Thunderstruck II is a 5-reel video slot machine game with 243 permanently enabled ways to win. This maximizes your chances of winning, as multiple winning combinations are possible for each spin of the reels. When the reels stop, the computer checks the combinations of symbols along each enabled payline.
As a sequel to the 2003 Release of Thunderstruck one of Microgaming's most famous slot, Thunderstruck II remains true to the theme of the original game, yet the player experience has been lifted to an entirely new level.
Slot players can enjoy a well known brand with high quality enhanced graphics, epic sounds and a hall of extraordinary features, larger than life characters and innovative game play.
The Thunderstruck II 5-reel slot machine game is based on the popular Norse God of Thunder - Thor and is a continuation of his journey along with other ancient Norse Gods depicted with all their glory in the realm of Asgard.
Thunderstruck II has no payline constraints and instead offers up to 243 ways to win. Regular symbols need to simply be aligned left to right anywhere on the reels to win.
Based on the innovative 5-reel, 243 ways to win concept, and backed by awesome digital sound effects, this truly big video slot offers the slot player a range of benefits that includes Wilds, and Expanding Wilds, four different Bonuses, Scatter action, 4 different Free Spins rewards, Multipliers ranging from 2x, to 6x and absorbing free games.
There are up to 243 winning combinations allowing the slot player to create more rewarding opportunities, the Thunderstruck II slot machine game features a multitude of bonuses, from a thunderous Wild Storm Feature triggered randomly in the Thunderstruck II slot game whereby Thor's lightning can turn up to 5 Reels WILD.
When 3 or more Bonus Hammer symbols land anywhere on the reels, entry into the Great Hall of Spins is awarded. Each entry to this Great Hall progresses the slot player closer to unlocking additional chambers, containing more godly rewards.
The slot player's journey through the Great Hall of Spins is saved, so when returning to the Thunderstruck II slot machine game their position along the golden progression bar will remain in place.
An exciting new feature and promotional opportunity has been introduced in the form of Player Achievements. All wins during the Thunderstruck II slot machine game play are tracked, saved, and made visible to players in the paytable as a gold highlight.
The achievements concept is a new feature for online slots, empowering players to achieve gold status by winning the range of payouts of each symbol. This is reflected in the paytable; as players unlock each symbol their paytables will begin to turn gold, keeping track of winnings and striving for a full Gold paytable.
The Grand achievement is the unlocking of all the God's Features and reaching the 20th trigger of the bonus, where you will obtain Gold Status in the Great Hall of Spins.
Come explore your own "243 ways" to win on THUNDERSTRUCK II slot machine, you could reel in rewards of up to 2,430,000 coins!
The Thunderstruck II bonus slot machine game can be played for free, to launch the free slot game click the link Play Thunderstruck II For Free.
The Thunderstruck II video slot machine game from Microgaming can be played for free or for real money in denominations of $/£/€ 0.01 up to $/£/€ 0.05 and wager up to 10 coins. The minimum bet amount is $0.30 USD and the maximum bet amount is $15.00 USD per spin.
All symbols pay left to right (Reel 1-5) in consecutive order except for the Bonus Hammer scatter symbol, which pays any.
Note: Minimum System Spec requirement: Processor: Intel Core2 3GHz, RAM: 2GB, Video Card: 256MB.
Important:
- All two hundred and forty-three possible winning ways are permanently enabled.
- A bet multiplier of 30 applies per spin.
- You can bet up to 10 coins per spin.
- The theoretical average return to player (RTP) is 96.65%.
- Player Demographic: Geared towards all players, regions and demographics.
- Player Level: Beginner, Experienced, or Expert.
- Winnings are paid out for symbol combinations displayed on consecutive reels only, except for scatter wins.
- Regular winning combinations pay out from left to right, regardless of their position on the reels.
- Scatter winning combinations can appear in any position on the reels.
- All payouts are in coins.
- Some features may not be available in PLAYING FOR FUN mode.
- Malfunctions void all plays and pays.
Wild Multiplier Symbols
The Thunderstruck II Logo symbol in the Thunderstruck II slot machine game is a wild multiplier symbol. The Thunderstruck II Logo wild symbol substitutes for other symbols to complete winning a combination and multiplies the payout.
The Thunderstruck II symbol doubles the payout of any winning combination it completes if it acts as a substitute symbol.
Multiple Thunderstruck II symbols on an enabled payline create winning combinations, as shown in the "Regular Payout Schedule".
The Thunderstruck II symbol winning combination payouts are not doubled.
