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Slot Review

Gronk’s Gems

Our Rating:

89.49% Gold star

Gronk’s Gems by Hacksaw Gaming
No, take me back

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1 Times Played


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100%/€500 + 200 Free Spins

35x wagering

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Yordan Gyuzelski | Web Content Writer

Updated: Jun 11, 2024

Quick Facts

Provider: ProviderThe Slot Provider is none other than the company who developed the slot. Simply click on the name of the provider to find our more about it!
Date Launched: Date LaunchedThe date when this slot game was launched. 27/10/2022
Theme: ThemeTheme is the general genre that the the slot could be classified as. One of the elements that makes slot games appealing, A nicely planned popular theme can potentially skyrocket the popularity of an online slot! Crystals, Gems, Space
Jackpot: JackpotA stand-alone or multi-leveled progressive prize pool that a player can win at a given time, simply by spinning the reels.
Special Symbols: Special SymbolsThe special symbols of a slot are part of its mechanic. Elements such as Wilds, Scatters and regular paying symbols come together to form winning combinations. Scatters, Wilds

Review Summary

Gronk's Gems by Hacksaw Gaming is a well-crafted slot game that combines an engaging fantasy theme with robust gameplay mechanics. The game features a cluster-pay system, where wins are formed by matching symbols in clusters, with subsequent cascading reels that keep the excitement levels high. Players can enjoy two unique bonus rounds: Gronk's Treasure, which offers 10 free spins with a higher chance of landing Epic Gems, and Gem Hoarder, where each winning symbol increases a global multiplier. The game's medium volatility and RTP of 96.24% make it a balanced option for players seeking both frequent wins and the chance for bigger payouts. Additionally, the game is highly mobile-friendly, optimized for smooth play on smartphones and tablets. With its wide betting range, Gronk's Gems accommodates various player preferences, from low-stakes bettors to high rollers. This comprehensive approach ensures that Gronk's Gems delivers a satisfying and immersive gaming experience.

Slot Information

Return to Player (RTP): Return to Player (RTP)The Return to Player is a statistic that aims to show the player's edge over the casino - the higher this number is the better! We review all slots based on this RTP value so click on the percentage on the right to find our more slots with a similar RTP! 96.24%
Volatility/Variance: Volatility/VarianceVolatility or Variance is meant to describe the winning potential of a slot game: a high volatility will have you win big but no so often, while a low volatility will let you win frequently, but less. High
Progressive Slot: Progressive SlotA progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Slot Type: Slot TypeSlots can be categorized as classic, 3D, video slots, etc. Click on the type of slot on the right to see similar types of slots! Video Slot
Rows: RowsPart of the design of the slot, the rows are the horizontal lines that trigger special features when certain paying symbols fall in place. 6
Reels: ReelsReels are the vertical lines that are build in the slots architecture; together with the rows they help trigger special winning combinations. 6
Paylines: PaylinesPaylines, or betting lines, are the pre-determined links of symbols across the rows and reels of a slot. A slot can have anywhere from just 1 payline or up to thousands paylines!
Slot Layout: Slot LayoutThe layout of the slot is the way the slot is built, based on the number of rows, reels and paylines. 6 x 6

Slot Features

Minimum Bet: Minimum BetThe minimum accepted amount that will allow you to spin the reels of this slot game. $0.1
Maximum Bet: Maximum BetThe maximum accepted amount that will allow you to spin the reels of this slot game. $100
Maximum Win: Maximum WinThe total maximum amount that you could win triggering the biggest winning combo. $750000
Progressive Slot: Progressive SlotA progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Auto Play Feature: Auto Play FeatureAuto Play is a built-in function on the slot interface that enables automatic spinning of the slot without the player having to press the Spin button on every spin. Usually, the function can be preset to auto execute a certain number of spins like 20,50, 100, or more. Players can typically define their bet amount and set loss limits before starting Auto Play.
Bonus Buy Feature: Bonus Buy FeatureThis feature enables players to instantly pay for and access the special bonus feature of the slot instead of waiting for a lucky spin in a long spin sequence. This feature has proven to be quite popular among slot players.
Free Spins Feature: Free Spins FeatureFree spins are the most popular feature in online slots today. Usually they are not just a free spinning on the usual gameplay of the slot but are bundled into separate and more exciting feature with special effects and much greater winning potential.
Turbo Play Feature: Turbo Play FeatureThe Turbo Play feature allows players to play a given slot much faster than usual by bypassing slower effects in graphics and music. It is preferred by players who are familiar with a given slot and do not want to hear repetitive sounds and moves for a long time.
Available: Android, IOS, Windows


