Gem Crush

by NetEnt

Our love affair with gems continues today as we take a closer look at Gem Crush from NetEnt. This grid slot has the potential to provide multipliers, free spins, 2x2 Wilds and a top win of 4,361x.

Slot information

RTP: 96.13%
Volatility: Medium-High
Max Payout: 4,361x stake
Jackpot: No
Min Bet: 0.10
Max Bet: 40.00
Category: Grid slots
Theme: Fairytale
Release Date: 12th Dec 2023

Our rating

“ The most chilled-out way to play for 4,361x ”

3.8 out of 5

Win potential

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Gem Crush Screenshots

  • Gem Crush Slot - Screenshot 1
  • Gem Crush Slot - Screenshot 2
  • Gem Crush Slot - Screenshot 3
  • Gem Crush Slot - Screenshot 4
  • Gem Crush Slot - Screenshot 5

Gem Crush Features

As far as features and modifiers go, I wouldn't begin to panic if I were you. There's not much that Gem Crush will throw you to cause any confusion, but there are elements that are powerful enough to create a potentially rewarding slot session.

As a Cluster Pays slot, you'll need a minimum of five matching symbols to land in a group, touching horizontally or vertically. It is possible to watch over 30 matching symbols form a cluster and for this, you’ll get some very decent rewards

These symbols are fairly similar in that there are four low-paying symbols and four high-paying ones—2 sets of blue, green, purple and orange ones. Each low-paying gem has a high-paying counterpart and it's hard to tell them apart. You sometimes think you're about to win big but you're actually watching two different gems. As symbols create a winning cluster, they are removed and new ones drop down into place.

Wild symbols can do their usual thing and during the Free Spins game they can produce even better results as they land in a 2x2 format.

A random multiplier could arrive during the Base game and if it is present while a winning cluster appears, the multiplier is added. During the Free Spins Bonus, the multiplier is persistent throughout and will increase every second spin or if the XStrike feature triggers.

There isn't much more to know about this Bonus game other than the fact that you will receive 10 free plays for landing three Bonus Scatter symbols.

Gem Crush - Active Multiplier

Active Multiplier

This won’t occur all the time, but it can pop up occasionally and add a random multiplier figure to any wins that take place while it’s present.

Gem Crush - Rainbow Gem

Rainbow Gem

A number of symbols get marked by the Rainbow Gem and this means that they’re going to upgrade to a better symbol and might just form a winning cluster.

Gem Crush - Free Spins

Free Spins

10 free spins take place thanks to three Scatters arriving during the Base game. You now get a multiplier that increases with every second spin or as a result of the XStrike feature, 2x2 Wilds and persistent Rainbow Gems.

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Gem Crush Review

What Gem Crush lacks in action and adventure, it certainly makes up for in tranquillity and simplicity. These are the cornerstones of this production and there's nothing here to get riled up about. Just sit back, relax and enjoy the show!


You get the feeling that you are somewhere high up in a fairytale mountain and the night sky paints an idyllic picture for this setting. The reels are surrounded by rocks and waterfalls and even the birds seem quite relaxed as they chirp away happily in the background. The music does kick in as you hit the spin button but it soon disappears. It is quite a large grid with six reels and eight rows to contend with, so don't expect to find this easy to keep up with on a smaller mobile device.


As a Cluster Pays slot, you can look forward to a slightly different win line mechanic to what you may be used to and you also get the benefit of the Avalanche as new symbols come into play. This continuing sequence could provide win after win. It would have been nice to see the multiplier figure land with a little more frequency but it is there persistently throughout the Bonus game. And it is in the Bonus feature that the biggest wins are available, so any aspirations of nudging out a max win will depend on a visit to this area.

Win Potential

For all of its peace and tranquillity, there is still some highly volatile activity to contend with. The official word is medium-high, but my time with this slot didn't feel anything close to medium volatility. The RTP is 96.13% and this will increase slightly if you are in an area outside the UK that allows you to use the Bonus Buy. Incidentally, it will cost 70x to head straight to the Free Spins round.

My Verdict

As far as grid slots go, Gem Crush isn't the most intricate of creations and definitely doesn't reach the activity levels of Gargantoonz, for example. There is a lack of modifying action and the multipliers didn't arrive frequently enough for my liking. That said, I didn't feel the slightest bit of stress as I was hitting this spin button and that's surely got to be worth a mention, right?

Paul Clare
Reviewed by Paul Clare Last updated:

Paul spent plenty of time in arcades up and down the UK discovering all of the best fruit machines and watching them grow into the incredible online slots we see today. He still loves the basic format but also has a soft spot for games with big bonus rounds that progress as you play. Immortal Romance is one of his favourite slots of all time.

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