Play'n GO
4.4
Reactoonz 2
Play'n GO
Reactoonz 2
Reactoonz 2 keeps the 7x7 cluster board but adds a Fluctometer layer, so the feature chase feels more active and less dependent on one meter.
RTP 96.20%High5,083x bet
GreatSlots review · Play'n GO · 2017
Reactoonz Review
Reactoonz looks playful, but the structure underneath is disciplined. Clusters clear space, new aliens fall in, and every winning step feeds the Quantumeter until the oversized Gargantoon wild finally lands.
Play'n GO
4.5
Reactoonz
RTP 96.51%High4,570x betSci-fi creatures7x7 grid
GreatSlots score
4.5/5
Best for
players who like cluster wins and meter-driven features
A strong grid-slot benchmark for players who want cascading cluster wins without a separate free-spin round.
GreatSlots quick summary
Reactoonz remains one of Play'n GO's cleanest grid slots because cluster wins, cascading aliens, and the Gargantoon meter all point toward the same feature loop.
How the slot works
Reactoonz pays through clusters rather than lines. Match enough aliens anywhere on the 7x7 grid, clear them away, and let new symbols drop in. Each cascade can extend the same paid spin and feed the feature meter.
The Quantumeter is the central pressure point. Partial charges can add wild support, while a full charge drops Gargantoon onto the board as a large wild block. That gives Reactoonz its identity: not a free-spin chase, but a meter chase.
Bonus features
- Clusters of five or more matching aliens pay and then clear from the grid.
- Winning clusters feed the Quantumeter, which can add Energoon wilds before the main feature lands.
- A full Quantumeter releases the 3x3 Gargantoon wild, creating the slot's biggest board swings.
Pros
- +Cluster and meter logic is easy to understand after a short session.
- +Gargantoon feature gives the game a clear target.
- +The 7x7 grid stays readable despite frequent cascades.
Cons
- -No traditional free-spin round if that is what you prefer.
- -The cute presentation can hide a sharper volatility profile.
- -Base rounds can feel repetitive when the meter stalls.
Who this slot is for
Reactoonz suits players who like visible progression and want a slot where every cascade feels connected to the main feature. It also works well as a first serious grid-slot review because the rules are compact.
It is less suitable for players who want line wins, bonus spins, or a calmer curve. The game is readable, but it can still swing hard around the meter.
Mobile play
The mobile version works well because the alien symbols are distinct, the meter is prominent, and clusters are easy to spot even on a smaller grid.
Similar slots
4.4
FAQ
Does Reactoonz have free spins?
No. Its main feature is the Quantumeter and Gargantoon wild sequence rather than a separate free-spin round.
How do wins work in Reactoonz?
Wins come from clusters of five or more matching symbols anywhere on the 7x7 grid.
What is Gargantoon in Reactoonz?
Gargantoon is the large wild feature released when the Quantumeter is fully charged.