  • Engaging Cluster-Pay System
  • Two Unique Bonus Rounds
  • Wide Betting Range


  • No Wild Symbols
  • Variable RTP

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Gronk’s Gems Base

Gronk’s Gems Base

Gronk’s Gems Hoarder

Gronk’s Gems Hoarder

Gronk’s Gems Homescreen

Gronk’s Gems Homescreen

Gronk’s Gems Win3

Gronk’s Gems Win3

Gronk’s Gems Win2

Gronk’s Gems Win2

Gronk’s Gems Win

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Gronk’s Gems Total

Gronk’s Gems Total

Expert’s Opinion


1201 Articles

As an expert in online slots, I find Gronk's Gems to be a standout example of Hacksaw Gaming's innovative approach to game design. The game's integration of a cluster-pay system and cascading wins creates a dynamic and engaging gameplay experience that keeps players invested. The inclusion of two distinct bonus rounds, each with its own unique mechanics, adds depth and variety to the game. The medium volatility is well-calibrated to appeal to a broad audience, offering a balanced mix of regular smaller wins and the potential for substantial payouts. The RTP of 96.24% is competitive and ensures fair play, while the wide betting range makes the game accessible to all types of players. The mobile optimization is particularly impressive, as it maintains the game's visual and functional quality across different devices. Hacksaw Gaming has successfully created a slot that is not only visually appealing but also rich in features and rewarding potential. Gronk's Gems is a highly recommended slot for both casual players and seasoned enthusiasts.

8.95 /10 by Yordan Gyuzelski

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Gronk’s Gems Thumbnail

Introducing the Gronk's Gems

Gronk's Gems, developed by Hacksaw Gaming, is an intriguing addition to the realm of online slot games. This game, featuring the endearing yet formidable cave troll Gronk, draws players into a vibrant, fantasy-inspired world. Residing within Hacksaw Gaming's Pocketz Series, Gronk's Gems stands out with its cluster-paying mechanics and two enticing bonus rounds: Gronk's Treasure and Gem Hoarder. The game's design, optimized for mobile play, is complemented by detailed visuals and dynamic gameplay, ensuring an engaging experience whether you're on a smartphone, tablet, or desktop.

Gronk's Gems Volatility and RTP

Gronk's Gems boasts a medium volatility rating, which Hacksaw Gaming has quantified as 3 out of 5. This balance ensures that the game strikes a middle ground between frequent smaller wins and the potential for larger payouts. Such a volatility level is appealing to a broad spectrum of players, as it provides a steady stream of engagement without the extremes of high volatility slots, which can be more unpredictable. Additionally, the purchase of certain bonus features can alter the volatility, making it higher and adding another layer of strategic depth to the gameplay.

The theoretical Return to Player (RTP) value for Gronk's Gems is set at 96.24% when playing at the highest stake level. This figure represents the percentage of all wagered money that the slot is expected to pay back to players over time. It's a solid RTP, aligning with industry standards for online slots, providing players with a fair chance at returns. However, it is important to note that actual RTP can vary slightly depending on the specific stake level and the platform on which the game is played, so players are advised to review the paytable information before starting their game.

Gronk's Gems features a medium volatility rating (3/5) and a theoretical RTP of 96.24%, offering balanced gameplay with fair chances of returns.

The Paytable of Gronk's Gems

The paytable in Gronk's Gems is structured around a cluster-pay system, requiring at least five matching symbols to form a win. These clusters can connect horizontally or vertically, and successful clusters are removed from the grid, allowing new symbols to cascade into place. The lower-tier symbols consist of four uncut gems in various colors, while the higher-tier symbols include a blue octagonal gem, a purple hexagonal gem, a star, and a diamond. Payouts range from 0.2 to 1.5 times the bet for clusters of five, escalating dramatically to 150 to 1,500 times the bet for clusters of 36 or more, providing substantial winning potential for players.