The Thunderstruck II wild symbol does not substitute for the Bonus Hammer scatter symbol to complete winning scatter combinations or to activate the Great Hall of Spins Bonus game.
If a Thunderstruck II wild, multiplier symbol substitutes in a winning combination during any Great Hall of Spins Bonus game, the payout is multiplied by the wild multiplier value, and the bonus game multiplier value.
Note: Only one winning combination is paid out per payline. If there is more than one possible winning combination on a payline, you are paid out the value of the highest combination only.
Scatter Symbols
The Bonus Hammer symbol is a scatter symbol. This means that it does not need to appear in a line to win.
The Bonus Hammer symbol can be scattered anywhere on the five reels to complete winning combinations, provided two or more Bonus Hammer symbols appear.
Winnings are calculated by multiplying the Bonus Hammer symbol combination payout, according to the "Regular Payout Schedule", by the total number of coins bet.
Three or more Bonus Hammer symbols scattered anywhere on the reels activate the Great Hall of Spins Bonus.
The Thunderstruck II wild symbol does not substitute for the Bonus Hammer scatter symbol to complete winning scatter combinations or to activate the Great Hall of Spins Bonus game.
Note: If you have a scatter win and a regular win, you are paid out for both wins, as the Tackle Box scatter symbol does not need to appear on an enabled payline to win. The scatter win is added to the payline win.
Great Hall of Spins Bonus
Three or more Bonus Hammer symbols scattered anywhere on the reels activate the Great Hall of Spins Bonus.
The Great Hall of Spins Bonus game has four types of Free Spin Bonus Round games. Three of the four Free Spin Bonus Round games are locked.
To unlock each additional Free Spin Bonus Round game, you must activate the Great Hall of Spins Bonus game a specific number of times. Unlocked Free Spin Bonus Round games are carried over to subsequent gaming sessions.
The Great Hall of Spins Bonus games are:
The Valkyrie Free Spin Bonus game is Permanently Unlocked.
The Loki Free Spin Bonus game is Unlocked after activating the Great Hall of Spins Bonus game five times.
The Odin Free Spin Bonus game is Unlocked after activating the Great Hall of Spins Bonus game ten times.
The Thor Free Spin Bonus game is Unlocked after activating the Great Hall of Spins Bonus game fifteen times.
The Thunderstruck II wild symbol does not substitute for the Bonus Hammer scatter symbol to complete winning scatter combinations or to activate the Great Hall of Spins Bonus game.
If the Thunderstruck II wild, multiplier symbol substitutes in a winning combination during any Great Hall of Spins Bonus game, the payout is multiplied by the Thunderstruck II wild multiplier value and any Great Hall of Spins Bonus game multiplier value.
All bets and pay ways played in the Free Spins are the same as the spin that activated the Great Hall of Spins Bonus game.
The Bonus Hammer symbol is also a scatter symbol. Winnings are calculated by multiplying the Bonus Hammer symbol combination payout according to the "Regular Payout Schedule", by the total number of coins bet.
When the Free Spin Bonus Round game is complete, you are returned to the regular Thunderstruck II slot machine game and your Free Spin game wins are added to your win total.
Valkyrie Free Spin Bonus
You win Ten Free Spins in the Valkyrie Free Spin Bonus game. All wins are multiplied by a 5x multiplier value during the Free Spins.
The Valkyrie Free Spin Bonus game is permanently available when the Great Hall of Spins Bonus game is activated.
The Thunderstruck II Logo wild symbol does not substitute for the Bonus Hammer symbol to activate the Great Hall of Spins Bonus game.
All the bets and pay ways played in the Free Spins are the same as the spin that activated the Great Hall of Spins Bonus game.
If three or more Bonus Hammer symbols are scattered on the reels during a Free Spin, you win an additional 10 Free Spins. The extra Free Spins are added to the remaining number of Free Spins.
During Free Spin Bonus Round, an infinite number of additional Free Spins can be awarded.
Note: The Bonus Hammer symbol is also a scatter symbol. Winnings are calculated by multiplying the Bonus Hammer symbol combination payout according to the "Regular Payout Schedule", by the total number of coins bet.
When the Valkyrie Free Spin Bonus game is complete, you are returned to the regular Thunderstruck II slot machine game and your Free Spin game wins are added to your win total.
Loki Free Spin Bonus
You win Fifteen Free Spins in the Loki Free Spin Bonus game.
The Loki Free Spin Bonus game is unlocked after activating the Great Hall of Spins bonus game five times.
The Thunderstruck Logo symbol does not substitute for the Bonus Hammer symbol to activate the Great Hall of Spins Bonus game.
