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Bonanza Slot Review

The idea behind Bonanza - this  117,649 Megaways game from Big Time Gaming - is that will provide players with a chance to mine for some pretty big prizes.

Bonanza slot game is set in the gold rush era, as prospectors aim to get a piece of the action from some potentially lucrative gold mines. There are 6 reels, giving players an impressive 117,649 ways to win. There are up to 7 symbols per reel and pays on 3 or more combined symbols landed from left to right.

A similar template

Bonanza slot game follows a similar template for other BTG developed games, so there is nothing particularly pioneering about this slot. There are some pretty good - albeit basic - non-bonus features. For example, you can land cascade wins on your search for gold.

There are also extra carts and dual reaction wins. Located above reels 2, 3, 4, and 5 are carts each filled with additional jewels and symbols - these carts can work as an additional reel helping to create extra combinations, making more wins for players.

The cascading reels system is similar to other games such as NetEnt’s Gonzo’s Quest. This feature is a favourite of fans who enjoy the chance to win multiple times, giving you a nice boost when a particular slot feels like paying.

Big Time Gaming refers to this as a DUALREACTION feature. What this means is that in addition to the main 6 reel winning symbols exploding, prompting more wins falling from above, new symbols which were inside the carts will roll in from the right to potentially contribute to new combinations.

This is potentially a nice way to add an extra few quid to your balance, even if it is not an earth-shuddering amount for the most part.

Bonanza Slot Features:

Unlimited free spins with unlimited multipliers

You would be extremely lucky to land the free spins bonus on a Monday and still have it going well into Friday night. Unfortunately, that is unlikely. You do get 12 free spins for landing the golden letters "G O L D" across the reels. If this happens, you will be taken to a darker screen which symbolises night time prospecting.

Following every win in this bonus, you can increase up to an unlimited amount, but this generally works out around 5x – 10x. Pretty decent, if you ask us, but it's probably not a great idea to start dreaming of winning millions. You might be disappointed.

You can get more free spins by landing the gold bar scatters in the carts which sit atop of the 2nd, 3rd, 4th, and 5th reels. This is a surefire way to at least have a chance at more wins.

It will take you a little while to hit these Bonanza free spin games, but when you do you’ll more than likely be walking away with a little extra cash in your pocket thanks to those wilds, and up to 117,649 ways to win.

In-game bonus features

Wilds: The lit TNT is wild and substitutes for all other symbols except the golden scatters.

Carts: The carts roll in from the right and stop on reels 2, 3, 4 and 5 to add an extra symbol. This help creates more slot wins and bigger payouts.

DUALREACTION: On a win, the symbols used in a win in the main 6 reel board will explode and more will drop down from above to replace them.

If a symbol in the carts is used, more symbols in carts will roll in from the right to replace them at the same time creating a dual reaction of cascades.

Free Spins: Find the word G.O.L.D (ie 4 or more scatters) across the 6 reels will trigger 12 free spins. With every win, your multiplier can increase from the minimum of 1x.

In order to get more free spins, find 3 or more scatter symbols in the carts. The number of multipliers is, as we stated above, is unlimited. This can make for some really impressive wins if you are lucky enough.

MegaWays: On each spin the number of symbols on all reels changes. The number of ways to win will also change.

There is a maximum number of ways to win. On this game, it is a massive 177,649 ways but this is ultra-rare. Wins pay from left to right for a combination of three or more wins.


The idea which Big Time Gaming had for their Bonanza slot was a fairly good one. It is not completely unique but is an interesting concept. The problem with the game is that, graphically, it's not quite enough to keep players engaged.

Given the 117, 649 ways to win, players may have reason to let this slide though, especially with the bonus features which can come in pretty handy indeed.

A game for players of all bankrolls, Bonanza is fun if a little too basic at times.

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