Home / Games / Bonanza
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Game information

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See below for the main statistics of the game, and scroll on for our in-depth expert review.

Return to player






Game provider

Big Time Gaming

Available on

Desktop, Mobile, Tablet

Winlines/ Ways to win



Bonanza is a popular slot from Big Time Gaming that you’ll find in many online casinos. Based on the Megaways game engine, this slot was first released in 2016 and has been entertaining online gamblers ever since. It is packed full of interesting features, including wilds, multipliers, and free spins. As you might expect from the name, the slot has a Wild West gold mining theme, with some of the symbols being gold bars, gemstones, and explosives.

The RTP on Bonanza is 96%, which is about average for an online slot, and it’s a highly volatile game, which means that players have to be prepared to keep calm and wait for the big wins. The paytable displays how much you will win for each symbol, including the four premium symbols, which are all colored gemstones. Each symbol pays out a multiple of your original stake, depending on how many of the symbol land. The most valuable symbol pays up to 50x the amount staked, if you are lucky enough to get six on a payline. When the reels land in a winning combination, the symbols will explode, leaving room for new symbols to land and form new winning combinations.

In line with the gold mining theme, the way to win free spins in this game is to spell out the word ‘GOLD’ anywhere on the reels – this will trigger 12 free spins. For each scatter symbol that lands, you’ll also get another five free spins. Extra free spins are triggered by getting gold bars in the mining cart. Three gold bars give you five more free spins, and four will give you 10. Once you are playing with the free spins feature, each consecutive win increases the ‘eternal multiplier’ by a factor of one, increasing your winnings even more. The extra free spins you can win are unlimited, as is the potential multiplier.

About Big Time Gaming

Big Time Gaming


Real-money casinos


To get started with Bonanza slot, just choose an amount to stake and decide whether to use the manual or autoplay feature. With autoplay, you can select anything between five and 100 autospins. If you want, you can also set a loss limit and a single win limit. You will see train carts on top of the reels, which each carry a different symbol. The symbols in the cart add an extra row to reels two through five for every spin. Each row displays between two and seven symbols, and because the symbols explode and more fall in their place, you can earn more than one payout per spin.

Bonanza is an excellent slot with some great features. There is certainly a lot going on in this title. The main attraction of the game is the free spins feature, along with the multiplier, but we also really enjoyed the cascading reels that provide more opportunities to win and lots of fast-paced entertainment.

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