High volatility slot machines
Long quiet stretches and occasional large wins.
By Ryan Jessop. Last checked .
Key takeaways
- Five of our seven are high volatility.
- Maximum wins from 2,100x to 21,100x.
- Return sits in the feature.
- Halve your usual stake.
In shortA high volatility slot machine pays rarely and sometimes heavily. Five of the seven slots we cover are rated high.
Five examples
| Slot | Developer | RTP | Volatility | Max win | Layout |
|---|---|---|---|---|---|
| Sweet Bonanza | Pragmatic Play | Varies by version (96.48% to 96.51% quoted) | High | 21,100x | 6 reels, 5 rows |
| Gates of Olympus | Pragmatic Play | 96.50% | High | 5,000x | 6 reels, 5 rows |
| Book of Dead | Play'n GO | 96.21% | High | 5,000x | 5 reels, 3 rows |
| Fluffy Favourites | Eyecon | 95.39% | High | 5,000x | 5 reels, 3 rows |
| Big Bass Bonanza | Pragmatic Play | 96.71% | High | 2,100x | 5 reels, 3 rows |
What a session looks like
Two players with the same budget can have opposite evenings. One sees no feature in 200 spins; another sees two.
Budget
| Budget | Stake |
|---|---|
| £10 | 5p |
| £20 | 10p |
| £40 | 20p |
Elsewhere on the site: Bonus features, Big Bass Bonanza slot machine, Cascading reels and The best time to play slot machines.
And low volatility
Starburst is the low-volatility machine among our seven, and the comparison is instructive: a similar return, delivered in an entirely different way.
Keep reading: Online vs land-based slot machines, Slot cost calculator, Sweet Bonanza vs Big Bass Bonanza and Fishing slot machines.
Slot figures are developers' published defaults, each confirmed against two sources; the version at your casino can differ. UK land-based stake and prize limits and online rule dates were checked against Gambling Commission and licensing authority sources on 6 October 2026. History follows commonly cited accounts. Offer terms dated 5 October 2026. How we check. 18+. Free help: 0808 8020 133 or safer gambling.
Frequently asked questions
What is high volatility?
Rare, larger wins.
Which has the highest max win?
Sweet Bonanza.
Are they worse value?
Same kind of RTP; bigger swings.
What stake?
Small.