What is a high volatility slot?

One that pays less often but with larger occasional wins.

No; same kind of house edge, wider swings.

What stake should I use?

One that buys at least 200 spins.

High Volatility Slots UK: Big Swings, Explained

Short answer: Big Bass Bonanza, Gates of Olympus, Book of Dead, Sweet Bonanza and Fluffy Favourites are rated high volatility. Starburst is low; Fishin' Frenzy is rated medium to high.

High volatility slots

Big Bass BonanzaPragmatic PlayRTP 96.71%Volatility HighMax win 2,100x

Sweet BonanzaPragmatic PlayRTP Varies by versionVolatility HighMax win 21,100x

Gates of OlympusPragmatic PlayRTP 96.50%Volatility HighMax win 5,000x

Book of DeadPlay'n GORTP 96.21%Volatility HighMax win 5,000x

Fluffy FavouritesEyeconRTP 95.39%Volatility HighMax win 5,000x

Slot	Default RTP	Max win	Where the big wins come from
Big Bass Bonanza	96.71%	2,100x	Fisherman collections with a rising multiplier
Sweet Bonanza	Varies by version	21,100x	Multiplier bombs in free spins
Gates of Olympus	96.50%	5,000x	Cumulative multipliers in free spins
Book of Dead	96.21%	5,000x	A premium expanding symbol
Fluffy Favourites	95.39%	5,000x	Tripled free games

What the spins feel like

Long stretches where spins return little or nothing, broken by a feature that decides the session. Two slots with the same RTP can differ completely here: Starburst and Book of Dead are 0.12 points apart on return and worlds apart in feel.

The budget they need

Budget	Stake
£10	5p where available
£20	10p
£50	25p
£100	50p

Check any combination in the spin calculator.

The other two

Starburst is the low volatility contrast. Fishin' Frenzy sits between. More in volatility explained.

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Coral Casino 4.3 out of 5

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Read the Coral review Licence: LC International Limited, UKGC account 54743. Offer checked 5 October 2026.

Ladbrokes Casino 4.2 out of 5

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Read the Ladbrokes review Licence: LC International Limited, UKGC account 54743. Offer checked 5 October 2026.

PlayOJO 4.2 out of 5

80 free spins, no wagering

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Wagering: None
Minimum: £10
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Worked value: 80 spins at £0.10 (£8 in spins)

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Read the PlayOJO review Licence: Skill On Net Limited, UKGC account 39326. Offer checked 5 October 2026.

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Read the Casumo review Licence: Recro Limited, UKGC account 61549. Offer checked 5 October 2026.

10bet Casino 3.8 out of 5

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Read the 10bet review Licence: Blue Star Planet Limited, UKGC account 43173. Offer checked 5 October 2026.

More slot lists: Fishing slots UK, Pays anywhere slots UK and Pragmatic Play slots UK.

Slot figures are developers' published defaults, each confirmed against two sources; your casino may run a lower RTP. Offer terms dated 5 October 2026. How we check. 18+. Free help: 0808 8020 133 or safer gambling.

High volatility slots UK

Key takeaways

High volatility slots

What the spins feel like

The budget they need