Quick Stats
| Detail | Info |
|---|---|
| Provider | Big Time Gaming (BTG) |
| Game Type | Video Slot / Pokie |
| RTP | 96.00% |
| Volatility | High |
| Reels / Rows | 6 reels × 2–7 rows (variable per spin) |
| Ways to Win | Up to 117,649 |
| Min Bet | $0.20 |
| Max Bet | $15.00 |
| Max Win | 26,000x stake |
| Features | Megaways, Reactions (Cascading Reels), Mine Cart Reel, Free Spins, Unlimited Multiplier, Retriggerable Bonus |
| Theme | Gold Mining / Adventure |
| Release Date | 7 December 2016 |
| Platform | Desktop & Mobile |
What Is Bonanza Megaways?
Bonanza Megaways is a gold mine-themed pokie set against a sunlit hillside, complete with a waterfall, a miner’s hut, and a track of carts rolling above the reels. The game uses Big Time Gaming’s Megaways engine, which randomises the number of symbols on each of the six reels with every spin. Reels can show anywhere from 2 to 7 symbols at once, and when they all hit 7, you get the full 117,649 possible ways to win. Most spins land somewhere below that maximum — the ways-to-win count is displayed at the top of the screen each spin.
This game suits high-volatility players who can manage a bankroll through long dry stretches and don’t need frequent small wins to stay engaged. It’s also well suited to players who genuinely want to understand how the Megaways format works, since Bonanza is the clearest example of the mechanic in its original, uncluttered form.
It’s not suitable for players with a small session budget or those who prefer consistent returns. The bonus round triggers roughly once every 200 spins according to BTG’s own figures, and individual free spin rounds can return anywhere from almost nothing to thousands of times the stake depending on how the multiplier builds.
Start here: Play a demo session of at least 50 spins before staking real money. That’s enough to experience the Reactions mechanic, see how the mine cart reel contributes, and get a feel for how long the base game can run without a bonus.
RTP and Volatility
Bonanza Megaways carries a 96.00% RTP. In plain terms: over millions of spins, the game returns $96 for every $100 wagered. That’s a theoretical figure calculated across an enormous sample — your individual session will swing far above or below that average. A $50 session could end at $10 or $200 depending on whether the free spins land and how the multiplier runs during them.
At 96%, the RTP is solid — slightly above the industry midpoint of around 95–96% for video pokies, and competitive against most modern titles. The house edge sits at 4%, which is in the normal range.
Volatility is the more important number to understand here. Bonanza Megaways is a high-volatility game. Base-game wins are frequent enough — hit frequency sits around 37–38% per spin due to the Reactions mechanic creating multiple win opportunities per round — but those base wins are typically modest. The serious money comes from the free spins bonus, and that bonus can take a very long time to trigger. A run of 200 base-game spins with no bonus is not unusual. When the bonus does land, the unlimited multiplier means outcomes range from 10–20x on a quiet run to well over 1,000x if the Reactions keep stacking.
Watch for: The multiplier doesn’t carry between bonus rounds — it resets to 1x at the start of each free spins session.
Betting Range
Bonanza Megaways accepts bets from $0.20 to $15.00 per spin. There are no adjustable paylines — all ways to win are always active, and the number varies automatically each spin. Your total bet per spin is a flat amount, not a per-line calculation.
At $0.20 per spin, a 26,000x max win would return $5,200. At the $15 max bet, that same win returns $390,000. In practice, the BTG CEO has noted that the free spins round returns over 100x the stake on average — which means a $1.00 bet bonus round would typically return somewhere above $100, but with enormous variance around that figure.
Autoplay is available with options to set a number of spins, a single-win limit, and a loss limit — useful for managing session exposure on a high-volatility title.
Do this: If you’re running a $50 session, don’t stake more than $0.50 per spin. At that level you have at least 100 spins — enough to give the bonus a realistic chance of triggering. At $2 per spin on a $50 budget, 25 spins may not be enough.
