Big Bass Bonanza
Big Bass Bonanza carries the highest published RTP on this list at 96.71%, with high volatility and a maximum win of 2,100x across 10 lines.
- RTP
- 96.71%
- Volatility
- High
- Max win
- 2,100x
- Lines
- 10
- Fishing
- Pragmatic Play
Deposit guide · Australia
Casino minimum deposit $20 — a straight answer for Australian players
The partner's published terms state a minimum deposit of US$20, which is not the same thing as A$20. Below is what those terms say, what they leave unsaid, and the one rule that matters more than the headline amount.
- 5pokies compared
- 96.71%best published return
- A$5max bet on a bonus
The shortlist
Which of these the numbers favour
These five pokies are ranked below on their published RTP, volatility, maximum win and line count — not on any deposit threshold, because no game sets one.
Checked on 19 October 2026
Every figure in one grid
Sort by whichever figure decides it for you.
| 1Big Bass Bonanza | 96.71% | High | 2,100x | Pragmatic Play |
| 2Madame Destiny Megaways | 96.51% | High | 5,000x | Pragmatic Play |
| 3Gates of Olympus | 96.5% | High | 5,000x | Pragmatic Play |
| 4Sweet Bonanza | 96.48% | Medium-High | 21,100x | Pragmatic Play |
| 5Floating Dragon | 96.35% | High | 5,000x | Pragmatic Play |
Select a column heading to sort.
Madame Destiny Megaways
Madame Destiny Megaways lists a 96.51% RTP with high volatility, a 5,000x maximum win and a megaways line structure.
- RTP
- 96.51%
- Volatility
- High
- Max win
- 5,000x
- Lines
- megaways
- Mystical
- Pragmatic Play
Gates of Olympus
Gates of Olympus publishes a 96.5% RTP with high volatility and a 5,000x maximum win.
- RTP
- 96.5%
- Volatility
- High
- Max win
- 5,000x
- Greek Mythology
- Pragmatic Play
Reading the minimum deposit in US dollars
A common search is for a casino minimum deposit of $20, and the partner's terms do list a minimum deposit of US$20. The currency matters. US$20 converted to Australian dollars is a larger figure than A$20, and the partner's terms do not publish a converted Australian amount anywhere we could verify. If you are budgeting in Australian dollars, treat the minimum as a US dollar threshold and check the cashier figure at the time you deposit rather than assuming a one-to-one match.
No published figure tells us the exchange rate used or whether the cashier displays the minimum in Australian dollars. We are not going to invent one. What can be said plainly is that a stated minimum deposit is a floor, not a recommendation, and it says nothing about what a deposit is worth once it is in the account.
The bonus term that overrides the minimum
The partner also publishes a first deposit offer of a 600% cash bonus and a daily cashback of 10% of losses. Those percentages sit on top of the minimum deposit, but they come with a condition that matters far more: the maximum bet allowed on a bonus is A$5. That cap applies while bonus funds are active, and breaching it is the kind of term that voids a bonus rather than merely warning you.
The A$5 cap is worth reading twice because it is denominated in Australian dollars while the minimum deposit is denominated in US dollars. The two figures are not the same currency and should not be treated as such. Cashback of 10% of losses is a return of part of what you lose, not a payment for playing, and it does not change the underlying arithmetic of any game.
Why no pokie has a minimum deposit
Nothing in the published figures for any title on the shortlist below describes a minimum deposit. RTP, volatility, maximum win and line count are properties of the game itself. Whether you can deposit at all, and how much, is a decision of the operator, not the pokie. Big Bass Bonanza, Madame Destiny Megaways, Gates of Olympus, Sweet Bonanza and Floating Dragon each carry their own RTP and volatility, and none of those numbers tell you what you are allowed to deposit.
That distinction matters when you are searching for a minimum deposit and keep landing on game pages. The game does not set the entry price; the account does. The floors and ceilings that apply to you are in the cashier and the bonus terms, and those are the only places a real minimum deposit figure exists.
FAQ
Still unsure? Start here
Is a casino minimum deposit of $20 the same in Australian dollars?
The partner's terms state a minimum deposit of US$20, which is not A$20. No converted Australian figure is published, so check the cashier at the time you deposit rather than assuming the two amounts match.
Does the minimum deposit apply to every pokie?
No. A minimum deposit is an account condition, not a game condition. The shortlisted titles are described by RTP, volatility, maximum win and lines, and their published figures say nothing about deposit amounts.
What is the maximum bet on a bonus?
The partner publishes a maximum bet on a bonus of A$5. Staying inside that cap matters because exceeding it is a term that can invalidate a bonus.
Does a bigger deposit change the return on a pokie?
No. RTP such as the 96.71% published for Big Bass Bonanza is a long-run average across a very large number of spins, not a rate your session will deliver. A larger deposit changes how long you can play, not the average the game returns.
Is a casino minimum deposit of $20 the same in Australian dollars?
The partner's terms state a minimum deposit of US$20, which is not A$20. No converted Australian figure is published, so check the cashier at the time you deposit rather than assuming the two amounts match.