12 Bolts of Thunder Review





Our expert rating

May 14, 2024

Last edited



Thrust into the electrified world of Norse gods with Thunderkick’s latest release, “12 Bolts of Thunder,” where the pounding of Thor’s hammer resonates with every spin. Established in the online gaming stratosphere for delivering inventive slot experiences, Thunderkick reaffirms its presence by introducing this thrilling Norse-mythology-themed slot, where players can swoop in and nab godlike rewards. Thunderkick continues its legacy of hallmark games akin to “Hellape√±os” and “Pyramyth,” with this epic chronicle ascending its players amidst the fluffy Nordic clouds to the realm of gods.

Meticulously crafted, “12 Bolts of Thunder” transpires across a 5-reel, 4-row grid, enriched with 20 betways where wins thunder down with a promising RTP of 96.15%. The swipe of every spin can be as gentle as a summer breeze or as fierce as a storm with bets ranging from a minimalistic 0.10 to a high-rolling 100, perfect for any aspiring Odin or timid traveler through Valhalla. Amidst its high volatility and a hit frequency of 21.79%, this game is as thrilling as the thundering skies, enticing players with the potential of a staggering 30,000x max win, making each spin an achingly suspenseful moment.

User interface is thoughtfully designed, placing the spin button, bet size, and bonus buy options within easy reach, offering seamless gameplay on both mobile and desktop devices. Encapsulating the essence of a clear Nordic day, the visual presentation of the slot is perfectly juxtaposed against the burly theme with the reels and Hammer Paytable laid out against an azure sky, inviting players to forge winning sequences starting from the leftmost reel.

Game Information

Title 12 Bolts of Thunder
Developer Thunderkick
Reels 5
Rows 4
Paylines 20
RTP 96.15%
Release Date 31/01/2024


The slot’s features are as mighty as the gods themselves, with Wilds, Hammers, and Bonus Buy options bestowing blessings upon players. The Wild Symbol, depicted as a Viking shield, substitutes all regular symbols ensuring valiant wins. But it’s truly Thor’s Hammer that is the linchpin of this tale. When the Hammer strikes the reels, and you collect 4 or more, the gods favor you with lavish winnings according to the Hammer Paytable.

Moreover, during the Base Game, the chance to amass incredible wins intensifies. Amass 12 Hammer Symbols, and behold as your wealth multiplies a thousandfold. In the Bonus Game, this multiplier ascends to an unfathomable 30,000x – a bounty even the gods would be envious of.

The Bonus Game beckons with the arrival of three or more Scatter Symbols – represented by a grand, brown door – launching players into a sequence of 6, 9, or 12 Free Spins. With each Hammer Win, additional spins are gifted, extending your audience with the divine. As you venture further in the Free Spins, the Hammer Win’s potency grows with each hammer garnered, multiplying your wins to an omnipotent level, up to 5x. This luminary loot resets only upon the Bonus Game’s conclusion, as mortals are brought back to earthly reels.

Should mortal patience run thin, the Bonus Buy feature is an instant passage to the divine Free Spins, with a trade of 100x your stake. This not only leapfrogs you to the heart of the action but also slightly uplifts the RTP to a more benevolent 96.50%.

Review Summary

Thunderkick ascends players to godly heights with “12 Bolts of Thunder,” combining aesthetics echoing Norse sagas, a user-friendly interface, and an engaging concoction of features. The game’s electrifying bonuses and industry commendable RTP reflect the mark of a developer known for setting the bar high. From the detailed symbols adorning the paytable to the climactic chimes that resonate with every Hammer Win, the game encapsulates the excitement and unpredictability of mythology.

Pros and Cons


  • Generous RTP of 96.15%, escalating to 96.50% with Bonus Buy
  • Massive maximum win potential of up to 30,000x your stake
  • Engaging theme and visually attractive Norse mythology design
  • Accessible range of betting options catering to various playstyles


  • High volatility may deter low-risk players
  • Features might seem limited for players used to slots with an abundance of bonus modes


What is the max win in the slot of 12 Bolts of Thunder?

You could win up to 30,000x your stake in this electrifying slot adventure.

Can I play 12 Bolts of Thunder on mobile devices?

Yes, the game is fully optimized for mobile play, letting you take the mighty Thor’s hammer wherever you go.

What features are available in the slot of 12 Bolts of Thunder?

This slot is bolstered with features such as Wild Symbol, Hammer Win, Bonus Game, and Bonus Buy, each adding to the chance of celestial wins.

How often can I expect to trigger the Bonus Game?

While the exact frequency is part of the game’s hidden metrics, the high volatility suggests a less frequent, yet more rewarding experience when activated.

With “12 Bolts of Thunder,” Thunderkick invites players to engage in a mythological battle for riches, wielding the power of the Norse gods to secure their own legend. The blend of fine visuals, heroic features, and the chance for unearthly wins creates a slot experience worthy of the halls of Valhalla. Prepare your spins, summon the thunder, and let your saga begin.


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