Big Bass Bonanza
Big Bass Bonanza has the highest RTP on this list at 96.71%, with high volatility and a maximum win of 2,100x across ten lines.
- RTP
- 96.71%
- Volatility
- High
- Max win
- 2,100x
- Lines
- 10
- Fishing
- Pragmatic Play
Free pokies · Australia
Free slot machine games, compared on the figures that matter
Free slot machine games are the demo builds of pokies you can play for nothing. This page compares five of them on the figures that are actually published: RTP, volatility, max win and lines.
- 5pokies compared
- 96.71%best published return
- A$5max bet on a bonus
The shortlist
Ordered by return, not by who pays most
These five pokies are ranked on their published RTP, volatility, max win and line count, from highest RTP down.
Checked on 19 October 2026
One table, every figure
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 follows at 96.51% RTP, high volatility and a 5,000x maximum on a megaways layout.
- RTP
- 96.51%
- Volatility
- High
- Max win
- 5,000x
- Lines
- megaways
- Mystical
- Pragmatic Play
Gates of Olympus
Gates of Olympus is close behind at 96.5% RTP, high volatility and a 5,000x maximum.
- RTP
- 96.5%
- Volatility
- High
- Max win
- 5,000x
- Greek Mythology
- Pragmatic Play
How far the published data can guide you
RTP is a long-run average. It describes what the machine returns over millions of spins, not what your session will do. A pokie with a higher RTP can still take your whole balance in an evening; a lower one can pay on the first spin. The figure is a property of the game, not a promise about your night.
Volatility describes how the returns are spread. High volatility means payouts are less frequent and typically larger when they land. Medium-high sits between. None of it tells you when a win will arrive, and no bet size or session length changes that. What you can control is how much of your balance is exposed on each spin.
Bet sizing on a free build versus a funded one
A free slot machine game runs on credits, so bet sizing feels weightless. Switch to a funded account and the same spin costs real money. If you are playing under a bonus, the partner's published terms cap bonus bets at A$5, which is a ceiling most people only notice after a win is voided.
A practical approach is to set a session budget first, then divide it by the number of spins you actually want. If the result is below the minimum bet, the session is too long for the budget. If it is far above it, you are risking too much per spin for the stakes involved. Either way, the free build is the right place to find a bet level you can sit with.
Session length and why the average needs time
An RTP of about ninety-six per cent only converges over a very large number of spins. Short sessions sit in the noisy part of the distribution, which is why two players on the same pokie can have opposite nights. Treat a session as entertainment spending, not as a step towards a return figure.
Longer sessions do not improve your odds of finishing ahead. They simply expose more of your balance to the machine's edge. If you decide a session length in advance and stop at it, the free version of these games is a reasonable way to practise that discipline without money on the line.
FAQ
The questions that come up most
Are free slot machine games the same as the real-money versions?
The demo build usually runs the same maths, including the RTP and volatility published for the game. What changes is that credits have no cash value and winnings cannot be withdrawn. Treat the free version as a way to learn the paytable, not as a preview of your results.
Which of these pokies has the highest RTP?
On the figures listed here, Big Bass Bonanza is highest at 96.71%, followed by Madame Destiny Megaways at 96.51%. The gap between the five is small, and RTP is a long-run average, so it does not predict a single session.
Does bet size change my chances of winning?
No. Bet size changes how much you risk per spin and how quickly your balance moves, not the underlying odds. What it does affect is whether you stay inside a bonus bet cap such as the partner's published A$5 limit.
How long should a session be?
Long enough to enjoy, short enough that the money spent is money you were happy to spend. Decide the length and the budget before the first spin, because the published RTP only averages out over a very large number of spins.
Are free slot machine games the same as the real-money versions?
The demo build usually runs the same maths, including the RTP and volatility published for the game. What changes is that credits have no cash value and winnings cannot be withdrawn. Treat the free version as a way to learn the paytable, not as a preview of your results.