Bonanza Megaways
This demo version does not require any deposits and is for informational purposes only. Play responsibly – BeGambleAware.org. 18+.

Bonanza Megaways Demo Play

The Bonanza Megaways demo lets you test how this gemstone mine slot ramps up when wins start cascading and the reel sizes keep shifting, without risking real money.

Big Time Gaming
8 games
96%
Return to player
£0.2
Min bet
26000x
Max win
high
Volatility
About the game

Built by Big Time Gaming, Bonanza Megaways drops you into a gold mine where carts haul gemstones across a constantly changing 6-reel setup and winning hits tumble into fresh symbols for another shot at a chain. This guide is a handy warm-up before you branch out into the rest of our demo slots hub.

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Bonanza Megaways: Slot Overview

In this Bonanza Megaways slot review, we break down what actually drives value once the 4 GOLD scatters land, including how the Free Spins multiplier climbs after every reaction, how extra spins can arrive via bonus scatters in the carts, and why the x26,000 win cap is worth keeping in mind when a long chain finally turns up.

Graphics & Sound: Gem Mine Carts

The Bonanza Megaways slot throws us straight into a mine that looks oddly cosy for a place full of explosives: stone walls streaked with moss, a few stubborn daisies clinging on near the top, and a little shack by the entrance like someone’s actually trying to run this operation properly. Up above, the rail track carries the carts that do most of the storytelling, one moment showing a diamond or ruby, the next rolling in with that dynamite wild that looks like it’s here to solve problems loudly. The screen stays busy in the right way, with a waterfall on the side, small ambient movement in the background, and the Megaways counter sitting up top, constantly changing like a scoreboard for your patience. When Free Spins hit, the view drops “underground” into warmer red light and metallic glow, with gold bars turning up in the carts and the whole scene feeling closer and more intense, while that pearly purple gem still acts like the main event whenever it lands.

Sound-wise, it leans into punchy guitar-led country that keeps the pace moving and wears its old-school vibe proudly. Cascades come with crisp clicks, the track adds a clank of rails underneath, and the dynamite hits with a satisfying pop, so even a quiet base-game run has a steady working rhythm. In the bonus, everything thickens up, like the tunnel walls have narrowed, and the stakes have suddenly got more serious, which fits the escalating multiplier without needing to shout about it.

Main Game

Volatility & RTP

The Bonanza Megaways RTP sits at 96%, with the slot clearly positioned on the high-volatility end of the scale, where long, quiet stretches are part of the deal before anything meaningful lines up. The upside is the win potential, capped at x26,000 of your stake.

How to Play Bonanza Megaways

In Bonanza Megaways free play, the demo runs on virtual pounds sterling, starting you with £1,000, and you can reset back to that bankroll at any time by simply refreshing the page. Your bet is adjusted in the “stake” panel on the right-hand side of the interface, while the main Spin button sits in the bottom-right corner. For the paytable and full rules, open the game menu positioned around the middle of the right edge.

In the UK version, Autoplay and spin-speed controls aren’t available due to local rules, but in other jurisdictions, you may see a separate Autoplay button near the menu where you can set the number of spins and basic stop limits.

Game Symbols and Payouts

Bonanza Megaways pays for symbol combinations that land on adjacent reels from left to right, with the height of each reel changing on every spin. Because it uses the Megaways system, wins are calculated across thousands of possible symbol paths rather than fixed lines, and only the highest-paying combination per symbol is counted before reactions continue.

Symbol23456
Purple Gemx2x5x10x25x50
Red Gemx1x2x2.5x7.5
Blue Gemx0.25x1x1.5x2
Green Gemx0.25x0.5x0.75x2
A / Kx0.2x0.4x0.6x1.75
Qx0.2x0.25x0.6x1
Jx0.15x0.25x0.5x1
10x0.15x0.25x0.5x0.9
9x0.1x0.2x0.4x0.8

Bonanza Megaways: Slot Features

Bonanza Megaways keeps its feature set lean, but every “special” element has a clear job in the math. Here are the key extras you’ll see while playing.

  • Wild (dynamite cart): substitutes for any regular symbol, but never for a scatter, and it only appears in the top cart row above reels 2–5. It doesn’t carry its own payout, so its value is entirely in completing higher-paying left-to-right combinations.
  • Scatter (G-O-L-D tiles): lands on any reel in the base game and exists purely to trigger Free Spins, not to pay directly.
  • Free Spins Scatter (gold bars in a cart): appears only during Free Spins, only in the cart row, and its sole purpose is to extend the feature via retriggers.

Bonus Choice

From a practical session in the game, the bonus pace feels like Free Spins show up roughly every 150–200 spins on average, which is about what we’d expect from a high-volatility setup that can go quiet and then suddenly sprint. It’s not a slot that drip-feeds small features to keep you busy, so the bonus trigger is the main “event”. Once it lands, the whole experience shifts towards chasing one long, compounding run.

  • Trigger condition: Free Spins start when 4 scatter tiles spelling “GOLD” land anywhere across the reels in the base game.
  • Starting spins: the trigger pays 12 Free Spins for 4 scatters, and each additional scatter at the trigger adds +5 Free Spins.
  • Win multiplier rule: during Free Spins, the win multiplier starts at x1 and increases by +1 after every winning reaction, with no stated upper limit, so long chains are where the feature earns its reputation.
  • Retrigger condition: during the bonus, Free Spins Scatters can appear as gold bars in the cart row and extend the feature.
  • Retrigger awards: 3 bonus scatters in the carts add +5 Free Spins, and 4 add +10 Free Spins.
  • Stake handling: the bonus runs on the same stake that triggered it.

Bonus Buy

In the UK version of Bonanza Megaways, there is no Bonus Buy option and no Ante Bet feature. This means Free Spins can only be accessed naturally through the base game by landing the required scatter combination.

In some other jurisdictions, a Bonus Buy feature is available and allows you to enter the Free Spins round instantly for x90 your stake. This Bonanza Megaways demo Bonus Buy option launches the standard Free Spins mode with 12 starting spins, uses the selected Free Spins stake, and follows the same rules as a naturally triggered bonus, including the escalating multiplier and the ability to retrigger extra spins via gold-bar scatters in the carts. Ante Bet means an increased chance to enter the bonus from the base game, if using an increased stake.

Summary

Bonanza Megaways stands as the starting point of the entire Megaways lineage, and even years later, it still feels mechanically confident rather than dated. Compared to later entries that added side features or heavier visual layers, this original version keeps the focus on shifting reel heights, constant reactions, and a Free Spins mode where the multiplier grows without a ceiling. That simplicity gives the gameplay more clarity and, in practice, more tension than some of its successors.

With an RTP of 96.00%, high volatility, and a maximum win of x26,000, the slot clearly targets players who are comfortable with dry spells and are playing for the chance of one extended, high-impact bonus run. The mining theme, reactive cart system, and escalating multiplier remain Big Time Gaming trademarks, and they still do the job without unnecessary noise. If you want to play Bonanza Megaways for its pure structure, long-chain potential, and straightforward ruleset, this is still one of the strongest and most honest entries in the category.

Paul Hutchings | Author
Paul Hutchings
18 December 2025, 07:13
Bonanza Megaways
Provider
Big Time Gaming
Theme
Mining
Reels × Rows
6x7
Bet Range (£)
0.2 - 20
Free spins
Progressive Jackpot
Mobile friendly
Release year
2016