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Bonanza Megapays Slot Game | BTG Slots

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Game Provider: Big Time Gaming

RTP: 96.4%

Paylines: 117649

Min Bet: 0.2

Max Bet: 30

Progressive: Yes

Type: Jackpot Slot

Theme: Gems, Mining

Volatility: High

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Bonanza Megapays Slot Game

The original Bonanza game is famous as the slot that really introduced Big Time Gaming’s Megaways mechanic to the world. And now it’s back in a re-release featuring the four great progressive jackpots as the Bonanza Megapays slot.

With such an iconic title, Big Time Gaming could easily have got away with just adding the Megapays jackpots and not touching anything else. But to their credit, the Australian slot giant put in the extra work to tweak the game’s maths model and polish the graphics.

The 6-reel grid with the horizontal train track reel at the top is still set against the familiar mountain mine backdrop. But the colours are cleaner and sharper, and the picture is more detailed than before.

The possible ways to win are also the same, with the grid producing a maximum of 117,649 when all reels are fully loaded with symbols. And the Reactions and Unlimited Win Multiplier can also be found on the original slot.

But the RTP has increased to 96.40%, and the top potential win is also up, standing at  17,926x the bet. And that’s not including the progressive jackpots. The betting range is also wider, starting at 0.20 and now going up to 30.00 per spin.

The symbols in Bonanza Megapays are the same premium precious stones, low-paying card ranks, dynamite wild and letter scatters used in Bonanza itself.

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Game Features

After every win in Bonanaza Megapays, the Reactions feature kicks in. This is also known as Cascades or Tumbles, depending on the provider. But whatever the name, the feature removes all the symbols involved in the win from the reels and allows new ones to fall into their place. The reactions continue as long as new winning combinations are formed.

The free spins round triggers when the right combination of letter scatter symbols land to spell out the word GOLD. This awards 12 free spins, and if there are extra letter scatters on the grid not used to form the word GOLD, they each add five spins to that total.

During the round, the win potential is increased hugely by an unlimited progressive win multiplier. This starts at x1 and increases by +1 for every Reaction win. During the round, special free spin scatters in the shape of carts loaded with gold bars can appear on the top reel. 3 or 4 of these landing on one spin will add 5 or 10 more spins to the round, respectively.

The Megapays jackpot round can trigger on any spin. One of the card ranks is chosen as the Megapays symbol, and if it lands, it sticks in place and grants a respin. At least 4 Megapays symbols on the grid are needed to trigger a jackpot.


  • Four progressive jackpots
  • Great graphics
  • Exciting bonus features


  • Low betting range
  • Megapays feature accounts for 9.44% of RTP
  • High Volatility


The Megapays are progressive jackpots so their value is always climbing until they are won when they return to their seed values, which are; Mini jackpot -100, Midi jackpot -1,500, Major jackpot – 20,000, and Mega jackpot- 300,000.

These will add more free spins to the remaining total whenever 3 or more are in view.

The RTP is a good 96.40%, which is high for a game with a progressive jackpot.

Not so much a mini-game as a respins round. The Megapays triggers with one of the card ranks being chosen as the Megapays symbol. If it lands on the following spin, it sticks and grants a respin and so on, and at least 4 symbols are needed on the grid to land a jackpot.


Chris GrandHead of Content

I’m an experienced casino review and news writer with years of knowledge on my back. The experience I’ve had online is essential for the casino reviews I write on this website, written in an easy-to-read format that readers can recognize and connect with.

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