Reactoonz Slot Logo Pay By Mobile Slots

Reactoonz is an exciting cascading slot game developed by Play'n GO. This slot has an RTP of 94.49%, as well as a range of bonus features to potentially trigger, including Quantum features, the Gargantoon feature, and more. 

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Reactoonz Slot Game Overview

Reactoonz is an alien-themed slot game with the reels set in front of a vast expanse of space. It features a 7x7 grid layout, and the symbols that may land on the grid are different quirky aliens.

This slot uses a Cluster Pays mechanic rather than typical paylines or ways to win. This, combined with the fact that winning symbols are removed and new symbols drop in to fill the gaps, there's the potential to land multiple consecutive wins from a single base game spin.

The Reactoonz slot game can be played online here at Pay By Mobile Slots for bets starting from £0.20 a spin.

How To Play Reactoonz

To get started on the Reactoonz slot game, you first need to place your wager. Use the +/- buttons to adjust the bet amount. Available options go from a minimum of £0.20 up to a maximum of £5.00. 

After deciding on your stake amount, you can click the Spin button to start playing.

To form a win, 5 or more matching symbols have to land in a cluster, meaning they are adjacent to each other horizontally and/or vertically. If a winning cluster is formed, the winning symbols are removed, and new symbols drop in to fill the grid, potentially leading to multiple successive wins.

Features & Symbols

Reactoonz is packed with features and symbols that enhance the gameplay and offer more opportunities to win. Here's an overview of the key features and symbols you'll encounter:

Cascading Wins

Reactoonz utilizes a cascading wins mechanic, where winning symbols are removed from the grid, and new symbols drop in to fill the empty spaces. This creates the potential for consecutive wins in a single game round.

Instability Feature

On any non-winning spin, there is a chance for the Gargantoon to drop 4 to 8 wild symbols onto the grid. 

Quantum Leap Charge Meters

The 5 Quantum Leap charge meters play a crucial role in Reactoonz. Each win during a game round contributes to charging these meters. If a meter is fully charged, a random quantum feature is added to the queue, bringing exciting bonuses and potential wins.

Quantum Features

The quantum features in Reactoonz trigger if no more cascades are possible and there are queued quantum features. 

The quantum features include:

  • Implosion: Transforms 3 to 6 symbols into wild symbols while destroying adjacent symbols.
  • Alteration: Turns all instances of a randomly chosen symbol into another symbol.
  • Demolition: Destroys all one-eyed symbols and matching symbols.
  • Incision: Cuts a wild symbol into the centre, creating two intersecting diagonal lines with the same random symbol.

Gargantoon Feature

If all 5 charge meters are fully charged, the Gargantoon feature is triggered. The Gargantoon adds a large 3x3-sized wild symbol to the grid, which transforms into smaller wild symbols if no more cascades are possible (2x2-sized, then 1x1-sized). 

Wild Symbols

Wild symbols in Reactoonz substitute for all normal symbols, possibly helping to form winning combinations. They play a key role in several features, including the Incision and Gargantoon features.


Landing 4 matching normal symbols adjacent to each other in a square shape creates Giantoonz. Giantoonz double the wins in any winning combinations they are a part of.

Fluctuating Symbols

In every spin, one random one-eyed symbol is marked as a fluctuating symbol. If any marked symbols are part of a winning combination, they leave 2 wild symbols behind. 

Paylines & Ways To Win

Reactoonz does not follow traditional paylines. Instead, wins are achieved by forming clusters of 5 or more symbols that touch each other horizontally and/or vertically. If multiple clusters are won in a single game round, all winnings are added together. Only the highest win per winning symbol combination is paid out at the end of a game round.

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*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.