Big Thunder Free Pokies

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This slot is not available to play due to UKGC’s new licence condition
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Big Thunder Slot Game Bonuses

Max Coins Per Spin:
Free Spins:
Scatter symbol:
Min Coins Per Spin:
Autoplay Option:
Wild Symbol:
Bonus Game:
3,000x Stake

Big Thunder slots come with a 5×3-reel layout and 30 paylines. You will have to land three or more Wild symbols across the payline to win this game. You can start with as low as 0.30 credits for a spin. The maximum bet allowed for this game is 3,000 credits.

This game offers an RTP of 94.38% and high volatility. The players can win as high as 10,000 times your original bet. You can also enjoy 5x multipliers.

Let’s dig into this is slot review and see what the Big Thunder by Ainsworth brings to the table.

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Big Thunder Slot Machine Features

Big Thunder Slot MachineThis Big Thunder demo and the real game offer multiple amazing features that are unparalleled in the market. You can also enjoy the “retrigger feature” that is rare with other slots. Let’s explore the features of this online casino game in detail.

  • Free Spins. If the player lands three or more Scatter symbols on the same spin, they can enjoy up to 15 Free Spins.
  • Bonus Reel Feature. You will find a bonus reel feature on the right side of the slot. This is the sixth reel that is independent of the first five reels. You can enjoy various multipliers with this sixth reel.
  • Retrigger Feature. If you land three or more Scatter symbols on the same free spin, you can enjoy five more Free Spins.
  • Modified Paytable. This game also offers a modified paytable for the Free Spins. Therefore, you can enjoy a higher payout with this paytable.

You can play Big Thunder slot for free on our site to try all these winning features.

How to Play Big Thunder Slot?

You can play Big Thunder free play or the real game. The game offers simple gameplay that can be easily understood. You can enjoy up to 30 paylines with this online slot game. Here is how to play the Big Thunder slot game:

  1. Firstly, you will have to select the coin value depending upon your preferences. The minimum bet is 0.01 credits per line. The highest amount possible for betting is 100 credits per line.
  2. Once you have chosen your bet amount, you can play the game using the spin feature.
  3. You can also hold down the spin button to activate the automatic spin feature. This way, you can enjoy 25 automatic spins before it comes to a stop.
  4. The buttons on the left side of this slot will allow you to set a loss limit to end the autoplay feature. The buttons on the right will help you set a single win amount to stop the autoplay feature.

RTP and Volatility Overview

Big Thunder slot demo and the real game offer an RTP of 94.38%. This slot game is a highly volatile one. So, you can win big money, but the payouts are not frequent. This game is ideal for high-rollers who are not afraid of taking risks.


This game offers an interesting design and gameplay. However, it is well-suited for high-rollers who are not afraid of the high volatility of the game. The variance is also quite high. However, you will have fun playing this game, and you can win big money if you wait long enough.

Try the Big Thunder demo play and other Ainsworth games on our site for free! Check out the amazing Gorilla Gold Megaways slot for free.

Advantages and Disadvantages

Here are the topmost benefits of this game:

  • Amazing Graphics
  • Easy to Play
  • Retrigger Feature for More Spins

Here are the topmost disadvantages of this game:

  • Medium RTP
  • High Volatility
  • High Variance


Can I Win Real Money While Playing the Big Thunder Slot?

You can play the Big Thunder demo play to understand how the game works. Moreover, you can also win real money while playing this free slot game. However, you will have to bet with real money as well.

Can I Play Big Thunder Slots on Mobile?

Yes, this game is mobile compatible. You can play the Big Thunder slot game on your mobile without any issues.

Does the Big Thunder Slot Have a Jackpot Feature?

As an online pokie, you should know that this game offers four jackpot options; mini, minor, maxi, and a major jackpot. You can win up to 333.33 times your stake.

Can I Also Play the Big Thunder Slot for Real Money on Your Site?

You can play for fun on our website. If you want to win real money, you can choose one of our trusted partners and use their platform to bet with real money. You can play the demo mode on our website without download. You can also enjoy the “no registration” feature on our website.

What Does the RTP Value of This Game Mean to Me?

The game offers an RTP value of 94.38%. So, it means that the game pays out 94.38 for 100 dollars spent on the reels.