Bonanza Megaways

Bonanza Megaways is a slot unlike any other we've ever seen. It's the brainchild of one of our favourite online slots developers, Big Time Gaming, and it takes you to the goldmines of America where a feast of special features await.

To begin with, it uses BTG's unique Megaways pay structure, which allows each of the six reels to potentially contain up to seven symbols, giving you as many as 117,649 ways to win on every spin. There are also animated carts which run along the top of the reels carrying symbols that can help contribute towards wins. Furthermore, every win that you create forms a Reaction that lets new symbols fall down from above to take the place of the ones used in the winning combination. Strike gold, and you'll get twelve free spins with unlimited win multipliers and the chance to gain even more free spins. And, you can enjoy all of these fantastic features in the Bonanza Megaways slot for as little as 20p!

More about the Software Provider

Big Time Gaming (or BGT for short) is a leading innovator in the online casino industry. It produces mobile-optimised slots which cover a wide range of genres, and it loves to create new and exciting special features which make the gameplay positively enthralling. Since arriving on the scene in 2011, Big Time Gaming has made seven online slots – Gold, Danger High Voltage, Dragon Born, Queen of Riches, Starquest, Bonanza Megaways, and White Rabbit.

Appearance and Sound Effects

The Bonanza Megaways experience feels more like watching a model village in action than playing an online slot. For us personally, we could easily spend half an hour just watching the watermill turning at the top of the screen and splashing its contents down into the river below while the track above the reels whisks along a chain of four carts. The detail of the moss, ferns, and wildflowers that cover the hillside is quite extraordinary, and the hand-cut stones that form the entrance to the goldmine also act as the background for the symbols on the reels. To put an even bigger spring in your step, there's a fast-paced banjo tune and the boom of explosions occurring as the miners dig deeper and deeper in search of gold and other precious gems.

There are sixteen symbols used in the game, including sapphires, rubies, emeralds, amethysts, six playing card symbols, sticks of dynamite, four gold letters (G, O, L, and D), and stacks of gold ingots.   

Bonuses and Special Features

Because Bonanza Megaways makes use of BGT's Megaways feature, there are six reels, each of which can stretch up to seven rows high. Symbols can land solo or two rows high, and the symbols that are carried along with the carts at the top can also be used to form wins. So, not only can every spin provide you with 117,649 ways to win, but you can also create winning combinations from left to right using adjacent symbols regardless of their size.

The Cart Feature causes the chain of charts above Reels 2, 3, 4, and 5 to refresh with each spin of the reel, allowing for new winning opportunities. The Reactions Feature removes all symbols that are used in a winning combo and lets new ones fall down and take their place.

There are four scatters symbols in the Bonanza Megaways slot – the gold G, O, L, and D. Four scatters award you twelve free spins, and every additional triggering scatter gives you a further five free spins. Every Reaction that is created increases the win multiplier by one and as there's no cap on the multiplier value, the sky's the limit! Once you're inside the bonus round, the scatters change from the gold letters to stacks of gold ingots that only appear in the carts. Three or four scatters get you five or ten additional free games respectively.

Finally, there's the wild symbol (the stick of dynamite) which can substitute for any symbol except the scatters.


Bonanza Megaways uses six reels, up to seven rows of symbols, and offers you up to 117,649 ways to win. It also has a high RTP (Return to Player Rate) of 96.00%.

Mobile Compatibility

The game is designed to work with desktops, laptops, mobile phones, and tablets, and includes mobile-friendly game controls when played on mobile devices.

Our Verdict

There's a lot to love about the Bonanza Megaways slot. The animations of the waterfalls and mining carts are fascinating to watch while the Megaways pay structure boosts your chances of landing prizes through the roof with up to 117,649 ways to win. Plus, there are free spins with unlimited multipliers, a Win Reactions (cascading reels) Feature, and dynamite wilds that can create explosive winning combinations!