Play Gem Boost Slot

From the moment the Gem Boost slot screen loads, you can sense this is an all-action game from 24/7 Reels. The free slot machine is set within a dark cave, where gemstones are painstakingly mined around the world.

With an 8x8 reel grid, turbocharged by a Cascading Reels game mechanic, you don’t have to worry about winlines here. It’s all about landing matching clusters of precious gemstones – five or more to be precise. The bigger the cluster, the bigger the prize!

Keep your eyes peeled for the most valuable diamonds, which can have a transformational impact on the reels. You can start the reels of this high-volatility slot spinning from just GC 200, up to a maximum of GC 10,000. There's a chance to unleash maximum multipliers worth 25,000x your initial spin in Gem Boost, which carries a return-to-player (RTP) percentage of 94.46%-94.66%.

Bonus Features

Gem Boost comes with a popular free spins feature, complete with rising win multipliers. To the left of the reels, you’ll find the “Play Feature” button. If you want to activate the free spins round, and you don’t have time to wait for the scatters to appear, you can activate this feature for 100x your usual spin amount.

Play More Gem Slots

If you enjoy unearthing precious gems and prizes, we’ve got a jam-packed library of gem-themed slots at McLuck.com, including Magic Crystals and Little Gem Hold & Spin.

Try the highly volatile Gem Boost slot, for a chance to convert colorful stones and diamonds into real-world wins!