Quick Information
  • Title: Thunderstruck II Slot
  • Developer: Microgaming
  • Reels: 5
  • Rows: 3
  • Paylines: 243 ways
  • RTP: 96.65%
  • Hit Frequency: Medium
  • Max Win: 8,000x - 8,100x
  • Volatility: Medium
  • Min/Max Bet: €0.01/€0.25
  • Release Date: 2010

Thunderstruck II Slot Review



Step into a realm where the saga of Norse gods unfolds with every spin in Thunderstruck II Slot, a remarkable creation by Microgaming. This slot game, standing robust against the test of time, offers not just a gaming experience, but a voyage through a legendary world. As you traverse through the gameplay, figures like Thor and Odin guide your way, with stunning graphics accentuating the mythical atmosphere​​. The game comes alive with a medium variance, striking a perfect balance between frequent small wins and occasional big victories, making every spin a thrilling venture​. Thunderstruck II is renowned for its groundbreaking 243-win-ways feature, setting a high bar in the slot gaming community​. With four distinct bonus features, the potential of winning up to 2.4 million coins looms at every corner, promising not just an engaging gaming session but a chance at legendary wins​. Thunderstruck II isn’t just a slot game; it’s an epic Norse saga waiting to be explored, with every spin narrating a tale of ancient mythology intertwined with chances of substantial rewards.

Thunderstruck II Slot: Game Overview

Dive into a captivating Norse mythology-themed adventure with Thunderstruck II Slot by Microgaming, where every spin unfolds a saga of legendary gods and epic rewards. The game, a successor to the original Thunderstruck slot, has successfully carved a niche for itself, offering a rich narrative coupled with high-end graphics that make the gaming experience immersive and visually appealing​.

Thunderstruck II is designed with a medium variance, ensuring a balanced gameplay that appeals to a broad spectrum of players. The potential for substantial wins is well complemented by a slew of exciting features, among which Thor’s Rolling Reels feature is a standout, often leading to multiple consecutive wins​.

One of the pioneering slots to introduce the 243-win-ways feature, Thunderstruck II broke new ground in the gaming industry, offering players more avenues to win. This innovative feature, along with others, aligns well with the engaging Norse mythology theme, providing a comprehensive gaming experience that goes beyond the conventional slot gameplay​.

The slot further entices with four diverse bonus features, each offering a unique pathway to hefty rewards. The opportunity to win up to 2.4 million coins adds a layer of thrill, making Thunderstruck II not just a game, but a quest for legendary treasures​. The confluence of a compelling storyline, innovative features, and the potential for significant wins, makes Thunderstruck II a distinguished game in the realm of online slots.

Theme, Graphics and Design

Unveiling a saga of Norse mythology, Thunderstruck II Slot takes players on a legendary journey through a realm ruled by gods like Thor and Odin. The theme is deeply ingrained in every aspect of the game, creating a compelling narrative that captivates players from the get-go. Microgaming has meticulously crafted this game to resonate with the adventurous aura of Viking tales, making every spin a step into a mythic world​.


The graphics in Thunderstruck II are nothing short of spectacular. With a high-definition display, each symbol, background, and animation is rendered with keen attention to detail. The characters of Norse gods are depicted with a majestic demeanor, making them come alive on the screen. The overall visual appeal is enhanced by the smooth transitions and vibrant colors that keep players visually engaged as they navigate through the game towards potential big wins.


The design of Thunderstruck II goes beyond mere aesthetics. The layout is intuitive, with a user-friendly interface that caters to both seasoned players and newcomers alike. The seamless integration of the 243-win-ways feature within the design framework showcases the innovative approach of Microgaming, offering a fresh perspective to the conventional slot gameplay​3​. The design not only complements the theme but augments the gaming experience, making Thunderstruck II a masterpiece in the realm of online slot games. The coherence between the theme, graphics, and design culminates in a gaming environment that is as thrilling as it is visually enthralling.


Game Features

Thunderstruck II Slot extends a treasure trove of features that not only enhance the gameplay but also increase the chances of bagging hefty rewards. Microgaming has meticulously incorporated a blend of unique and traditional features, making every spin an exciting venture into the Norse godly realm.


