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Reactoonz by Play’n GO

For those of you into SF, UFOs, mysterious messages left in lanes and alien-related stories, Reactoonz is the slot that will fit you like a glove. After having gone through some jump-points, flying across the entire galaxy, the adorable little aliens have finally landed on Earth and refuse to leave without meeting their favourite human: you! What are you waiting for? Hop on their spaceship and enjoy a cup of tea with the Gargantoon, the Alien King, while the meter charges and brings you more wins.

Our visitors from outside the galaxy didn’t come empty-handed. They brought a weird-looking meter fuelled by your winning combinations and four Quantum features full of surprises! Some bonuses turn random symbols into wilds, while others can add more wilds or even teleport alien symbols back to the mothership. Let the intergalactic fun begin!

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Reactoonz – What you need to know

Reactoonz really knows how to hype players up with its Instability bonus and its insanely fun Quantum Features. With cute symbols that pay in clusters of at least five connected horizontally and/ or vertically, the game runs on a cascading mechanism. This means that, after the symbols have formed a win, they are removed from the screen, while new ones drop in to fill the empty positions.


  • Progressive Quantum Features
  • 3D graphics
  • Above average RTP of 96.51%
  • Decent max win of 4,570x your stake


  • No Scatter symbol
  • May seem too complicated for new players

Reactoonz – Theme and Background

The alien-theme in Reactoonz puts the visitor symbols that come in many shapes and forms in the spotlight. The high-tech winning device developed by the aliens seems to be the core of this online slot. I assume this is the case because it stretches across the entire screen, linking the grid, the features queue, the charger, and the Gargantoon. The mission sent by the aliens is clear: turn on the machine and charge the meter for more wins!

The provider found the right balance between cute and outer-space design when building this game. The funky soundtrack with a hint of extra-terrestrial notes goes hand in hand with the symbols represented by charming aliens. The payouts are also notable, ranging from 3x to 750x the bet for a cluster of 15+ symbols. Moreover, the game pays for smaller clusters, of 5, 6, 7, 8, 9, 10+, and 12+ symbols, offering prizes of up to 1x, 2x, 3x, 5x, 8x, 20x, and 50x your stake.

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Reactoonz – Gameplay

The Reactoonz slot comes in a 7×7 format and a cluster mechanics that refreshes the grid with new symbols after each winning spin. The aliens’ machine also comes equipped with a high volatility, and an RTP of 96.51%, bets ranging from 0.20 to 100 per spin.

What’s more, you can play Reactoonz on any kind of device, from your mobile to your tablet or your PC. It will work perfectly regardless of your choice.

As many movies have shown us, the arrival of the aliens brings chaos and uncertainty, and this videoslot is no exception. Through its Instability feature, the Gargantoon can drop between four and eight wild symbols, creating riots on the grid. The symbols will try to restore the balance by taking advantage of the confusion, seeking to connect with their peers.

The other two surprises in this online slot are the evolving symbols and the one-eyed ones. Similar to how Pokemons evolve, becoming stronger and more powerful, the symbols in Reactoonz form squares that automatically turn into a Giantoonz with a 2x multiplier attached. Also, in every spin, an alien with one eye is randomly marked as a fluctuating symbol, which means that, if it forms a winning combination, it will leave two wild symbols behind. The one-eyed aliens couldn’t have given you a nicer present, as the wilds can replace all the other symbols.

Reactoonz – Bonus Features

Reactoonz doesn’t have a free games feature. However, you won’t miss the free spins when there is a Quantum Leap round tied to the gameplay. The Quantum meter charges with every winning combination, triggering a random Quantum feature after you’ve collected 25 symbols. There are four features available. Once activated, the features are added to the queue on the left side of the screen:

  • Implosion – between three and six symbols are transformed into wilds, while the nearby ones are destroyed
  • Incision – drops a wild symbol in the middle of the screen and creates two intersecting diagonal lines filled with the same randomly chosen symbol
  • Demolition – all one-eyed and matching symbols are blown up
  • Alteration – the game selects all instances of a one-eyed symbol and transforms them into a new one

To reach the final level of your Quantum journey and meet the King, you need to collect winning combos and fill the meter five times.

Once summoned, the Gargantoon moves carelessly on the reels after each refill of the grid, becoming smaller and smaller with every spin. It lands as one 3×3 wild in the first round, turning into two 2×2 ones and, lastly, into nine normal-sized wild symbols. The reels are quickly loaded with new symbols before the Gargantoon makes his next move.

The bonus round in the Reactoonz slot ends when all features have been activated, or when there are no more winning combinations on the screen.

Reactoonz – My verdict

Fun, engaging, and packed with top video and audio effects, the Reactoonz slot welcomes you into the intriguing, yet fantastic world of the cute aliens. The features go on and on as you fill the five available spaces of the charger.

The bonus round adds more mystery to the videoslot as one can’t predict what surprises will the next feature bring. The key to leaving the aliens with your pocket full of gold (or any other currency available on their planet) is to fill the meter with winning symbols as fast as you can. Overall, in my opinion, Play’n GO has done a great job, Reactoonz being one of the finest cluster slots in their portfolio.

If you like our Reactoonz slot review then you should read the following:

Reactoonz 2- Slot Review

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