An eruption of coins is the goal in Volcanic Cash, an entertaining 5 reel, 20 payline slot from Novomatic. Featuring a stone age caveman theme, it comes with a bonus feature that offers between 15 and 25 free spins. Available also on mobile and tablets, you can play between 20p and £50 per spin.

Set against a cartoon-style volcano, the reels include a selection of brightly coloured playing card symbols as well as a dinosaur, dinosaur, egg, Flintstone-style caveman and his wife. The Volcanic Cash logo is the biggest paying standard symbol, offering 500 times your line bet for a 5 symbol combination. There’s also a wild which replaces everything apart from the Volcano Scatter. The visuals are brash, bold and basic which is right in keeping with the prehistoric theme.

Land 3, 4 or 5 Volcano Scatters anywhere on the reels and you’ll win a payout of 5 times your total stake. You’ll also trigger the Free Spins feature and be awarded 15, 20 or 25 free spins depending on how many scatters activated the feature.

The other extra that’s added throughout the feature is the lava symbol – it’s a wild that appears on the middle 3 reels and substitutes for all other symbols. The lava symbol comes in addition to the standard wild and can appear as stacked. There aren’t any scatters on show during the feature, so, unfortunately, you can’t re-trigger any more free spins though.

Volcanic Cash is a break from the Novomatic staple of classic fruit machine makeovers – it’s still pretty basic, both in terms of the sound and visuals and the gameplay. The 1 feature on offer is a good one though. Even the minimum trigger will get you a decent number of free spins. Throw in the extra wilds and some impressive results are possible.

As you’d expect from a slot where a volcano takes centre stage, Volcanic Cash is a volatile beast with the variance being on the high side of medium. It can take some time to trigger the feature so deep pockets and plenty of patience are recommended.

Watch out when the volcano becomes active though – get lucky with the combination of wilds and this volcano can shower you with plenty of coins. If you like volcanoes, Volcano Eruption from NextGen Gaming is pretty good but I suggest you try Jurassic Park from Microgaming which takes you back to pre-historic times.