expected return, base game and jackpot combined. -
Is Thunderstruck II Mega Moolah high volatility?
No. The game runs at medium volatility, with a hit frequency of 32.74%, so wins land reasonably often rather than in rare bursts. -
What is the minimum and maximum bet on Thunderstruck II Mega Moolah?
Stakes run from 0.30 to 24.00 per spin. The bet you last placed in the base game is also the bet used in the Great Hall of Spins bonus. -
How do you trigger the Great Hall of Spins?
Three, four or five scatter symbols anywhere on the reels opens the Great Hall of Spins. Four bonus games are inside it, with a new one unlocking after five sequential activations of the feature. -
Can free spins be retriggered in Thunderstruck II Mega Moolah?
It depends on the bonus game. Valkyrie and Loki can both retrigger. Odin can’t, and Thor can’t either, because scatter wins participate in the rolling reels and roll away with the other symbols. -
How does the Mega Moolah jackpot work?
The jackpot bonus triggers at random, independent of the reels, and presents a wheel of coloured segments. Wherever it stops awards one of the four progressive pots: MEGA, MAJOR, MINOR or MINI. It can’t trigger during a free spins round. -
How many paylines does Thunderstruck II Mega Moolah have?
The game uses 243 ways to win across a 5×3 grid. Matching symbols on adjacent reels from the left form a win, with only the highest combination paying per way. -
Who makes Thunderstruck II Mega Moolah?
The game sits in the Games Global portfolio. Its release date is 31 May 2022.