How to Play Bonanza Megaways — Step by Step
- Set your bet. Use the stake selector at the bottom of the screen to choose your total bet per spin. Options run from $0.20 to $15.00.
- Check the paytable. Hit the info icon before playing. It shows each symbol’s payout per way-win combination and explains the Reactions and multiplier mechanics in detail.
- Spin the reels. Click the Spin button. The six main reels and the mine cart reel above them all land independently. The ways-to-win count at the top of the grid updates every spin.
- How wins work. Match 3 or more identical symbols on adjacent reels from left to right. You don’t need symbols on a specific line — any position on consecutive reels counts. All matching combination wins on a single spin are added together.
- Reactions. Whenever a winning combination lands, those symbols disappear and new ones drop from above. If the replacements form new wins, the process repeats. A single spin can chain multiple Reactions — each one adds to your total win for that spin.
- Triggering the bonus. Collect all four letters — G, O, L, D — as scatter symbols anywhere on the reels (the main reels or the mine cart positions above). Landing all four in a single spin triggers the Free Spins feature.
- During free spins. Each Reaction during the bonus increases the multiplier by 1x. The multiplier has no cap and carries throughout the entire bonus — it only resets at the end of the round. Gold bars landing in the mine carts above the reels can award additional free spins during the bonus.
Try this: Set a loss-limit on autoplay equal to half your session budget. If the bonus triggers within that half, use the remaining budget to extend your session manually.
Symbols and Paytable
Bonanza Megaways uses 10 symbols in total — four high-value gems, four low-value card icons, one wild, and one scatter set.
The Purple/Amethyst gem is the highest-paying standard symbol. Landing six in a row on a single spin pays 50x your total stake. Below it sit the Red, Blue, and Green gems, paying between 2x and 7.5x for a six-symbol combination. These four gem symbols are the ones you want cascading during free spins when the multiplier is running.
The card icons — Ace through 9 — are low-value fillers. They appear more frequently than gems and their wins rarely move the needle in the base game, but they keep the Reactions engine ticking over with small cascades that extend play.
The Dynamite Wild substitutes for all standard symbols but cannot replace scatter symbols. Wilds appear only in the mine cart reel above reels 2 through 5, not on the main grid. Their placement above the central reels means they can contribute to ways-to-win combinations across multiple reels simultaneously when the cart reel lines up.
The GOLD Scatters are four individual letters — G, O, L, D — each of which can land on any reel, including in the mine cart positions. You need all four letters to appear on the same spin to trigger free spins. Scatters do not need to land on adjacent reels to count; they just need to appear anywhere in view.
Specific multiplier values for each symbol combination are listed in the in-game paytable and should be checked there directly, as they vary by the number of symbols in the combination (3 through 6).
Bonus Features
Reactions (Cascading Reels)
Reactions are active in both the base game and free spins. Every time symbols form a winning combination, they vanish and new symbols fall into the vacated positions. If those replacements create new wins, those also vanish and the process continues. A single spin can produce a chain of 5, 8, or more consecutive Reactions — each one adding to your total win for that round.
In the base game, Reactions build win totals without a multiplier. In free spins, each Reaction increments the multiplier by 1x. This difference between base game and bonus Reactions is the core of what makes the free spins so much more valuable than base game play.
Mine Cart Reel
Above reels 2, 3, 4, and 5, a horizontal mine cart track delivers four additional symbol positions on every spin. These positions can hold gem symbols, card symbols, Dynamite Wilds, and — during free spins — gold bars. The cart reel symbols contribute to the ways-to-win count, meaning the maximum 117,649 ways is only reachable when the cart reel and all six main reels are at full capacity.
In the base game, Dynamite Wilds exclusively land in these cart positions, not on the main reels. During free spins, gold bars can appear in the carts instead — 3 gold bars award 5 additional free spins, and 4 gold bars award 10.
