Big Thunder Slot: Demo Play, Review, Casinos List

AinsWorth is the maker of Big Thunder (released on Oct. 13, 2013), which has 30 adjustable betways and a RTP of 94.38 %. The volatility level is High and the top possible win equivalents x10000. This slot has got Bonus game, Free spins, Wild, Scatter, Multiplier bonus features.

Mighty Silverback’s Domain

Big Thunder brings a powerful Jungle vibe, giving you a chance to observe a formidable silverback gorilla amongst vines, masks, and tribal drums. This slot was released on Oct. 13, 2013, under the AinsWorth brand. Personally, I like the vibrant colors on the animals and artifacts, though the overall graphics might feel a bit old-fashioned to some. The sounds are mostly low-key tribal beats, occasionally punctuated by thundering effects when you hit a winning combo, so it’s not too intense on the ears.

Built around 5 reels and 30 paylines , Big Thunder pays from the leftmost reel to the right. You can also cut down the number of active lines if you prefer, which is a plus for players on smaller budgets. Betting ranges from 0.01 EUR to 100 EUR per line, making the total stake as high as 3,000 EUR if all 30 lines are on. The top possible reward hits x10,000 your bet, which might give you big adrenaline surges, especially if you enjoy that high-risk chase. On smartphones, the layout scales nicely, so I don’t recall having trouble spinning on a smaller touchscreen. Among the symbols, I consider the gorilla and the waterfall to be the ones you’d hope to see the most, since those icons usually bring higher returns.

Sound, Symbols, And Wagering

In terms of general feel, I’d say Big Thunder tries to blend a rainforest theme with a dash of mystical atmosphere. You’ll spot tribal shields, serpent images, and a big mask that stands out on the reels. The gorilla symbol, in particular, doubles up as a Wild, stepping in to help complete winning lines, although it doesn’t replace the scatter or the Bonus crown symbol. The audio can get repetitive, but I believe it complements the setting just fine.

Wagering is flexible, and Adjustable Paylines let you dial down to as few as 1 active line if you’re feeling cautious. I personally think it’s wise to keep all 30 running to maximize your odds, but it’s totally up to your preferences. Even though the game can host huge total stakes, smaller bettors might not feel excluded because a 0.30 EUR spin is a possibility. I find the maximum potential of x10,000 especially thrilling, giving you something major to chase.

RTP And High Volatility

Big Thunder has a declared RTP of 94.38%, which is admittedly lower than many modern slots that sit closer to 96% or beyond. I consider that a somewhat steep house edge if you plan extended sessions. Some providers, like Pragmatic or Red Tiger, might ship slots with adjustable RTP, but AinsWorth is not typically known for that. So unless an online casino tries anything sneaky, you should be facing the standard 94.38% each time.

On top of that, Big Thunder is a high volatility experience. In my opinion, you’ll want a deep bankroll of at least 500 bets for a comfortable run, because the slot can go several spins without awarding big payouts. However, once you do land a decent combo, it often feels pretty rewarding. High-volatility fans usually see this approach as worth the occasional dry spell, and I’d agree that the potential for giant wins is there if you get lucky.

Free Spins Deep In The Jungle

This slot’s Free Spins feature triggers anytime you land three or more Scatter icons (the ones labeled “Big Thunder”) in any positions on the reels. When that happens:

• Three scatters = 15 free spins
• Four scatters = 15 free spins + a bigger scatter payout
• Five scatters = 15 free spins + an even larger scatter prize

During free spins, many low-paying card symbols vanish, so you have better odds of hitting bigger combos. If additional scatters pop up during the feature (at least three), you can grab extra free spins. I think the highlight is seeing the 3x or 5x Multiplier on the special reel that can supercharge any line win. Getting that 5x to align with a high-paying combo is a great feeling. Overall, these freebies can be the slot’s prime money-maker, so I never take them for granted.

Bonus Crown Reel

One special Bonus Game in Big Thunder involves a bonus reel on the right side. It mostly stays blank until you manage to line up five-of-a-kind across one of your active paylines. If a golden crown appears on that extra reel at the same time, you can claim a jackpot-style reward:

• Mini prize: For five low-tier icons (9-A) with at least one Wild.
• Minor prize: For five mid-tier symbols (masks, drums, snakes, etc.) with at least one wild.
• Maxi prize: For five low-tier icons without a wild used.
• Major prize: For five mid-tier icons without a wild used.

The Major bonus can be up to x10,000 your line bet, which matches the slot’s top potential. In my view, it’s a clever way to add some unpredictability, since you never know when that crown might show up.

Surprises In The Foliage

• Scatter symbol: “Big Thunder” text. It triggers free spins if you see it three or more times and it pays scattered wins for 2 or more occurrences, which is nice.

• Wild symbol: The silverback gorilla. It acts as a stand-in for most icons, but it doesn’t replace scatters or the crown. I believe it’s crucial for those big combos.

• Adjustable Paylines: This is handy if you want to stretch out your balance. I’d personally keep the lines maxed, but it’s good to have the option.

Pros And Cons

Pros:

• Maximum win can reach x10,000, which is quite tempting

• Bonus reel adds extra excitement to five-of-a-kind combos

• Free Spins mode comes with fewer low-paying symbols and multipliers

• high volatility can lead to significant paydays for those with patience

• You can bet up to 3,000 EUR per spin if you enjoy going big

Cons:

• The 94.38% RTP is below industry average

• Visuals might feel slightly outdated

• Not ideal for anyone who prefers frequent small wins

Big Thunder FAQ

What Is The Biggest Win On Big Thunder? You can pocket up to x10,000 your wager, especially if you trigger the Major jackpot under perfect conditions.

Does Big Thunder Have A Free Spins Feature? Yes, collecting three or more Big Thunder scatters will set off 15 free spins with added multipliers.

Is There A Mobile Version Of Big Thunder? Indeed. You can play it on smartphones or tablets, and it runs without any problem in my experience.