Gronk’s Gems Paytable Gronk’s Gems Paytable2

The Symbols of Gronk's Gems

The symbols in Gronk's Gems are predominantly gem-like objects, with both low-value uncut gems and higher-value polished gems, including octagonal and hexagonal shapes, stars, and diamonds.

Gronk’s Gems Green

x36+ = 300

x31-35 = 150

x26-30 = 100

x21-25 = 70

x17-20 = 40

x14-16 = 20

x11-13 = 10

x9-10 = 6

x7-8 = 3

x6 = 1

x5 = 0.40

Gronk’s Gems Blue

x36+ = 300

x31-35 = 150

x26-30 = 100

x21-25 = 70

x17-20 = 40

x14-16 = 20

x11-13 = 10

x9-10 = 6

x7-8 = 3

x6 = 1

x5 = 0.40

Gronk’s Gems Pink

x36+ = 400

x31-35 = 200

x26-30 = 150

x21-25 = 100

x17-20 = 60

x14-16 = 30

x11-13 = 15

x9-10 = 10

x7-8 = 5

x6 = 2

x5 = 0.60

Gronk’s Gems Yellow

x36+ = 100

x31-35 = 40

x26-30 = 20

x21-25 = 10

x17-20 = 4

x14-16 = 2

x11-13 = 0.80

x9-10 = 0.40

x7-8 =

x6 =

x5 =

Gronk’s Gems Hexagon

x36+ = 600

x31-35 = 300

x26-30 = 200

x21-25 = 150

x17-20 = 100

x14-16 = 50

x11-13 = 30

x9-10 = 15

x7-8 = 7

x6 = 3

x5 = 1

Gronk’s Gems Pink2

x36+ = 800

x31-35 = 400

x26-30 = 300

x21-25 = 200

x17-20 = 140

x14-16 = 80

x11-13 = 40

x9-10 = 20

x7-8 = 10

x6 = 4

x5 = 1.40

Gronk’s Gems Star

x36+ = 1.000

x31-35 = 600

x26-30 = 400

x21-25 = 300

x17-20 = 200

x14-16 = 100

x11-13 = 60

x9-10 = 40

x7-8 = 20

x6 = 6

x5 = 2

Gronk’s Gems Ruby

x36+ = 3.000

x31-35 = 1.000

x26-30 = 800

x21-25 = 600

x17-20 = 400

x14-16 = 200

x11-13 = 100

x9-10 = 60

x7-8 = 30

x6 = 10

x5 = 3

Gronk's Gems Features

Gronk's Gems offers several distinctive features designed to enhance the gameplay experience. Charged symbols and Epic Gems are central to the game's dynamics, with winning clusters causing symbols to enter a charged state, which can then transform and merge into higher-value symbols. The Gronk's Treasure bonus awards 10 free spins with an increased likelihood of landing Epic Gems. Meanwhile, the Gem Hoarder bonus provides five spins and a unique mechanic where each removed winning symbol boosts a global multiplier. This multiplier is applied to wins connected to the special X-Gem symbols, significantly amplifying potential payouts.

Feature Description
Minimum Bet The minimum bet amount in Gronk's Gems is $0.1, allowing for flexible wagers.
Maximum Bet The maximum bet amount in Gronk's Gems is $100, catering to high rollers.
Auto Play Feature The Auto Play feature enables seamless and convenient automated gameplay.
Free Spins Feature The Free Spins feature awards players with additional spins for more chances to win.
Bonus Buy Feature The Bonus Buy Feature allows players to instantly access the Free Spins feature by purchasing it with a single click, providing an opportunity for thrilling encounters with the bison and the potential for wild wins.

Gronk's Gems Mobile Compatibility

Mobile Slot Machine IconGronk's Gems, as part of Hacksaw Gaming's Pocketz Series, is meticulously optimized for mobile devices. Players are encouraged to switch their devices to landscape mode to fully appreciate the game's design, which includes seeing Gronk on the side of the screen. This optimization ensures that the gameplay is smooth and immersive, regardless of whether it is accessed via a smartphone, tablet, or desktop. The intuitive mobile interface retains all the functionality and visual appeal of the desktop version, making it a versatile choice for players on the go.

