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• Thunderhorn slot has the following features: The game area is a 5×4 grid. There are 5 reels and each one can hold 4 symbols. Thunderhorn online slot contains 1.024 betlines.

The Thunderhorn video slot has a basic game that is not offering anything extraordinary, but it has a free spins bonus round that is one of the most exciting and lucrative out there. You can play it now online at one of the casinos which carry Bally Technologies games to.

Prepare to bulldoze the reels in thunderous fashion as a massive Black Rhino to leave the reels in a storm of dust as you escape back into the wilderness with huge wins in toe.

Set in the stunning African Savanna (which is pictured behind the reels) where the Rhino’s roam the tropical grassland and enjoy warm temperatures all year round, the Thunderhorn slot machine from Bally Technologies will instantly remind you of the Raging Rhino slot machine developed by WMS, but will Thunderhorn prove to be a thundering success like it’s rival has?

Big Animal, Big Stakes!

The structure of Thunderhorn sees it played across 5 reels and contain 1,024-ways (just like IGT’s White Orchid slot machine) which means there are numerous staking options to ensure you can enjoy it no matter what size your bankroll is. The absolute minimum you can spin the reels for is 40p while the high rollers amongst you will be able to play for Rhino-sized stakes to the tune of £640 each and every spin. In addition to this it boasts a 94.03% return to player percentage making it a mid-variance slot so you may experience several spins with no wins – only for the next win to be considerable in size!

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Thunderhorn Slot Machine Bonus

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Sun-Soaked Symbols in the African Savanna

It’s all things wild on the sun-soaked reels with thirteen symbols in total – and don’t worry it’s not just Rhino’s on the reels. The standout symbol is the Wild which has the ability to substitute for all but the Scattered Bonus and is represented by a tree in front of the bright African sunset. The other special symbol is the Bonus which simply has its word printed on a Gold plaque.

The most valuable standard symbol, as you’d expect with the slot based on it, is the Black Rhino who appears head-on with his horn aimed straight towards you – but it’s always a welcome sight as five of them on a single payline rewards you with 7.5x your initial stake. Accompanying the massive Rhino is a Cheetah – renowned for it’s speed, an African tribal mask, carved bowl, African drum, plus standard low valued symbols more often associated with casino table games of Ace to 9.

Free Spins That Are Easily Retriggered

You’ll enjoy the Rhino storming onto the reels from right to left congratulating you with a message stating the number of free spins you have won when you land three or more Scattered Bonus symbols anywhere on the reels during the same spin – however the number of free spins you receive will be determined by the number of symbols.

Three Bonus symbols earns you 8 free spins, four Bonus symbols earns you 15 free spins, and five Bonus symbols earns you the maximum of 20 initial free spins. As your free spins play out a rapid upbeat jungle tune rings out (a vast improvement on the sounds featured during the base game) and should a Wild symbol appear on the second, third or fourth reel it sees your win multiplied by either 2x or 3x.

However, the best thing about the free spins mode in the Thunderhorn slot machine is how easy it is to trigger additional free spins – as it requires as little as two Bonus symbols. Two Bonus symbols provide you with 5 more free spins, three earn you 8 more free spins, four earn you 15 free spins, and five earn you 20 more free spins. I’ve yet to play this free spins mode and not experience additional free spins – you always seem to get at least two Bonus symbols at minimum.

Once you have finished playing all of your free spins the ferocious Rhino storms back across the reels, this time from left to right, leaving dust in his tracks with a message appearing on screen displaying the total amount you have won during the feature.

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Thunderhorn Slot Machine

Thunderhorn is certainly one of the best Animal-themed slots that I’ve encountered with a stunning design, sounds of Rhino’s thunderously storming the reels, and lots of staking options available – however it’s a low variance slot and those of you who enjoy a bigger thrill will prefer Microgaming’s Mega Moolah slot as it offers the chance to win a life changing progressive jackpot.

Thunderhorn Free Slots Games

Saying that it’s no wonder there is only one bonus feature in Thunderhorn as the free spins mode is extremely rewarding and offers the opportunity for huge wins thanks to how easy it is to gain additional free spins - rather than only experience those that you initially trigger.