Big Thunder Slots

Big Thunder slot review

You might assume that a slot called Big Thunder would be about the Norse God 'Thor' or something equally thunderous. However, this is not the case with Ainsworth's online video slot Big Thunder, which is set in the jungle with a mighty Gorilla taking centre stage. Land-based slots players may have already played Big Thunder in casinos. This one is almost the same, with a few adjustments in this 'King Strike' adaption. There are 30 paylines over 5 reels and 3 rows plus a single-symbol reel on the left of the middle row. The other symbols are waterfall, drum and snake and there are the usual card symbols for lower pays.

Jungle jaunts

Big Thunder Slots is a pretty snazzy and rewarding site as far as Jumpman brands go. We love how easy the website is to use, how rewarding the welcome offer can potentially be and the selection of games to choose from is undoubtedly top-notch. The network itself has improved recently, with more promotions to keep you coming back for more.

The game doesn't have a musical soundtrack like many but simple noises for spinning and any wins. The Gorilla is the Wild and appears only on reels 3, 4 and 5 stacked, but is very frequent! The highest-paying 5-of-a-kind is the scatter offering 50x stake whereas for symbols it's only 5x stake, for which there is a reason we shall see in the bonus.

Jungle jackpots

1. Big Thunder Slots is operated by Jumpman Gaming Limited which is licensed and regulated in Great Britain by the Gambling Commission under account number 39175. For customers outside of Great Britain Big Thunder Slots.
2. The Big Thunder Slots experience is designed to emulate a volcano or mountain, with the thunderclap theme running through various elements of the site. As the name would suggest, Big Thunder Slots is primarily focused on online slot games, however you will also find online casino games, instant games and online bingo to name just a few.

There are 4 built-in jackpots you can win by landing certain 5-of-a-kind wins on the screen when a Crown also appears on the 6th. single-symbol reel. So 5 of the lower card symbols on a win-line combined in any mix with the Crown will pay the Mini Jackpot, the same but with higher card symbols the Minor, with lower premium symbols the Major and higher premium symbols the Mega. These are fixed amount that are increased with your own play.

Thundering bonus

Three or more Big Thunder scatters anywhere triggers 15 free spins. These are unique in design and work very differently to what you may be familiar with! Firstly the card symbols disappear and the Wild Gorillas now appear singly on all reels and even substitute for the scatter. The mini-reel on the left then has scatters added as well as 3x and 5x multipliers, so if you don't hit a blank space you'll get one of those three. All wins now pay as scatter wins, but only if they fall on one of the 30 paylines, bar the scatters themselves. Confused? It's actually quite simple - you win if any 3 similar symbols/Wilds fall on any payline in any position. You don't get retriggers for the whole 15 spins, but any 3+ combination of scatters/Wilds anywhere will add 8 extra spins. You can now hit 200x stake for 6 scatters if you land the scatter on the end single reel! You could also hit 5 scatters on the reels with a 5x multiplier on the small reel for 500x stake as scatter awards are double in the bonus. The game is very much centred on the free spins.

Our View...

Big Thunder is a great addition to the Ainsworth range of online slots. It has a lot to live up to when compared with other slots from this developer such as the very-playable Eagle Bucks or the highly-rated Grand Dragon, but holds its own with ease. A reasonable 94.38% RTP and the free spins aren't too hard to trigger which is fortunate given their apparently significant contribution to the slot's overall returns. The potential for big hits is there too and the sounds are quite tolerable for the long session, not forgetting you have jackpots to play for as well! Maybe it's time for my rumble in the jungle...

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Roaring Big Thunder Slot - Jungle Time!

Looking for a roaring time? Big Thunder slot may be the hidden gem your searching for! Ainsworth really held no punches giving players a stellar game experience with this slot. Surprisingly this is still one of their less popular games, we think this might be due to its rather simplistic interface. Still, it has some pretty awesome bonus round and free spin features that just might give you a taste for the jungle. If this peaked your interest, check out our Big Thunder slot review below where we’ll delve into all the slot details.