One of the standout features of Thunderstruck II is its innovative 243-win-ways mechanism, which was among the first of its kind when introduced. This feature expands the horizons for winnings, replacing the conventional paylines with numerous winning combinations, thereby providing players with more opportunities to score wins with each spin​.

Special Symbols and Bonus Rounds

Thunderstruck II is laden with special symbols like Wilds and Scatters, which trigger bonus rounds when landed in specific combinations. Among the bonus features, the Great Hall of Spins stands out, offering four different levels of free spins, each associated with a Norse god and providing unique benefits. These levels are unlocked sequentially, adding a layer of progression to the gameplay that keeps players engaged​​.

Thor’s Rolling Reels Feature

An exhilarating part of the game, Thor’s Rolling Reels feature often awards multiple consecutive wins, providing a thrilling momentum to the gameplay. This feature is triggered during the bonus rounds, adding to the pool of potential rewards and making the journey through the Norse saga both rewarding and exciting​​.

Reward Potential

With a chance to win up to 2.4 million coins, the reward potential in Thunderstruck II is colossal. This, coupled with the medium variance, provides a well-balanced gameplay that caters to both thrill-seekers and players looking for consistent wins over time​.

The melding of innovative features with a thrilling theme makes Thunderstruck II a captivating slot game. The diverse game features not only promise an engaging gaming experience but also a lucrative venture for those who dare to tread the path of Norse gods.


The vivid imagery of Thunderstruck II Slot is brought to life through a variety of meticulously designed symbols that resonate with the Norse mythology theme of the game.

Base Symbols

Thunderstruck II hosts twelve paying base symbols which contribute to creating winning combinations on the reels. The lower-value base symbols are depicted by playing cards, which have been designed to align with the game’s Norse theme. These include the standard playing card values 9, 10, J, Q, K, and A, which offer lesser payouts compared to other symbols​.

Thematic Symbols

High-value symbols are portrayed by various figures from Nordic mythology and other thematic imagery. These include Norse gods such as Loki, Valkyrie, Odin, and Thor, alongside other iconic symbols like Asgard and a Viking ship. The thematic symbols not only offer higher payouts but also enrich the game’s narrative, making the gameplay more engaging and visually appealing.

Special Symbols

Special symbols in Thunderstruck II are designed to trigger bonus features and provide additional winning opportunities. The game features a Wild symbol, represented by the Thunderstruck II logo, and a Scatter symbol, depicted by Thor’s Hammer. Landing the Scatter symbol in specific combinations unlocks the game’s coveted bonus rounds, enhancing the potential for substantial wins and adding a layer of excitement to the gameplay​.

The diverse range of symbols in Thunderstruck II, each with its unique value and function, significantly contributes to the game’s allure. The careful integration of these symbols with the game’s Norse mythology theme renders Thunderstruck II not merely a slot game but a captivating journey through a legendary saga.


RTP & Volatility

In the domain of online slots, the Return to Player (RTP) rate and volatility are crucial factors that inform players about the potential risk and reward involved in the gameplay. Thunderstruck II Slot is no exception and presents a set of metrics that appeal to a variety of players.

RTP (Return to Player)

Thunderstruck II Slot boasts an RTP of 96.65%, which is considered above average in the online slot arena. This RTP rate suggests that over a prolonged play, players can expect to get back £96.65 for every £100 wagered, making it a fairly rewarding option for players​​.


The volatility of Thunderstruck II has been a topic of differing opinions among various sources. Some sources classify it as a high-volatility slot, indicating that while wins may be infrequent, they tend to be more substantial when they occur​​. On the other hand, some sources argue that the game features medium or low volatility, suggesting a more balanced or frequent win distribution, albeit with potentially smaller payouts per win​.


The divergent viewpoints on the game’s volatility could be attributed to personal experiences or the interpretation of gameplay dynamics over different play sessions. However, the consistent RTP across all sources underpins a solid potential for returns, making Thunderstruck II a compelling choice for players with varying risk tolerances.

The combination of a competitive RTP rate with the nuanced volatility makes Thunderstruck II Slot an engaging choice for players. Whether chasing the thrill of substantial, less frequent wins, or enjoying a more steady gameplay experience, Thunderstruck II caters to a broad spectrum of player preferences.


