Ainsworth Gaming’s Big Thunder is one of the best online slot machine games that you will ever play, it’s designed with a focus on forests and tribal life. Get up close and personal with one of the biggest animals in the jungle and you could be lucky enough to bag a few nice pay-outs along the way.

The Big Thunder pokies machines is based on a endangered Silverback Gorilla who resides in the tropical jungles. The 5-reel game has 30 paylines in total, it has some low variance when it comes to the frequency of getting some winning spins.


Big Thunder Free Online Slot Game Review

Big Thunder commences some of Ainsworth’s top creation with animals and characters related to fauna. This game is nowhere different and feature forest life with 30 paylines and over 5 reels.

Reel symbols

Big Thunder features some of the easiest recognizable symbols in the game, which includes characters such as gorilla and tribal artifacts such as drums. 14 symbols including the bonus symbols are featured.

Base game symbols and pay tables

  • Waterfall: This is the highest paying symbol of the lot, and pays off about 200 coins, when the entire reels are filled with the same symbols. The payouts for appearing 4 and 3 times are 50 and 10 coins respectively.
  • Drum: Drum symbols have the same slot payouts as that of the waterfall symbol.
  • Snake: This symbol appears in the main base reels and contains the 2nd highest joint payouts among the regular paying symbols. The multiplier values of 1.50 Euro multiplier is won when 5 of these symbols appear anywhere on the reels. Payouts of 0.75 and 0.08 coin multipliers, when appeared for 4 and 3 times respectively in the reels follow this.
  • Shield: Shield payout values are the same as that of the snake.
  • Mask: The mask symbol pays off 1.00 euro multipliers when 5 of these appear on the reels. For appearing 4 and 3 times, the payouts are 0.50 and 0.05 coin multipliers.
  • Low Payout Symbols: The low payout symbols of the game includes regular card paying symbols from 9 to Ace, where the Ace contains the highest of the lot coin payouts at 0.75 euro coin multipliers for appearing 5 times anywhere in the reels.

Bonus Games and Features

  • Wild: Wild symbol of the game is represented by an image of a gorilla. The symbol appears only on 3rd, 4th, and 5th reels and works as the trump symbol only. The Wilds in the game appears on stacks.
  • Scatters: The Scatter symbol of the game is a Big Thunder imaged logo with a waterfall background. This symbol has a self-payout scheme and pays out 15 coin credits for appearing 5 times in the reels. 6 and 0.60 coin credits for appearing 4 times and 3 times respectively follow this.
  • Bonus Reel Feature: In this feature, 15 free games are given to the players account and this is triggered with the help of 3 or more Scatters. During the feature, a new bonus reel appears with big thunder and bonus multiplier symbols.
  • King Strike Bonus: This round gets going with the appearance of the King Strike symbols, and allows the players to win bonuses on any symbol combination on reel 6.

Summing Up Big Thunder

Big Thunder Slot Machine game is a game by Ainsworth gaming, which primarily features on giving the players a new dimension in multipliers on a video slot games. With so many features galore, this is more than worth trying.


**Review of the free online PC, Mac, iPad, iPhone, Android version of Big Thunder Ainsworth slot game**

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