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Gargantoonz is an online slot developed by Play'n GO. It has an 7x7 layout, cluster pays and an RTP of 96.20% and is highly volatile. It has a maximum win multiplie...r of 7,000x the bet and has an array of features, including Fluctuation, Discharge, Gamma Ray Bursts, Gargantoon Charger and Gargantoonz.

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  • Diverse bonus features
  • Innovative gameplay
  • High win potential of 7,000x
  • Highly volatile gameplay

Gargantoonz Slot Review

Welcome to the wacky world of Gargantoonz, the latest instalment in the Toonz series by Play'n GO! Step into Dr Toonz's laboratory, where quirky experiments and extraterrestrial fun collide. Dr Toonz has successfully created a small one-eyed Gargantoon, and now it's time for some out-of-this-world adventures.

Gargantoonz Slots Theme, Graphics & Soundtrack


The Gargantoonz slot take players on an intergalactic adventure set in Dr Toonz's laboratory. The theme continues the playful and quirky atmosphere of the Toonz series, featuring alien creatures, vibrant colours and a cosmic backdrop.


The graphics in Gargantoonz maintain the high standard of the Toonz series. The game grid is well designed, with clear symbols and animations that bring the alien characters to life. The evolution of Gargantoon through the Experiment Charger feature is a visual highlight, adding a sense of progression and excitement.


The soundtrack of the Gargantoonz slot complements the cosmic theme with retro synth tunes. The music adds a lively and upbeat atmosphere to the gameplay, enhancing the overall experience. 

Gargantoonz RTP & Volatility

Gargantoonz's RTP is 96.20%, and it has high volatility. The maximum win multiplier in Gargantoonz is 7,000x the bet.

How to Play Gargantoonz

It’s easy to get started with the Gargantoonz slot. Follow these instructions:

  1. Select your bet by using the plus and minus signs at the bottom of the screen.
  2. Click the information icon to read the slots rules and view the paytable.
  3. When you’re happy with your bet, simply click the spin button the set the reels in motion.
  4. Always play responsibly. Most casinos have tools such as self-exclusion that you can use if necessary.

How to Win at Gargantoonz

Gargantoonz features a unique setup with a 7x7 grid, doing away with traditional paylines. Instead, winning combinations are formed through clusters of five or more identical symbols. 

Highest-Paying Winning Symbols

The base game comprises both low-paying and high-paying winning symbols. One-eyed creatures represent the lower-paying symbols, while two-eyed creatures make up the higher-paying ones.

The highest-paying symbol is the red two-eyed creature. Other high-paying winning symbols are:

  • Pink two-eyed creature
  • Green two-eyed creature
  • Yellow two-eyed creature
  • Blue two-eyed creature

Wild Symbol

The wild symbol in the Gargantoonz video slot is represented by orbs. 


In the Fluctuation feature, a lower-paying symbol is chosen randomly on each spin. If a winning cluster is formed with this selected symbol, one or two wild symbols appear in the positions where symbols were removed. 


The Discharge feature kicks in on non-winning spins, injecting a burst of energy into the game. Between four and eight Wilds may be randomly added to the grid, turning a lacklustre spin into an exciting opportunity for wild-enhanced clusters. 

Experiment Charger

The Experiment Charger is a central element in Gargantoonz, representing a pathway to powerful bonus experiments. Winning combinations charge the Experiment Charger, and when fully charged, players unlock experiments such as the Gamma Ray Burst, Black Hole and Supernova. These experiments introduce additional Wilds and unique mechanics, enhancing the potential for significant wins.

Gamma Ray Burst

The Gamma Ray Burst experiment is activated when the Experiment Charger is full. It showers the grid with seven to nine Wilds, counting the symbols in their clusters before departing. 

Black Hole

In the Black Hole experiment, four to six Wilds are added to the grid. Winning wilds remain on the grid until there are new wins, and after the cascades they collect adjacent symbols, charging the Experiment Charger. 


The Supernova experiment brings three to five Wilds to the grid, each counting the symbols in their clusters. These wilds remain on the grid if there are wins and move diagonally on each new cascade if possible. After all winning cascades, the Supernova Wilds move in any possible direction, collecting symbols and leaving to charge the Experiment Charger. 


The pinnacle of the bonus features, the Gargantoonz feature is activated by successfully completing experiments and charging the Gargantoon charger. This feature unfolds in three steps, introducing 1x1, 2x2 and 3x3 Gargantoon wilds to the grid. The Gargantoon wilds come with increasing multipliers, providing the potential for massive wins. 

Max-win 7,000x
Volatility High
Top RTP 96.2%

Gargantoonz Review Summary

Gargantoonz delivers a captivating gaming experience with its innovative 7x7 grid set-up and cluster pays mechanics. The absence of traditional paylines in the base game adds an element of freshness, and the cascading symbols create dynamic gameplay. It may not feature a scatter symbol, but the Experiment Charger and Gargantoonz feature provide a rewarding progression, giving players a sense of accomplishment as they evolve through the experiments.

Bonus Features

Gargantoonz stands out with its rich variety of bonus features. From the versatile wild symbol to the engaging Fluctuation and Discharge features, players are treated to a diverse array of in-game events. The Experiment Charger and subsequent experiments like Gamma Ray Burst, Black Hole and Supernova keep the gameplay dynamic and offer ample opportunities for substantial wins. The Gargantoonz feature, with its three evolving steps, serves as the grand finale, providing the potential for significant multipliers and thrilling outcomes.

Disclaimer: Gargantoonz trademark / license is owned by Play N Go. This site is not endorsed by Play N Go.

Slot Data
Slot Name: Gargantoonz
Software: Play N Go
RTP: 96.2%
Volatility: High volatility
Paylines: 7
Reels: 7
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £100 (GBP)
Top Win: 7000
Features: Wild Symbol, Clusters, High volatility, Cascading, Reel Modifiers, Transforming Symbols
UK Available in UK? Yes. Play N Go have a UKGC license and are allowed to offer their games at UK licensed casinos.


How does the Experiment Charger work in Gargantoonz?

The Experiment Charger in the Gargantoonz slot is fuelled by winning combinations, requiring 20 symbols to activate. Once charged, it triggers experiments like Gamma Ray Burst, Black Hole and Supernova, introducing wild mechanics to the grid. Successful experiments contribute to the Gargantoonz feature, unlocking wild evolutions and potential big wins.

Is there a jackpot in the Gargantoonz slot?

No, Gargantoonz does not feature a jackpot. Instead, it offers a max total win potential of up to 7000 times the bet. Players can aim for significant wins by activating bonus features, completing experiments through the Experiment Charger and unlocking the Gargantoonz feature, where evolving wilds and multipliers create opportunities for substantial payouts.

The Gargantoonz slot doesn’t have a jackpot. I like slots that feature a jackpot. Can you recommend one?

If you want to play slots with a jackpot feature, you could try 16 Coins by Wazdan. It has four levels of jackpot and also features a multiplier, respins, mystery symbols and a hold and spin round. You can play this slot and many other demo slots here at Slots Temple, so you can try games out without risking any money.

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