Bonanza Falls
Big Time Gaming · High volatility · Bonus buy
Pokie Notes
Big Time Gaming's Big Bad Bison is a high-volatility charge through an animal-and-card-symbol reel set, with a confirmed bonus buy for players who'd rather pay their way into the feature than wait for it.
Big Time Gaming built Big Bad Bison around a herd of animal card-suit symbols, and it plays true to that studio's reputation for swingy, high-volatility reel sets. The 96.58% RTP sits above the median across Here2Win Casino's pokie line-up (roughly 96.02%), so on paper the long-run return edges ahead of a typical title here, even though volatility still decides how bumpy the ride to that return feels session to session.
High volatility here means longer stretches without a paying line balanced against the chance of a much bigger result when the animal symbols line up. I'd treat that as a pace choice rather than a promise: it suits someone happy to ride out a quieter run of spins, not someone chasing a guaranteed outcome.
The base reels mix the animal cast with playing-card symbols, and the bonus round is the game's main event: land the right trigger symbols and you're moved into a free-spin style bonus round built around that same animal theme. Big Time Gaming doesn't publish exact hit-rate figures for this title, so I won't put numbers on how often the bonus lands in normal play — what's confirmed is that the bonus round exists and that it's the feature the whole reel set is built to set up.
Because the game also carries a bonus buy option, there's a second way in: paying directly to enter the bonus round rather than spinning for a natural trigger. Either way, the underlying feature is the same one built into the base game.
Welcome offer worth up to US$5,000. Read the bonus guide for eligibility and full terms.
A bonus buy in Big Bad Bison is a game mechanic, not a casino promo bonus — you're spending your own balance to skip straight to the bonus round instead of triggering it naturally. That's a meaningfully bigger outlay in one hit than a normal spin, so I'd treat it as its own separate decision on your session budget, not something you fall back on because a run of spins has gone quiet.
If you're still working through wagering on the Here2Win Casino welcome package, check the bonus terms before you use a bonus buy mid-playthrough — I can't say here whether a purchased feature counts the same way toward wagering as a natural spin does, so it's worth confirming rather than assuming. Once you've settled a session and you're ready to see funds move, the Withdrawal page walks through the methods and the identity check that comes before a first payout.
If the bonus-buy format is what drew you in, it's worth browsing the full Pokies with Bonus Buy collection rather than stopping at one title. Bonanza Falls is another high-volatility bonus-buy pokie from the same studio, built around gem and card symbols instead of animals, while 108 Heroes Water Margin brings a similarly high-volatility bonus buy from Microgaming with a Chinese legend cast in place of the bison herd. For a broader read on how volatility and provider style differ across the wider line-up, How to Pick Pokies lays out the full scale.
See the full Pokies with Bonus Buy collection for every confirmed bonus-buy title at Here2Win.
Big Bad Bison suits a punter who's comfortable with a high-volatility pace and wants the option to buy straight into the bonus round rather than wait it out. Set your session budget before you start, decide upfront whether a bonus buy fits inside it, and you're set to give it a proper run.
Before you go, mate
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