Reactoonz Slot

Review, Demo Play, Payout, Free Spins & Bonuses

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  • Pioneering slot format
  • Various modifiers available
  • Cascading reels
  • Gargantoon offers huge winning potential
  • Need 5 matching symbols to win
  • Difficult to land top modifier

Reactoonz is an online slot created by Play'n GO that’s set on their signature 8X8 grid layout. Wins are formed by matching clusters of symbols, and the minimum bet is 0.20. Bonuses and features include a variety of different enhancements including added wilds and symbol removals.

Introducing Reactoonz

Reactoonz is a cute and quirky online slot from Play n Go, which features a fun match-5 format. It's one of the studio's top-performing titles, and continues to be a huge hit among players.

The developer has also launched a sequel, which features a whole range of new bonus features. You can also give the Reactoonz 2 free play slot right here at Slots Temple.


The symbols on the reels of Reactoonz don't remain inert, as they usually do with these types of games. But this collection of quirky characters, some with one eye, and the others with two eyes, regularly peer at their companions around them.

Take too long to start spinning the reels, and one or another of them will even begin chatting, while the others blink and keep looking around. It's fascinating to watch, and creates an instant engagement with the game, even before you start spinning the reels.


Reactoonz Slot

RTP & Volatility of Reactoonz

The RTP (return to player) of Reactoonz is 96.51%.

It is also a high volatility slot. This means that you might not land prizes all that often but the wins you do land are likely to be more generous than average.

How To Win on Reactoonz Slot

If Reactoonz operates using the Cluster mechanic. As such, groups of five or more  symbols need to be matched vertically and horizontally to score wins. Matching symbols must be adjacent, either on rows or on reels, and diagonals don't count.

The symbols involved in wins disappear from the reels, in a mechanic variously known as Cascading Reels, Avalanche Reels, Tumbling Reels or just plain Reactions.

Wild Symbols

Represented by a whirl of yellow light, the Wild doesn't just land on the reels, but has to be generated in some way.

With every spin of the reels, you'll see that one randomly-chosen one-eyed symbol is surrounded by a glow of light. If this low-value symbol goes on to make up part of a winning combination, it will generate two Wilds in the spin that follows.

There is also Gargantoon. He can generate Wilds at any time as well, simply by blasting between 4 and 8 of them onto the reels at random.

Bonus Features

Once 25 symbols have been collected in the Meter, the energy stored within it is transferred across to the other side of the reels, where it's collected in the Quantum Meter.

There are four Quantum Leap Reel Modifiers:

  • Implosion: This will transform anything between three and six symbols on the reels into Wild symbols.

  • Alteration: When the Alternation modifier is triggered by the Quantum Meter, the game selects one of the low-value one-eyed alien symbols to change into a different symbol.

  • Demolition: Demolition clears away all of the one-eyed symbols from the reels, as well as all matching symbols.

  • Incision: Incision puts a Wild symbol right at the centre of the grid, and places matching symbols across the diagonal lines, potentially creating winning combinations as it does so.


The Quantum Bonus that all players want to land is the Gargantoon, but he only really comes to life once all the other four bonuses have been completed. And you'll still need to spin up another 25 symbols in the Reactoonz Meter.

If you're lucky enough to spin up Gargantoon, he leaps onto the reels, taking up 3x3 spaces, and acting as a Wild, so he can generate some spectacular wins.

The Gargantoon then divides itself into two separate 2x2 icons, which again can generate some big wins.

Finally, the Gargantoon morphs into nine individual Gargantoon Wilds, giving one last chance to generate some big cash payouts for you.

Instability Bonus

Periodically, following any non-winning spin this bonus will be triggered. Here, Gargantoon will throw between 4 - 8 Wilds onto the reels, in the hope of spinning up some winning combinations for you.

Reactoonz Free Play

You can play Reactoonz slot for free in demo mode here at Slots Temple (see above) or at the Play'n GO website. Reactoonz Free Play is the best way to get to know the game without spending any money.

Overall Review

This online slot is one of the most innovative and unique games released in recent years, so you get to enjoy the cascading reels and other features right from the very first spin. Plus, Reactoonz free play boasts the same great graphics, soundtrack and interstellar bonus rounds.

When it came to individual wins, our biggest was 20x our total wager. This was made possible by the mini bonus features that we were able to trigger on each spin. So, if you're looking for a great online gaming experience that truly offers non-stop action, then Reactoonz from Play n Go is the ideal game for you.

Enjoy Reactoonz? Why Not Try...

Reactoonz is the kind of online slot that will make you want to play even more. So, if you're in the mood for more great slots, here are some of our top suggestions.

  • SugarPop!: This hugely popular BetSoft title offers players a great online gaming experience with all sorts of impressive bonus features. SugarPopSugarPop features a similar match-style format to Reactoonz, as hitting winning combinations makes room for more symbols, and you can hit multiple payouts in a single spin. You can even level up to unlock 12 new bonus features!

  • Power Plant. A Yggdrasil-powered online slot, Power Plant is a unique game with a futuristic space theme. The game provides you with all sorts of chances to win big, and the chain reaction feature is also active. So every spin is an exciting one!

  • Energoonz. If you don't want to stray too far away from the fun and excitement of Reactoonz, Energoonz is the online slot for you. This game is also from Play n Go, and both its theme and format are similar. You're sure to love giving this game a spin if you already enjoy playing Reactoonz.

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

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Reactoonz
Software: Play N Go
RTP: 96.51%
Volatility: High volatility
Paylines: 7
Reels: 7
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £100 (GBP)
Top Win: 4570
Features: Wild Symbol , Multiplier , Free Spins , Expanding Wilds , Clusters , High volatility , 7 Reels , Cascading , Symbol Collection , Colossal Symbols
UK Available in GB? Yes. Play N Go have a UKGC license and are allowed to offer their games at UK licensed casinos.

Reactoonz FAQs

Does Reactoonz have a free spins feature?

There is no standard free spins bonus round in this slot, but the other innovative bonuses more than make up for it. The wilds, multipliers, Quantum Leap and Gargantoon will help give your wins a boost in the most satisfying ways.

How volatile is Reactoonz?

As a highly-volatile online slots game, Reactoonz delivers up huge doses of weird, alien unpredictability.

What is the biggest win available on Reactoonz?

The maximum payout when playing Reactoonz is worth up to 4,750x the player’s stake.

How does the bonus round work in Reactoonz?

Winning symbols are collected in the game’s Reactoonz Meter, to the left-hand side of the reels. Once 25 symbols have been collected, the energy from them is transferred across to the Quantum Meter, where you can trigger special modifiers that boost your winning potential.

What other games would you suggest playing?

There is a sequel to Reactoonz that is perfect for fans of this game. You might also want to try other cluster slots from Play'n GO like Moon Princess and Honey Rush.

Games by Same Maker

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User Reviews
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Overall score: 3.6 out of 5 stars
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P Player1Slots
Big Wins 30/11/2019

This is a great little game, plenty of features and loads of cascading wins. Got at least one win on most spins. Git the instability feature a couple of times and had a few nice payouts. One really good streak of 25 wins with 2 demolitions and an alteration. Recommended.