Helpful Questions for Gronk's Gems by Hacksaw Gaming

Learn more and enhance your Gronk's Gems experience with these helpful questions.

What is the RTP of the Gronk's Gems?

96-97 RTP RangeThe RTP, or Return to Player, of Gronk's Gems is 96.24% at the highest stake level. This percentage reflects the amount of wagered money that the game is expected to pay back to players over an extended period of play. It's an important metric for players as it gives an idea of the game's potential profitability. However, the RTP can vary slightly depending on the stake level and platform. Players should always check the specific RTP value on the platform they are playing to ensure they are aware of the expected return rate, enhancing their gaming experience with informed choices.

What is the maximum win of Gronk's Gems?

Maximum Win IconThe maximum win in Gronk's Gems is an impressive 7,500 times the bet. This high potential payout adds significant excitement and allure to the game, offering players the chance to achieve substantial rewards. Such a large maximum win is particularly appealing in cluster-pay slots, where larger clusters of symbols can dramatically increase the payout. This potential makes every spin thrilling, as players could hit the jackpot with a lucky cluster. The combination of engaging gameplay mechanics and the possibility of high returns makes Gronk's Gems a compelling option for slot enthusiasts seeking big wins.

What is the betting range applied at Gronk's Gems?

Range IconGronk's Gems offers a flexible betting range that caters to various types of players. The base stake level begins at 10 p/c (pence or cents) and goes as high as $/€100, accommodating both casual players and high rollers. This wide range ensures that the game is accessible to players with different budgets and risk preferences. By providing such versatility, Hacksaw Gaming allows players to adjust their stakes to match their comfort level and strategy, enhancing the overall gaming experience. This inclusive approach makes Gronk's Gems appealing to a diverse audience of slot enthusiasts.

Which game provider has created Gronk's Gems?

Hacksaw Gaming LogoGronk's Gems is developed by Hacksaw Gaming, a renowned game provider known for creating innovative and engaging online slots. Hacksaw Gaming has a reputation for its distinctive game designs and mobile-optimized slots, part of their Pocketz Series. Their games are characterized by unique themes, high-quality graphics, and dynamic features that enhance the gaming experience. Gronk's Gems is a testament to their creative prowess, combining captivating visuals with exciting gameplay mechanics. Hacksaw Gaming continues to establish itself as a leader in the industry, delivering high-quality gaming experiences across various platforms.

Is Gronk's Gems mobile-friendly?

Mobile Casinos Icon

Yes, Gronk's Gems is designed to be mobile-friendly, aligning with Hacksaw Gaming's Pocketz Series' focus on mobile optimization. Players can enjoy the game on smartphones and tablets, with the interface adjusting seamlessly to different screen sizes. The game is best experienced in landscape mode, which reveals more of the game's detailed graphics and Gronk's character. This mobile compatibility ensures that players can enjoy the full features and immersive experience of Gronk's Gems wherever they are, making it a versatile and accessible option for gaming on the go. This attention to mobile design highlights Hacksaw Gaming's commitment to modern, player-friendly slot experiences.

CasinoLandia's Conclusion on Gronk's Gems

Gronk's Gems is a captivating addition to the world of online slot games, crafted by Hacksaw Gaming. With its charming and formidable troll character, Gronk, the game invites players into a fantastical world filled with vibrant gem-like symbols and thrilling gameplay mechanics. The cluster-pay system and cascading wins keep the action engaging, while the two distinct bonus rounds, Gronk's Treasure and Gem Hoarder, offer ample opportunities for substantial rewards. The game's medium volatility strikes a balance between frequent smaller wins and the potential for significant payouts, making it appealing to a wide range of players. The theoretical RTP of 96.24% ensures fair returns, and the flexible betting range caters to both casual players and high rollers. Additionally, the mobile optimization, a hallmark of Hacksaw Gaming's Pocketz Series, ensures that the game runs smoothly on various devices, enhancing its accessibility. Overall, Gronk's Gems stands out as an entertaining and rewarding slot game that promises an immersive experience for players.

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