The mastermind behind the captivating Thunderstruck II Slot is none other than Microgaming, a towering name in the online gaming industry. With a legacy of innovation and quality, Microgaming has been at the forefront of developing engaging and visually appealing online slot games for over two decades. Thunderstruck II is a shining testament to Microgaming’s commitment to delivering top-notch gaming experiences enriched with compelling themes and cutting-edge features.

Microgaming’s prowess in blending storytelling with gameplay is exemplified in Thunderstruck II, where every spin unravels a tale of Norse mythology. The provider’s attention to detail, from the stunning graphics to the meticulously crafted symbols and innovative game features, echoes throughout the gameplay, providing players with a well-rounded and immersive gaming experience.

Moreover, Microgaming’s reliable and robust gaming platform ensures a smooth and seamless gameplay experience on Thunderstruck II, whether players choose to embark on the Norse saga via desktop or mobile devices. The provider’s reputation for fairness and transparency also extends to Thunderstruck II, which boasts an RTP of 96.65%, offering a fair chance for players to reap rewards as they delve into the mythical realm.

With Thunderstruck II, Microgaming continues to uphold its tradition of creating high-quality, entertaining, and rewarding online slot games, cementing its position as a leading provider in the online gaming domain. Through Thunderstruck II, players get a glimpse of the provider’s capability to transcend ordinary gaming experiences, offering not just a slot game, but a voyage through a legendary saga packed with potential rewards.

Max Win

The allure of striking it big is a significant draw for players venturing into the Norse mythological realm of Thunderstruck II Slot. The game has a varying maximum win potential as depicted across different sources, which underscores the substantial rewards awaiting players on this adventurous voyage.

Maximum Win Multiplier

The maximum win is often expressed as a multiplier of the player’s stake, which in the case of Thunderstruck II, ranges from 8,000x to 8,100x the bet. This multiplier is a representation of the game’s capability to offer lucrative wins, making every spin a potential treasure trove​.

Loki Free Spin

Notably, one of the avenues to achieve this hefty multiplier is through the Loki free spin feature, where players have the opportunity to garner up to 8,000x their stake. This feature is one of the intriguing aspects of the game that not only enriches the gameplay but also elevates the winning potential to an enticing pinnacle​.


The slight variation in the maximum win multiplier across different sources could be a reflection of the game’s dynamic nature, where a blend of features and bonus rounds work in concert to offer players a chance at monumental wins. The consensus, however, is clear; Thunderstruck II is a slot game where the skies (or perhaps, the mythical realms) are the limit when it comes to reaping sizable rewards.

The promise of significant wins, coupled with an enchanting theme and engaging gameplay, makes Thunderstruck II a slot game that not only entertains but also holds the potential for a life-altering payout.

Demo Play

Thunderstruck II Slot, designed by Microgaming, offers a demo play mode that is accessible to players who wish to explore the game without wagering real money. This feature is invaluable for both seasoned players looking to understand the game dynamics better and newcomers who wish to get a feel of the game before diving into real money play.

Various online platforms provide an opportunity to play Thunderstruck II in demo mode, allowing players to enjoy the game for free. These platforms include Slots Temple, Casino Guru, VegasSlots.net, and DemoSlot among others, making the demo play feature easily accessible to players across different regions​.

An appealing aspect of the demo play feature is the no download or registration requirement on some platforms, offering a hassle-free experience to players who wish to indulge in the game without going through tedious registration processes​.

Demo play enables players to experience the electrifying gameplay, stunning graphics, and high winning potential that Thunderstruck II offers, all without the risk of losing real money. This feature allows players to familiarize themselves with the game’s special features, payout system, and overall gameplay dynamics, making it a useful tool for those looking to enhance their gaming strategies before playing with real money​.

The demo play feature in Thunderstruck II Slot is an inviting aspect for players seeking to delve into the Norse mythology-themed adventure without any financial commitments. With easy accessibility on various online platforms and the advantage of experiencing the game’s notable features, demo play is a valuable addition to the Thunderstruck II Slot game offering.

