Bonanza

Bonanza by Big Time Gaming is the original Megaways slot — the game that launched the engine now used in thousands of titles. With a mining-and-gems theme, cascading reels and an unlimited free-spins multiplier, it remains a benchmark of the genre.

This review explains how Bonanza works, the Megaways and unlimited-multiplier mechanics, the RTP, and how to play it. (Note: this is the original “Bonanza”; the same engine powers Bonanza Megaways.)

What is Bonanza?

Bonanza is a 6-reel Megaways slot where the symbols per reel change every spin for up to 117,649 ways to win, with a horizontal carriage reel adding extra symbols. Winning symbols explode and new ones cascade in, and in the free spins an unlimited win multiplier rises by 1x with every cascade.

The unlimited, ever-climbing free-spins multiplier is the mechanic that made Bonanza a legend and defined the Megaways category. Learn more in our Megaways explainer.

How to play Bonanza

1. Set your stake (Megaways always active).
2. Spin the 6 reels with variable symbol counts.
3. Form wins on adjacent reels from the left.
4. Winning symbols explode and new ones cascade in.
5. Trigger free spins for an unlimited rising multiplier.

Bonanza RTP, volatility and max win

Bonanza has a published RTP of around 96.0% and high volatility.

The maximum win reaches up to around 12,000x your stake, driven by the unlimited multiplier through long cascade chains in the free spins.

Megaways engine and unlimited multiplier

The variable-reel Megaways engine with cascading reels and the uncapped, ever-rising free-spins multiplier are the mechanics that launched a genre and deliver Bonanza’s biggest wins.

Bonanza strategy and tips

• Expect high variance and budget for dry spells.
• The free spins are the main event.
• Keep stakes modest.
• Set win and loss limits.
• Try the demo to learn the Megaways mechanic.

Bonanza pros and cons

Where to play Bonanza safely

Always play Bonanza at a casino licensed by a recognised regulator that displays the in-game RTP and offers the official Big Time Gaming version. Look for transparent terms, fast withdrawals and responsible-gambling tools such as deposit limits and self-exclusion.

Frequently asked questions

What is the RTP of Bonanza?

Around 96.0%. Check the in-game figure at your casino.

What is the maximum win?

Up to around 12,000x your stake, via the unlimited free-spins multiplier.

Can I play it for free?

Yes, most licensed casinos offer a demo with virtual credits.

What makes Bonanza important?

It was the first Megaways slot, introducing up to 117,649 ways and the unlimited rising multiplier.

Is there a winning strategy?

No. Outcomes are random; bankroll management improves your experience only.

18+ only. Gambling should be entertainment, never a way to make money. Only stake what you can afford to lose, set deposit and time limits, and never chase losses. If gambling stops being fun, take a break or seek support via BeGambleAware.org or your local responsible-gambling service.