Gronk's Gems

by Hacksaw Gaming

There have been rumours about Gronk's hidden treasure and it's finally been revealed by Hacksaw Gaming. Playing on a grid of 6x6, this slot follows a troll called Gronk who happens to hoard a huge amount of gems.

These gems are extremely valuable awarding up to 7,500x the stake - so they are worth finding Gronk for! Gronk's Gems follows a typical Hacksaw Gaming with multiple bonus rounds, multipliers and dazzling visuals. What more could you want?!

Slot information

RTP: 96.24%
Volatility: Medium
Max Payout: 7,500x stake
Reels: 6x6
Jackpot: No
Min Bet: 0.10
Max Bet: 100.00
Category: Grid slots
Themes: Magic, Mythical
Release Date: 8th Dec 2022

Our rating

“ A brilliant gem of a slot ”

4.0 out of 5

Win potential

Play Gronk's Gems

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Gronk's Gems Screenshots

Gronk's Gems Features

This Hacksaw Gaming slot is split between charmed symbols and bonus rounds. Symbol wins make that specific symbol type enter a charged state and glow. When these symbols are charged, the symbol is shown in the charge bar and retains its charged state until the end of the current spin.

The epic gem scatters can potentially drop on cascades after winning symbols are removed and will activate when the grid has settled. When this gem activates, all the charged symbols are transformed into the highest-paying charged symbol.

Every charged symbol absorbed by the epic gem will be counted as if there were one winning cluster. The epic gem counts as 4 symbols so it will always be able to create a minimum win of 5 symbols as long as there is a charged symbol on the grid. Once these symbols have been absorbed, the epic gem explodes to trigger another cascade.

Bonus Rounds

The first bonus round is Gronk's Treasure which is activated when 3 Gronk Head scatters land on the reels at the same time. 10 free spins will be awarded and there is a higher chance of landing epic gem symbols during this bonus.

The second bonus round is Gem Hoarder which can be triggered by landing 3 gem bag scatters. 5 spins are handed out but these can be reset when 3 gem bag symbols land on the reels.

During this feature, there is a progressive multiplier that increases every time a winning symbol is removed. The multiplier value is increased by an amount equal to the number of removed symbols.

Like most other Hacksaw Gaming slots, you can purchase either one of these bonus rounds to trigger them quicker. However, this feature is not available to UK players.

Gronk's Gems - Epic Gem

Epic Gem

At any moment, the epic gem scatter can land and activates all charged symbols into the highest-paying ones. Once all charged symbols are absorbed, the epic gem explodes and triggers another cascade.

Gronk's Gems - Gronk's Treasure

Gronk's Treasure

In order to trigger Gronk's Treasure, you'll need to land 3 head scatters. Once this happens, you'll gain 10 free spins as well as a higher chance to land epic gem symbols.

Gronk's Gems - Gem Hoarder

Gem Hoarder

There is another bonus round that can be triggered with Gem Hoarder. To activate this bonus round, you'll need to land 3 gem bag scatters to gain 5 spins as well as a progressive global multiplier.

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Gronk's Gems Review

There's a misconception that cave trolls happen to be quite evil but that is not the case. With Gronk's Gems, you'll meet the beefy but friendly Gronk that loves to collect gems. If you play your cards right, you might even be able to get a piece of the action!

Like most Hacksaw Gaming slots, this one plays on a grid and contains multiple bonus rounds paired with multipliers. This with stunning visuals and respectable wins makes Gronk's Gems another hit slot in the making from the talented slot developer.


As soon as the game loads, you know instantly it's one of Hacksaw Gaming's higher productions. In the background, there is a glowing cave with a troll named Gronk at the front of the reels. He is animated throughout the slot and looks like a character from World of Warcraft. He is covered in gems whilst looking both grotesque and cute at the same time which is strange to see.

Matching with the gem theme, all the symbols on the reels are different versions of gems or precious rocks. The lower-paying symbols are ones that have not been formed yet, whilst the higher-paying symbols are magnificent gems.

However, it's worth saying that this slot would be nothing without the audio. There are ambient noises of the forest with sounds from birds and insects, as well as noises from Gronk himself. As for the music, there is a whimsical score which feels like something you'd hear in a game like World of Warcraft.


It wouldn't be a Hacksaw Gaming slot without multiple bonus rounds. This one only contains two but it has a typical free spin round and a bonus round with multipliers. There is no mention of a limit on multipliers but these increase whenever winning symbols are removed.

Another amazing feature in this slot is the epic gem which can randomly trigger after cascades. When this occurs, the epic gem activates to charge up other symbols to deliver a win. After this, the symbols explode leading to another cascade.

Win Potential

Gronk's Gems contains a pretty steady win potential starting with an RTP of 96.24%. We recommend playing a slot with an RTP of 96% and above, so this is way over this standard which will delight players.

This medium volatility slot also has a decent maximum win of 7,500x the stake. This is quite a grand amount that can be achieved through the bonus rounds. Whilst this may not be as high as slots such as Money Train 3 or Dead or Alive 2, it's still large enough to deliver some satisfying wins.

Our Verdict

This will not go down as the greatest slot ever created, but it's pretty darn good! Gronk's Gems is one of the best-looking Hacksaw Gaming slots in a long time and delivers a story as well as incredible gameplay. It's made even better by the incredible gameplay and decent win potential.

Hacksaw Gaming has the amazing ability to create something simple but fantastic at the same time. If you want something straightforward but absolutely magical, then look no further than Gronk's Gems.

Charlie Vogelsang
Reviewed by Charlie Vogelsang Last updated on

As the Content Manager at Slot Gods, Charlie is focused on staying on top of the latest slot releases as well as finding the most recent trends. She spends her day searching for the best slots to be reviewed as well as managing most of the content that you will find on the site. Whether it’s the latest slot review from Relax Gaming or a guide on a brand-new mechanic, Charlie will be sure to have it covered on Slot Gods.

Learn more about Charlie here

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