
Bonanza Megaways — slot review
Bonanza Megaways is a slot by Big Time Gaming (released 2016) with an RTP of 96%, high volatility. Theme: mining, the gold rush.
Free demo

Free, virtual chips only — no sign-up
Demo mode uses a virtual balance and pays no real winnings. It is meant for getting familiar with the game.
Specifications
| Provider | Big Time Gaming |
| Release year | 2016 |
| RTP | 96% |
| Volatility | High volatility |
| Reels | 6x2-7 |
| Paylines | Megaways up to 117 649 |
| Theme | mining, the gold rush |
| Mechanics | megaways, cascades, unlimited multiplier, free spins |
Why the RTP at a casino may differ
Providers ship the same game in several return configurations, and each casino picks which version it runs. Across the market the spread typically runs 2–8 percentage points below the headline figure. The number here is the provider specification — the version actually running is shown inside the game, in its rules screen.
Bonanza Megaways review
The legendary slot that turned the Megaways mechanic into a global standard. A mining theme, up to 117,649 ways to win and cascading symbol drops: winning combinations explode to make room for new ones. Four golden G-O-L-D letters trigger the free spins, where the multiplier climbs without limit after every cascade — and it's that very idea that earned the game its cult status. The high volatility demands patience and a bankroll to match, but the bonus round's potential is genuinely enormous. Bonanza is essential viewing for anyone who wants to understand why Big Time Gaming is considered one of the industry's most influential studios. It'll appeal to high rollers, streamers and hunters of long cascade streaks.
Where to play Bonanza Megaways
Top-rated casinos from our ranking that carry Big Time Gaming games in their catalog:
Similar Big Time Gaming slots
See also
This review was prepared by the Casino Atlas editorial team. Last updated: July 2026. Specs are based on provider data; the RTP version may differ at a specific casino.







