Big Thunder

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Come face to face with one of the biggest beasts in the forest and you could be in for some gaming thrill! Big Thunder Slot is themed on a legendary silverback gorilla who lives in the tropical forest of this slot machine. It's not every day that you get to face one of nature's most powerful specimens. But players of this game will have the chance to spot a true creature – the gorilla.

Jammed with 5 reels, Big Thunder Slot offers 30 bet lines. The reels are bounded by an overgrowth of primordial vegetations and constricting vines. Ready to set things rolling? Grab any device of your choice and start up the title. It is accessible at one of UK’s online bingo sites – Give Back Bingo. Action-Packed gameplay awaits you!


Symbols include a number of artefacts from the rarely explored habitat. Expect to find huge python snakes, warriors shields, tribal drums and masks and the star of the show himself – the domineering silverback gorilla. Other symbols include the normal Poker Card values 9, 10, A, K, Q and J.


Microgaming is the genius behind the production of Big Thunder Slot. As usual, the talented provider has included many elements in the game which might fascinate you. Have a ball!

Key Features on Big Thunder Slot

Big Thunder is himself the Wild Symbol of Big Thunder Slot. He chips in for all other symbols when landing on a payline to form winning combinations. However, the Big Thunder scatter icon cannot be replaced. The Free Games Bonus Feature is activated by landing 3 or more of the Big Thunder scatter symbols on the reels. You will then receive 15 free games.

If you manage to land 3 more Big Thunder scatters during the feature, you will be awarded an extra 5 spins. There is a 6th reel which comes in handy since it will multiply each win by 3x or 5x.  Wondering about the King Strike Bonus? You must have noticed several jackpot prizes above the reels. These can be earned in the following ways on Big Thunder Slot:

  • Mini Prize– 5 of the high-value symbols in a winning match with wilds and the crown on reel 6.
  • Minor Prize– 5 of the high-value symbols in a winning match with wilds and the crown on reel 6.
  • Maxi Prize– 5 of the low-value symbols in a winning match with no wilds and the crown on reel 6.
  • Major Prize– 5 of the high-value symbols in a winning match with no wilds and the crown on reel 6.

Wagering Options

Get into action by selecting the bet amount of your preferences! Stakes range from a minimum of 0.01 to a maximum of 100. The number of bet lines can be modified in the Lines field. It varies from 1 to 30. An Autoplay Feature is at hand on Big Thunder Slot! You are provided with up to 100 spins. Once the selection is made, the reels will play on its own!

Explore for More on Give Back Bingo

Take a plunge in the collection of slots at Give Back Bingo! The website brings to you many other animal-themed games where you can have great fun. Want to discover some of their names? Play Banana Rock Slot, Cats and Cash Slot, Thai Flower Slot, Reel Talent Slot, Elephant King Slot and Wacky Panda Slot. These titles are available at any time.