This fun slot from Mascot Gaming implies that the jewel symbols grow, but it’s the five reels themselves that expand and contract with each different bonus round. Gemz Gro...w starts out with a 5 x 3 matrix, with 243 Ways to Win. But this changes according to scatter placements, to offer up to 3,125 Ways. A generous RTP of 96.7% accompanied by medium-volatility gameplay makes this game suitable for most players. Activate the Win Multipliers, and you could be in with a chance of winning up to 500x your stake.
Contents
Introduction
We’ve seen plenty of gemstone-themed slots games before, from the iconic Starburst to the fun, fairy tale world of the popular Gemix slot. But now Mascot Gaming has released its own take on the genre by seemingly blending those two slots into a single game. The result is a smooth and sophisticated slot that transports players into another world, which turns out to be rather relaxing - and potentially lucrative too!
Theme, Graphics & Soundtrack
Mascot Gaming may be new, but it has set out its stall in terms of quality. Gemz Grow manages to combine elements of Irish and Asian cultures, featuring green, grassy landscapes, four-leaf clovers and Chinese coins.
The game looks stylish, and plays out perfectly across all devices. And the developers haven’t forgotten about the soundtrack either. It’s gentle, harmonious and altogether ambient, so you’re unlikely to want to go searching for the ‘mute’ button. But just in case you do, you’ll find it in the menu at the bottom left-hand corner of your screen!

RTP & Volatility
The RTP of Gemz Grow is 96.7%. This is a medium-volatility game, so keep a close eye on your bankroll, as it can disappear fast if you’re not careful!
How to Play Gemz Grow
1. Decide how much you’d like to stake on every spin.
2. Press Max Bet if you’d like to play at top stakes.
3. Hit the central Spin button - or choose Autoplay for multiple spins at the same bet.
4. Access the game’s settings, sounds and paytable from the menu button at the bottom left of your screen.
Min & Max Bets + Top Wins
You can spin the reels of Gemz Grow from as little as 0.25 per spin, although this price may put it out of reach of penny slots fans. Higher-risk players will appreciate the ability to bet up to 50.00 per spin - but remember, the size of the prizes in medium-volatility games often aren’t as generous as you might suppose. So it’s well worth playing this particular game in demo mode for as long as you possibly can. That’ll give you the best chance of assessing how gameplay unfolds over a period of time.
The lowest value symbols on the reels are the playing card icons, with gemstones representing the higher value symbols. The top payouts for landing five of a kind during the base game are as follows:
10, J, Q = 0.8x your stake
K, A = 1x
Blue crystals = 2x
Yellow or purple gems = 3x
Ruby hearts = 4x
Bonus Features & Free Spins
A four leaf clover wild substitutes for other symbols on the reels. It doesn’t deliver any cash awards on its own, but by filling in the gaps in potential winning combinations, it can help to boost your overall balance.
The traditional Chinese coin is the game’s scatter symbol. It doesn’t come with any associated financial rewards, but it does trigger all of the bonus respins and free Spins, depending on how many land with each spin.
Respins
Spin up a single scatter, and you’ll trigger a free respin. Two scatters landing on the grid triggers two free respins, with extra rows added to the central three reels while they take place. This increases the number of potential ways to win to 576, as well as applying a 2x multiplier to every win.
Free Spins
Spinning up three, four or five scatters triggers separate free spins bonus rounds with Transforming Reels. Spin up three scatters and the grid matrix changes to a 3, 4, 5, 4, 3 pattern, offering 720 ways to win, along with a 3x multiplier applied to all wins Four scatters triggers the grid to change to a 2,000x ways to win matrix of 4, 5, 5, 5, 4 reels. Every win throughout this bonus round is subject to a 4x multiplier. And if you’re lucky enough to spin up five scatter symbols with a single spin, a 5 x 5 grid delivers the maximum 3,125 ways, along with a 5x multiplier.
Overall Review
If you’re not familiar with Mascot Gaming demo slots, then you’re in for a treat with Gemz Grow. The premise is simple, but the stunning graphics and absorbing gameplay make this incredibly good fun. But keep a close watch on your balance as you play. It can be all too easy to focus on the scatters in the hope of triggering one of the bonus features, but it’s astonishing how quickly your bankroll can drain away if you don’t set very clear limits from the outset.
| Slot Name: | Gemz Grow |
|---|---|
| Software: | Mascot Gaming |
| RTP: | 96.70% |
| Paylines: | 243 |
| Reels: | 5 |
| Min Bet (all lines covered): | £0.25 (GBP) |
| Max Bet: | £125 (GBP) |
| Top Win: | 500 |
| Features: | Bonus Game, Wild Symbol, Scatter Symbol, Free Spins, 5 Reels |
| Themes: | Jewels |
| Last Update: | 29/06/2026 |
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No. :maker does not have a UKGC license and cannot offer their games at UK licensed casinos. |
FAQs
Can I play Gemz Grow for free?
Yes, Gemz Grow, just like all the other games to be found on our site, is completely free to play here at Slots Temple
Can I keep my winnings from playing Gemz Grow?
Not on our site, since the money is only for demonstration purposes. But sign up to an online casino offering Mascot Gaming software, and you keep any winnings you spin up on the reels of Gemz Grow. Check out which casinos have the best slot bonus offers to get yourself off to a flying start.
What is the RTP of Gemz Grow?
The RTP of Gemz Grow 96.7%.
How volatile is Gemz Grow?
Gemz Grow is a medium-volatility game.
What is the biggest win available on Gemz Grow?
Land five ruby hearts during the top tier free spins bonus round, and you’ll win 500x your stake.
Does Gemz Grow have a free spins bonus round?
There are two respin bonus rounds, and three separate free spin bonus rounds in Gemz Grow, depending on how many scatters you spin up.
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