Big Bass Bonanza Megaways
Big Bass Bonanza Megaways carries the highest published RTP on the shortlist at 96.72%, with high volatility and a maximum win of 2,100x.
- RTP
- 96.72%
- Volatility
- High
- Max win
- 2,100x
- Lines
- megaways
- Fishing
- Pragmatic Play
Real money · Australia
Real money online casino play sits in a narrow legal space in Australia, and the line between permitted and prohibited is drawn by the Interactive Gambling Act. This page sets out where real money play works, where it does not, and which bonus terms you should read before you claim anything.
The shortlist below is ranked on published RTP, with volatility and maximum win as secondary factors, and it is a specification table rather than a recommendation to play.
Checked on 16 October 2026
Big Bass Bonanza Megaways carries the highest published RTP on the shortlist at 96.72%, with high volatility and a maximum win of 2,100x.
Big Bass Bonanza follows at 96.71% RTP on ten lines, also high volatility with a 2,100x maximum win.
Madame Destiny Megaways publishes 96.51% RTP with high volatility and a maximum win of 5,000x.
Gates of Olympus publishes 96.5% RTP with high volatility and a 5,000x maximum win.
Sweet Bonanza has the lowest published RTP here at 96.48%, but the highest maximum win at 21,100x and medium-high volatility.
Sort by whichever figure decides it for you.
| 1Big Bass Bonanza Megaways | 96.72% | High | 2,100x | Pragmatic Play |
| 2Big Bass Bonanza | 96.71% | High | 2,100x | Pragmatic Play |
| 3Madame Destiny Megaways | 96.51% | High | 5,000x | Pragmatic Play |
| 4Gates of Olympus | 96.5% | High | 5,000x | Pragmatic Play |
| 5Sweet Bonanza | 96.48% | Medium-High | 21,100x | Pragmatic Play |
Select a column heading to sort.
Australian states and territories run their own licensing for physical venues — pubs, clubs and casinos — and those venues can offer pokies and table games to adults on site. Online, the picture is different: the Interactive Gambling Act prohibits operators from offering casino-style games to customers in Australia, and the ACMA can take action against services that do. That prohibition applies to the operator, not to the player, but it still shapes what is available to you.
Some offshore operators accept Australian customers anyway. They are not licensed here, they are not subject to Australian consumer law in the same way, and if a dispute arises you have no local regulator to escalate to. A licence from another jurisdiction is not the same as an Australian licence, and the protections that come with it are not the same either.
The partner's cashier is a useful example of how restrictions show up in practice. Its published terms list a minimum deposit of US$20 and a maximum bet on a bonus of A$5, and its accepted payment methods do not include several local options Australian players commonly expect. If a cashier does not accept the method you use, the bonus is effectively out of reach no matter what the headline percentage says.
Restrictions also appear at the account level. Operators that accept Australian customers often apply their own rules on residency, age and identity checks, and those rules can be applied after a deposit rather than before. Reading the terms first tells you whether the account is viable for you, not just whether the bonus looks generous.
A licence identifies who regulates the operator and where complaints go. It does not guarantee that withdrawals are fast, that bonuses are fair, or that the games on the site are the versions the developer published. A game with an RTP of 96.72% in one jurisdiction can be configured differently elsewhere, and the version you are playing is the one that matters for your money.
The practical test is whether the terms name the regulator, the dispute route and the entity holding the licence. If the terms are vague about any of those, treat the licence as unverified and the bonus as conditional. That is not a reason to avoid play entirely, but it is a reason to read before you deposit.
Online casino-style games are prohibited from being offered to Australian customers under the Interactive Gambling Act, though physical venues are licensed by the states and territories. Offshore sites that accept Australian players are not licensed here, so any dispute has no local regulator behind it.
No. A bonus is tied to the deposit that qualifies for it, so if your method is not accepted the bonus cannot be triggered. Check the cashier's listed methods before you plan a deposit around a bonus offer.
RTP is the long-run average return to players over millions of spins, not a prediction for a session. A game with a high RTP can still take your whole balance in a short session, and no strategy changes that.
Bet limits on bonus funds are the usual problem, because they cap how much you can stake while clearing a bonus and a single larger bet can void it. The partner's published terms set a maximum bet on a bonus of A$5, which is a useful reminder to check the figure before you spin.