If a 
Wild Magic symbol is displayed on reel 3 during a Free Spin, random regular symbols are transformed into Wild Magic symbols.
The Wild Magic symbol can transform up to fourteen regular symbols into wild symbols. The transformed symbols substitute for other symbols to complete winning combinations.
Note: There are no payouts for the Wild Magic symbol.
All the bets and pay ways played in the Free Spins are the same as the spin that activated the Great Hall of Spins Bonus game.
If two, three, four, or five Bonus Hammer symbols are scattered on the reels during a Free Spin, you win one, two, three, or four extra Free Spins respectively. The extra Free Spins are added to the remaining number of Free Spins.
During Free Spin Bonus Round, an infinite number of additional Free Spins can be awarded.
Note: The Bonus Hammer symbol is also a scatter symbol. Winnings are calculated by multiplying the Bonus Hammer symbol combination payout according to the "Regular Payout Schedule", by the total number of coins bet.
When the Loki Free Spin Bonus game is complete, you are returned to the regular Thunderstruck II slot machine game and your Free Spin game wins are added to your win total.
Odin Free Spin Bonus
You win Twenty Free Spins in the Odin Free Spin Bonus game.
The Odin Free Spin Bonus game is unlocked after activating the Great Hall of Spins Bonus game ten times.
The Thunderstruck Logo wild symbol does not substitute for the Bonus Hammer symbol to activate the Great Hall of Spins Bonus game.
When a win occurs during the Free Spins, the Wild Raven Bonus Feature is activated. One or two of Odin's Ravens will fly onto the reels and land on random symbols. This transforms the symbols into multiplier symbols.
These symbols substitute for other symbols to complete winning combinations, and multiply the payout by either a 2x, or a 3x multiplier value.
Note: If both the ravens land on the same winning pay ways, any winnings are multiplied by a 6x multiplier value.
All the bets and pay ways played in the Free Spins are the same as the spin that activated the Great Hall of Spins Bonus game.
Note: The Great Hall of Spins Bonus game cannot re-activate during the Odin Free Spin Bonus.
Note: The Bonus Hammer symbol is also a scatter symbol. Winnings are calculated by multiplying the Bonus Hammer symbol combination payout according to the "Regular Payout Schedule", by the total number of coins bet.
When the Odin Free Spin Bonus game is complete, you are returned to the regular Thunderstruck II slot machine game and your Free Spin game wins are added to your win total.
Thor Free Spin Bonus
You win 25 Free Spins in the Thor Free Spin Bonus game.
The Thor Free Spin Bonus game is unlocked after activating the Great Hall of Spins bonus game fifteen times.
The Thunderstruck II Logo symbol does not substitute for the Bonus Hammer symbol to activate the Great Hall of Spins Bonus game.
When a winning combination is displayed during a Free Spin, the Rolling Reels™ Feature is activated. All symbols in the winning combination explode, and disappear after you are paid out.
The symbols above the exploded symbols cascade into the empty spaces. Further winning combinations are then possible, without using your Free Spins.
Note:
- Each time the symbols cascade, you are awarded a multiplier value for that spin. Any wins are multiplied by this multiplier value.
- The multiplier values range from 1x, to 5x and increase for each consecutive cascade, up to a maximum of a 5x multiplier value. If no consecutive symbols cascade, the multiplier value for the next spin resets to 1x.
All the bets and pay ways played in the Free Spins are the same as the spin that activated the Great Hall of Spins Bonus game.
The Great Hall of Spins Bonus game cannot re-activate during the Free Spins.
Note: The Bonus Hammer symbol is also a scatter symbol. Winnings are calculated by multiplying the Bonus Hammer symbol combination payout according to the "Regular Payout Schedule", by the total number of coins bet.
When the Thor Free Spin Bonus game is complete, you are returned to the regular Thunderstruck II slot machine game and your Free Spin game wins are added to your win total.
Wild Storm Bonus Feature
The Wild Storm Bonus Feature game is randomly activated during the regular Thunderstruck II slot machine game.
In the Wild Storm Bonus Feature up to five reels are transformed into wild reels. This means that all the reel positions can substitute for other symbols to complete winning combinations.
The Thunderstruck II Logo symbol and the Bonus Hammer symbol do not display during the Wild Storm Bonus Feature game.
Note: Only one winning combination is paid out per pay way. If there is more than one possible winning combination on a pay way, you are paid out the value of the highest combination only.
The Wild Storm Bonus Feature game wins are logged as achievements.
When the Wild Storm Bonus Feature game is complete, you are returned to the regular Thunderstruck II slot machine game and your Bonus Prize game wins are added to your win total.