Free Spins with Unlimited Multiplier
Trigger: Collect all four GOLD scatter letters on a single spin. The base award is 12 free spins. Each additional scatter symbol (a fifth or sixth GOLD letter if landed) adds 5 bonus spins to the starting total.
The multiplier: Starts at 1x at the beginning of each free spins round. Every Reaction — every cascading win — increases the multiplier by exactly 1x. There is no cap. A bonus round with 15 consecutive Reactions would apply a 15x multiplier to the 15th win and to everything that follows in that round.
This mechanic is where Bonanza’s top wins come from. A premium gem combination worth 50x your stake, hitting under a 20x multiplier after a chain of Reactions, pays 1,000x that spin alone. Combined with retriggering and additional free spins from gold bars, it’s how the 26,000x max win becomes mathematically reachable — though it requires a near-perfect run.
Retriggering: There is no traditional scatter retrigger during the bonus. Additional spins come only from gold bars landing in the mine cart positions. 3 gold bars = 5 extra spins; 4 gold bars = 10 extra spins. The multiplier does not reset when extra spins are added — it continues building.
Watch for: Quiet free spin rounds with few Reactions feel painful because the multiplier barely moves. That’s part of the high-volatility reality. The same mechanic that produces 10x returns on a bad bonus run produces 1,000x on a good one.
Developer — Big Time Gaming
Big Time Gaming (BTG) is an Australian developer founded in 2011. Bonanza Megaways was the second game ever to use their proprietary Megaways engine — after Dragon Born in early 2016 — but it was Bonanza that made the format a global standard. Over 200 slots from 15+ developers now run on licensed versions of Megaways. BTG was acquired by Evolution Gaming in 2021 and continues to operate as a distinct studio within that group. The Bonanza series has since expanded to include Bonanza Megapays (which adds a progressive jackpot layer) and Bonanza Falls (which features a Megadozer Free Spins mechanic and a 93,540x max win at 96.51% RTP).
Is Bonanza Megaways Worth Playing?
Pros:
- The 26,000x max win ceiling is genuinely competitive — most high-volatility pokies top out below that.
- The unlimited multiplier during free spins creates meaningful upside variance without a feature-buy requirement.
- At 96% RTP with a confirmed hit frequency around 37–38%, the base game is more active than many high-volatility alternatives, making session time feel less like a waiting room.
- The Megaways mechanic is easy to understand once you’ve seen a few Reactions — there’s no complex multi-tier bonus decision to navigate.
- Plays cleanly on mobile without feature loss.
Cons:
- The free spins feature triggers roughly once every 200 spins per BTG’s own figures. With a $0.50 stake and 200 spins, that’s $100 in wagering to get one bonus on average. Some sessions will go much longer without one.
- There is no Buy Feature — you cannot pay to trigger the bonus directly, which is a limitation if your preference is guaranteed bonus access.
- The base game is essentially a holding pattern. Most of the interesting action is entirely bonus-dependent.
- The max bet of $15 is low compared to competing high-volatility titles, which may frustrate higher-stakes players.
- The 26,000x max win, while updated from the older 12,000x, still requires a near-perfect bonus run and remains out of reach for almost all real sessions.
Bonanza Megaways earns its reputation. The free spins multiplier mechanic is still one of the cleanest high-ceiling bonus designs in online pokies, and the 96% RTP is honest for a high-variance game. Play it if you understand high-volatility sessions — budget for at least 100–200 spins and don’t commit a full session bankroll expecting the bonus within the first 20. If you want the same format with more player control, BTG’s own Extra Chilli Megaways adds a free spins gamble feature and a slightly higher RTP ceiling at the cost of a lower max win.
Responsible Gambling
Bonanza Megaways runs on a certified random number generator (RNG). Every spin is independent — previous results have no effect on what comes next, and there is no pattern or timing strategy that influences outcomes. Set a session budget before you play, decide in advance what a loss limit looks like, and stop when you reach it. If gambling is affecting your wellbeing or finances, contact your local responsible gambling support service.