| Game developer: | Big Time Gaming (BTG) |
| Release date: | Dec 2016 |
| Game types: | |
| Return to player: | 96.00% |
| Variance: | |
| Game Features: | |
| Max win: | 26000 |
| Min bet: | 0.20 |
| Max bet: | 5.00 |
| Number of paylines: | 117649 |
| Game Themes: |
Bonanza Megaways by Big Time Gaming isn’t just another gold pokie — it’s the title that redefined how online pokies could work. Released in 2016, it paired the now-famous MEGAWAYS™ engine with up to 117,649 winning combinations, with the innovative DUELREACTION™ cascading reels, where symbols drop away in both directions to trigger relentless chain wins. Every spin reshapes the 6-reel layout, with 2 to 7 symbols per reel, creating endless combination possibilities that make the gameplay feel fresh from the first spin to the hundredth.
The real rush comes from the Free Spins round, triggered by landing scatters spelling G-O-L-D. You start with 12 spins, and each winning cascade increases the unlimited win multiplier — often the key to those jaw-dropping payouts — while retriggers keep the bonus alive. This is a high-volatility slot, meaning the wins aren’t constant but can be explosive, with max potential around 10,000x your stake. The mining theme and cheerful, toe-tapping soundtrack add charm, while crisp HTML5 graphics make it just as engaging on mobile as on a big desktop screen.
Years after launch, Bonanza Megaways still sits at the top of casino lobbies worldwide, including in Australia, thanks to its combination of massive win potential, simple rules, and endlessly replayable mechanics. It’s not just a game — it’s the blueprint for an entire generation of Megaways slots.
The Bonanza Megaways slot blends a vibrant Wild West mining theme with crisp, high-definition visuals and smooth HTML5 animations. A rugged mountain backdrop frames the reels, while gold carts and dynamite scatter across the screen during wins. Bonanza’s look might not scream “next-gen” compared to today’s ultra-rendered 3D slots, but that’s precisely why it works. The bright golds, rugged wooden reels, and that moving minecart up top give it the same charm as a well-worn classic — familiar, warm, and instantly readable. The banjo-driven soundtrack is pure feel-good energy, the kind of tune you catch yourself humming without realising, and it blends perfectly with the constant motion of the cascading symbols. That dual-reaction tumble — symbols dropping in from above and sliding in from the side — has become such an industry standard that you see echoes of it in dozens of newer games. It’s the kind of visual rhythm people naturally enjoy: movement, colour, and reward all tied together. Years on, it still feels alive and busy in a way many newer titles can’t match, and that’s why you’ll still find it lighting up casino lobbies and Twitch streams around the world.
Bonanza Megaways sticks to its gold-mining roots, mixing familiar 9-A card symbols with glittering gems and mining gear. The low-paying cards are the card royals, while the big money comes from the premium stones — the purple diamond being the star of the show, with the highest payouts. Wilds pull their weight too, sliding in to finish wins when you’re just one symbol away. Scatters are the real game-changers, though — land enough of them and you’ll unlock the Free Spins round, where the most significant payouts tend to happen. All of this plays out on the Megaways™ engine, so the number of symbols on each reel changes every spin, making the potential payouts feel unpredictable and exciting every single time.
Bonanza Megaways remains one of the most playable and iconic online pokies nearly a decade after its 2016 release because it didn’t just join the Megaways™ trend — it started it. Big Time Gaming’s combination of up to 117,649 ways to win, the innovative DuelReaction™ system with cascades in both directions, and the high-volatility, big-potential math model created a blueprint that countless other developers have followed. Even in 2025, Bonanza Megaways still holds its ground as one of the most exciting pokies around. The gold-mining theme hasn’t aged a day, the gameplay keeps every spin brimming with “this could be the one” potential, and the Free Spins round — with its climbing multipliers — still delivers that rush seasoned players chase. It’s the kind of game that rewards you for sticking with it, keeps your pulse up, and proves that when a slot truly changes the game, it can stay fresh and thrilling for years. Whether you’re a seasoned player or new to Megaways™, Bonanza is still a must-spin.
Bonanza Megaways wasn’t just another slot launch — it was the spark that set the whole Megaways trend ablaze. Big Time Gaming nailed the formula and nearly a decade later, it’s still a go-to for streamers chasing big hits and for players who want action that never gets stale. In Australia, it’s firmly on the “must-play” list, blending timeless gameplay, sharp visuals, and that addictive “just one more spin” appeal.
Bonanza Megaways features changing reels with up to 117,649 ways to win, thanks to the Megaways engine, plus cascade reactions in both directions (Duel Reaction), meaning every spin feels fresh and packed with possibilities. Players often say it’s “one of the best online slots ever made.”
Whenever a win appears, the winning symbols vanish, and new ones fall from the top, even shifting sideways from mining carts, triggering chain reactions until no new win occurs, keeping the action fast and rewarding.
Trigger free spins by landing the scatters spelling G-O-L-D. You start with 12 Free Spins, with additional spins added for extra scatter triggers. Each cascade increases your win multiplier (unlimited). It’s this rising multiplier that makes the bonus round explosive.
| Software | Big Time Gaming (BTG) | Triple Edge Studios | Wazdan | Microgaming, Gold Coin Studios |
|---|---|---|---|---|
| Year | 2016 | 2022 | 2022 | 2021 |
| RTP | 96.00% | 94.01% | 96.12% | 96.39% |
| Game Type | - | - | - | - |
| Variance | High | High | High | High |
| Themes | Cards, Gems & Diamonds, Megaways | Cards, Gems & Diamonds, Megaways | Cards | Cards |
| Min Bet | 0.20 | 0.10 | 0.20 | 0.20 |
| Max Bet | 5.00 | 20.00 | 10000.00 | 75.00 |
| Max Win | 26000 | 5000 | 5000 | 5000 |
| Reels | 6 | 6 | 4 | 5 |
| Paylines | 117649 | 117649 | - | 20 |
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