Mobile Compatibility

Stepping into the realm of Norse mythology has never been easier, thanks to the seamless mobile compatibility of Thunderstruck II Slot. Microgaming ensures that players can delve into this legendary saga from the palm of their hands, anytime, anywhere. The mobile compatibility of Thunderstruck II Slot is well-embraced across various platforms, allowing players to continue their quest for riches on the go.

Thunderstruck II Slot is designed to be fully mobile-compatible, offering a flawless gaming experience across a wide array of devices. Whether you are using an Android, iOS, or Windows operated device, Thunderstruck II ensures that the enchanting Norse saga is just a tap away. The game is optimized for both smartphone and tablet play, adapting well to different screen sizes without compromising on the graphical quality or gameplay experience​.

One of the notable features of Thunderstruck II’s mobile compatibility is its browser-based gameplay. Players do not need to download any additional software or go through tedious installation processes. The game can be accessed and played directly through a mobile web browser, making it a convenient choice for those who prefer a straightforward gaming experience​.

The mobile version of Thunderstruck II Slot retains all the enchanting graphics, captivating sound effects, and engaging gameplay features that the desktop version offers. The transition between desktop and mobile play is smooth, ensuring that players do not miss out on any of the action, irrespective of the device they are using. The game’s mobile compatibility extends to the betting options as well, allowing players to adjust their bets conveniently from their mobile devices​.

The mobile compatibility of Thunderstruck II Slot accentuates the game’s accessibility, making it a compelling choice for players who are on the move. The ease of access, coupled with an optimized gaming experience, ensures that the legendary Norse adventure is never more than a swipe away.

Security and Data Protection

The integrity of player data is a paramount concern in online gaming platforms. Thunderstruck II Slot incorporates robust security measures to ensure a secure gaming environment. One of the notable security features included in this game is SSL encryption, which safeguards players’ personal and financial information, ensuring a secure gaming experience. This encryption technology is a standard in the industry, providing a secure channel between players and the online casino platform, thus ensuring that sensitive data remains inaccessible to unauthorized parties​.

Bonus Features

Diving into the legendary world of Thunderstruck II Slot unveils a treasure trove of bonus features that significantly enhance the gameplay and winning potential. Microgaming has intricately woven a variety of bonus features into the game’s Norse mythology theme, making every spin a thrilling venture into a realm filled with surprises.

Great Hall of Spins

One of the spotlight features of Thunderstruck II is the Great Hall of Spins, which is a multi-level free spins feature. Players can unlock different levels of this feature by landing three or more Thor’s Hammer (Scatter) symbols. Each level is associated with a Norse god and offers a unique set of rewards including multipliers, rolling reels, and additional wilds, making the gameplay increasingly rewarding as players progress through the levels.

Wildstorm Feature

The Wildstorm feature is another exhilarating bonus feature in Thunderstruck II. This feature can be triggered randomly during the base game, and when activated, it turns up to five reels wild, creating a plethora of winning combinations and significantly boosting the winning potential.

Thor’s Rolling Reels Feature

Adding a layer of excitement to the game is Thor’s Rolling Reels feature. This feature is triggered during the bonus rounds and is known for its potential to award multiple consecutive wins, which can lead to an exhilarating chain of rewards as players venture through the Norse saga.

Other Intriguing Bonuses

Alongside these notable features, Thunderstruck II also offers other intriguing bonuses like additional wilds and multipliers that further enhance the winning potential and keep players engaged.

How to Play

Stepping into the realm of Norse mythology is thrilling with Thunderstruck II Slot by Microgaming. The game, adorned with darker colors and a gilded frame around the slot reels, not only sets a dramatic scene but also offers a straightforward gaming interface for both newcomers and seasoned players​.

Getting Started

Game Launch: Begin by launching Thunderstruck II on your preferred Microgaming casino platform.

Bet Selection: Choose your bet levels with coin denominations ranging from €0.01 to €0.25, and wager up to 10 coins per line, suiting your comfort levels.

Understanding the Structure: Familiarize yourself with the 5 reels, 3 rows, and a 243 ways to win pay line structure of the game, which is a departure from traditional paylines and enhances your chances to win​.

Engage with the Gameplay

Trigger the Bonuses: Aim to unlock the multi-level Free Spins bonus features by landing 3 or more Thor’s Hammer icons on the reels. Repeated entries into the Great Hall of Spins unlock more bonus features sequentially, each associated with a Norse god offering unique rewards​.