Payout Table Achievements
You can earn payout table achievements during the regular Thunderstruck II slot machine game and the Wild Storm Bonus Feature game.
Payout table achievements are earned by completing all payout combinations for each symbol.
The Wild Storm Bonus Feature game wins are logged as achievements.
If a Thunderstruck II Logo wild, multiplier symbol substitutes in a winning combination, this win is not logged as an achievement.
The Great Hall of Spins Bonus game wins are not logged as achievements.
Achievements remain permanently highlighted on the payout table, even after you exit the Thunderstruck II slot machine game.
Game Modes
The Casino has two game modes you can select. These are "Regular Mode" and "Expert Mode".
"Regular Mode" is normal game play mode with no "Advanced Features".
"Expert Mode" offers advanced features and "Regular Mode" game play features. You can set a game to "AutoPlay". This enables you to automatically play a selected number of consecutive spins, without having to interact with the software.
"Spin 5x" button: Starts a slot game and automatically spins the reels. Five games are played in succession. This is the same as clicking the "Spin" button five times.
"Spin 10x" button: Starts a slot game and automatically spins the reels. Ten games are played in succession. This is the same as clicking the "Spin" button ten times.
"Spins" box: Displays the number of games that have played according to your "AutoPlay" settings.
You can use the Autoplay option if you want the slot machine to play automatically for a number of spins. The Autoplay option is available by clicking on the expert button at the bottom of the slot machine game.
Select the coin you want to play with, select the number of paylines you want to bet on and click on the Autoplay button to launch the Autoplay menu.
From this menu, you can select the number of spins you want to play automatically, time delay between each spin and various stop settings.
Once you are done selecting the Autoplay Features, click on the Start button in this menu and game will begin to play automatically.
Regular Symbols
| Thor |
Odin |
Loki |
Valkyrie |
Asgard |
Long Boat |
 |
 |
 |
 |
 |
 |
| Ace |
King |
Queen |
Jack |
Ten |
Nine |
 |
 |
 |
 |
 |
 |
Regular Payout Schedule
Winnings paid out on the Thunderstruck II slot machine game are dependent on the symbols displayed on the payline, once the reels have come to a stop.
All pay ways are permanently enabled for every spin, so you cannot select or deselect pay ways. If winning symbol combinations are displayed on multiple pay ways, you are paid out for each combination.
The bet amount you choose is multiplied by a 30x bet multiplier per spin, for example, if you bet 1 coin, you are betting 1 coin x 30 bet multiplier = 30 total coins bet per spin.
For a combination of regular symbols to produce a winning regular combination, the following criteria must be met:
- Three or more matching symbols must be displayed in any position on consecutive reels.
- The first symbol in the combination must display on the first slot reel.
| Symbol Name |
2 Symbols |
3 Symbols |
4 Symbols |
5 Symbols |
| Thunderstruck II |
--- |
75 |
200 |
1,000 |
| Thor |
--- |
30 |
100 |
500 |
| Odin |
--- |
30 |
100 |
450 |
| Loki |
--- |
20 |
80 |
400 |
| Valkyrie |
--- |
20 |
80 |
350 |
| Asgard |
--- |
15 |
60 |
300 |
| Long Boat |
--- |
15 |
60 |
250 |
| Ace |
--- |
10 |
20 |
150 |
| King |
--- |
10 |
20 |
150 |
| Queen |
--- |
7 |
15 |
125 |
| Jack |
--- |
7 |
15 |
125 |
| Ten |
--- |
5 |
10 |
100 |
| Nine |
--- |
5 |
10 |
100 |
| Scatter |
1x |
2x |
20x |
200x |
Multiple Pay Way Schedule
There are two hundred and forty-three possible ways to win on the Thunderstruck II slot machine game. Each winning way is dependent on the symbol combination displayed on the reels.
Regular winning combinations pay out from left to right, regardless of their position on the reels. Three or more matching symbols must be displayed on consecutive reels, with the first symbol displaying on reel 1.
All pay ways are permanently enabled for every spin, so you cannot select or deselect pay ways. If winning symbol combinations are displayed on multiple pay ways, you are paid out for each combination.
The bet amount you choose is multiplied by a 30x bet multiplier per spin, for example, if you bet 2 coins, you are betting 2 coins x 30 bet multiplier = 60 total coins bet per spin.
Regular wins are calculated by taking the number of coins won, multiplied by the number of coins bet.
The value of credits won depends on the coin size you select. Your credits win amount is the total number of coins won multiplied by the coin size you select.
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