WELCOME OFFERS FOR NEW CUSTOMERS

£10 free - No deposit required

New players only. Opt in required. 7 day expiry. 99x wagering requirement. £50 max win and withdrawal for non-depositors. Only bonus stakes contribute towards wagering requirements. All games contribute except all blackjack variants. 18+ Begambleaware.org T&C's Apply

First deposit offer up to £200

New players only. Deposit £20, £50, £100 or £200 as a single first deposit and wager 40x for a matched cash reward. 7 day expiry. Only cash stakes will qualify. Available on all games except all blackjack variants. 18+ BeGambleAware.org T&C's Apply

Thundercats: Reels of Thundera

The fierce alien felines are back in this galactic slot experience - Thundercats: Reels of Thundera. The elusive bonus wheel may await explorers who roam planet Thundera, and those who get to spin the wheel will be granted one of six bonus features, with the option to gamble their way to the most lucrative of them all - Ancient Spirits of Evil.

20

Lines

£0.10

Min Bet

£100.00

Max Bet

95.73%

RTP

Bonus: Bonus Modifiers, Sight Beyond Sight, The Black Pyramid, The Ever-Living Free Spins, Hear the Roar Free Spins, Thundercats Hooo! Free Spins, Ancient Spirits of Evil, Ultimate Thunder Bonus

About Thundercats: Reels of Thundera Slot

Thundercats: Reels of Thundera slot is an online casino game created by Blueprint Gaming. Themed around the beloved cartoon, this isn’t the first time the Thundercats gang have crash landed at 21.co.uk. The sequel brings even more action than the original Thundercats slot, with six interactive bonus features all inspired by the iconic cartoon. There are also ten different bonus modifiers on offer which can trigger at random.

Spin five reels against a fiery backdrop of molten lava, which bubbles beneath purple skies and blood-red clouds. High paying symbols are the Thundercats logo, followed by the various weapons and items you need to defeat the evil Mumm-Ra.

Play Thundercats: Reels of Thundera slot on mobile, desktop or tablet here at 21.co.uk.

How to Play Thundercats: Reels of Thundera Slot

See below for an explanation of each button and its function.

Main Menu
Select the icon featuring three white bars to reveal the main menu. From here you can view the paytable (symbol values etc) and game settings.

Bet
Use the arrow buttons above and below the bet display window to increase or decrease your total bet. Double check that this value is to your satisfaction before playing Thundercats: Reels of Thundera.

Spin
When you’re ready to roll with the Thundercats, hit the spin button.

Autoplay
You can play Thundercats: Reels of Thundera in auto mode. Click on the autoplay button then choose a set number of plays, a loss limit and a win limit.

Thundercats: Reels of Thundera Special Features

Thundercats Modifiers

There’s a whopping ten modifiers on offer in Thundercats: Reels of Thundera slot, all of which are delivered by characters from the cartoon.

Modifiers which are randomly triggered during any spin are as follows:

Lion-O
Applies Wilds to the reels, improving your chances of landing a winning combination.

Tygra
Swipes the reels with the aim of turning them Wild - any resulting wins will retrigger the modifier.

Panthro
Strikes the reels, linking them together to deliver identical symbols. Between two and five reels can be linked.

Cheetara
Dashes over the reels, shuffling all symbols to new positions. This modifier can be retriggered up to five times.

Wily Kit and Wily Kat
The duo apply Mystery Symbols to the reels, which will transform into the same symbol when the reels stop spinning.

Snarf
Places bonus symbols on the reels, improving your chances of activating the bonus feature.

Modifiers which are triggered randomly after a losing spin are as follows:

Cheetara
Sprints across the screen to reveal a five-of-a-kind winning combination.

Runs across the reels to upgrade random symbols to the Thundercats symbols for a high paying win.

Sword of Omens
Slashes the reels to destroy symbols, enabling new ones to fall into position.

Lightning strikes the reels to destroy all symbols in view, which are then replaced with new symbols.

Thundercats Bonus Feature

Land three or more of the bonus symbol to trigger the Thundercats Bonus Gamble. Spin the wheel to win one of six bonus features. If you aren’t happy with your prize, you can gamble it to try and win a higher paying bonus round.

Sight Beyond Sight
Choose an Eye of Thundera to reveal one of four different outcomes:

Lion-O - increases the cash multiplier
Thundercats Logo - upgrades the cash multiplier values
Mumm-Ra - Ends the feature
Thundertank - takes you to another bonus

Should the Thundertank be revealed three times, you can trigger any of the five other bonuses.

The Black Pyramid
Pick from the emblems to reveal one of three outcomes:

Lion-O - moves your marker along the pyramid
Thundercats Logo - upgrades the bonus at the top of the pyramid
Mumm-Ra - ends the feature

The Ever-Living: Free Spins
A multiplier will be displayed on screen, which takes on a random value between 2x and 5x, multiplying any wins by the selected value. If the special Mumm-Ra symbols land on the reels, additional Ever-Living spins will be awarded, in which the multiplier can increase to up to 10x.

Hear the Roar: Free Spins
If the special Lion-O symbol is landed, one of the other symbols will be upgraded, indicated by the image beside the reels. This may occur up to four times. When free spins have been completed, you’ll be given the chance to win more. Pick an Eye of Thundera to reveal either Collect or Free Spins. If you reveal the latter you could claim an extra five free spins.

Thundercats Hooo! Free Spins
Any Wilds landed will be locked into place for the duration of the bonus. Fill an entire reel with Wilds to claim an extra five free spins.

Ancient Spirits of Evil
Triggered via the bonus wheel, gambling to or by landing five Bonus symbols.

Choose from the emblems on screen to reveal one of five outcomes:

Lion-O - spins the wheel
Thundercats Logo - moves you to the next ring
Mumm-Ra - ends the feature
Red Arrow - adds more Red Arrows to the wheel
Upgrade - increases values on the wheel

Reach the centre of the wheel to trigger the Ultimate Thunder Bonus.

Ultimate Thunder Bonus
All winnings from Ancient Spirits of Evil are transferred to the Ultimate Thunder Bonus.

Pick one of the Thundercats to reveal a multiplier which will be applied to your winnings.

Thundercats: Reels of Thundera - the Verdict

We’re very pleased to see this epic slot sequel land at 21.co.uk. If you’re big on bonus features, this is the game for you. Our favourite feature is the Ultimate Thunder Bonus, as this increases your winnings from the highest paying bonus even further, meaning huge prizes can be claimed. If you’re looking for more TV to slot adaptations, take a look at Inspector Gadget and Top Cat slot.