Game description

Big Thunder Slot

Big Thunder Slot

Big Thunder


Enter the Jungle and search for lost treasures in the Big Thunder slot machine by Ainsworth Gaming. Featuring the legendary Gorilla whom inhabits the jungle themed reels of this slot, you can win up to 10,000x your bet across the game’s 30-lines.


This player favourite game  brings you into the heart of the jungle of Central Africa, home to the great Silverback Gorilla. The game has great features like wilds and free spins but the greatest feature has got to be the King Strike symbol. This is a sixth reel that when landing a crown alongside a 5 of a kind combo, awards a jackpot prize. Take your chances at hitting the King Strike and play the free Big Thunder slot!


Slot Features


Gorilla Wilds – Being the main character of the game, the mighty Silverback Gorilla is the wild in this game.  He can substitute for all other symbols except the scatters and King strike to complete wins when possible. You can find this symbol on reels 3, 4 and 5.


Free Spins & Bonus Reel Feature – The Big Thunder symbols is the game’s scatter symbol.  When you land three or more scatter symbols anywhere on the reels in a single spin you will earn 15 free spins.  During this round, a bonus reel appears with 2 new bonus symbols: x3 and x5. These two symbols will act as a multiplier on your free spin wins!


King Strike Symbol – The King Strike symbol appears on reel 6 only and only during paid games. When it lands, you will have the chance to win one of the four jackpots showing at the top of the game.  Different 5 of a kind combinations result in the different jackpots being won, but for all of them you will need to land the King Strike symbol on the 6th reel.



Choose your bet size and number of line to play and then Spin to Win!

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How to play

Choose your bet size and number of line to play and then Spin to Win! is an independent online slot machines directory offering a Free Slots and Slots for Fun service free of charge.

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