Wildstorm Feature: Stay alert for the randomly-activated Wildstorm feature that turns up to five reels wild, creating numerous winning combinations and boosting your winning potential​.

Explore the Norse Gods: Each Norse god—Thor, Odin, Valkyrie, and Loki—brings its own set of bonus spins and features, providing covert symbols to multipliers and earning you 5x multipliers (and as high as 6x in special cases)​.

Control and Customization

Choose Your Level: Once all levels are triggered, choose to play whichever level you like whenever you trigger the Great Hall of Spins feature, giving a personalized gaming experience. The game has a memory feature, allowing you to pick up from where you left off​.

The key to enjoying Thunderstruck II is understanding its unique structure and engaging with its rich bonus features. The game’s user-friendly interface, coupled with its thrilling Norse mythology theme, ensures an immersive gaming experience whether you’re a novice or a seasoned slot enthusiast.

Strategy to Win

Thunderstruck II Slot offers a captivating gaming experience with a blend of exciting bonus features and a unique 243 ways to win pay line structure, which significantly impact your winning potential. While the game predominantly leans on luck, understanding its mechanics and leveraging the bonus features can play a pivotal role in enhancing your winning prospects.

Master the Pay Line Structure

243 Ways to Win: Grasping the 243 ways to win pay line structure is crucial. Unlike traditional pay lines, this structure creates winning combinations by matching symbols on adjacent reels, starting from the leftmost reel, thereby increasing the chances of winning​​.

Leverage Bonus Features

Great Hall of Spins: Aim to unlock the multi-level Great Hall of Spins by landing three or more Thor’s Hammer symbols. Each level, represented by a Norse god, offers unique rewards, making every entry into the Great Hall of Spins a chance to rake in substantial wins​​.

Wildstorm Feature: The randomly triggered Wildstorm feature can turn up to five reels wild, creating numerous winning combinations. Stay alert and capitalize on this feature to boost your winnings​​.

Bet Wisely

Adjustable Betting: Tailor your bets according to your budget. The game allows for coin denominations ranging from €0.01 to €0.25, enabling you to manage your bankroll effectively​​.

Engage with the Norse Gods

Unleash the Gods’ Powers: Each Norse god in the game brings a unique set of bonus features. Engage with these features by unlocking the various levels of the Great Hall of Spins, and utilize the multipliers and free spins to your advantage​​.

Practice and Patience

Demo Play: Engage in demo play to familiarize yourself with the game mechanics and bonus features. This will not only enhance your understanding but also prepare you for real-money play.

Patience: Given the medium volatility of Thunderstruck II, it may require a balanced mix of patience and budget management to ride through the lean periods and capitalize on the rewarding bonus features.


Thunderstruck II Slot is noted as a legitimate online slot game that operates on fair and random results, aligning with standard legal and regulatory requirements of the gaming industry​. It’s essential to check the gambling laws and regulations in your jurisdiction before engaging in gameplay.


Thunderstruck II Slot stands as a remarkable blend of captivating mythology-themed graphics, thrilling bonus features, and a user-friendly interface suitable for both newcomers and seasoned slot enthusiasts. The game’s high RTP of 96.65% coupled with a unique 243 ways to win payline structure offers an enticing winning potential. Whether engaging in the demo play or diving into real-money play, Thunderstruck II Slot delivers a riveting gaming experience. With its reputable standing in the online gaming community and the backing of a respected developer like Microgaming, this slot is a solid choice for those seeking a blend of entertainment and rewarding gameplay.

Pros and Cons

High RTP of 96.65%Reliance on luck for substantial wins
Engaging Norse mythology themeMay require patience during lean periods
Variety of bonus features
243 ways to win payline structure
Mobile compatibility
Demo play available for practice
Reputable provider (Microgaming)
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Quick Information
  • Title: Thunderstruck II Slot
  • Developer: Microgaming
  • Reels: 5
  • Rows: 3
  • Paylines: 243 ways
  • RTP: 96.65%
  • Hit Frequency: Medium
  • Max Win: 8,000x - 8,100x
  • Volatility: Medium
  • Min/Max Bet: €0.01/€0.25
  • Release Date: 2010