Reactoonz launched on October 24, 2017 and remains one of the most iconic cluster-pays slots on the market. A colorful cartoon-alien universe, a 7x7 grid running on cluster mechanics (5+ matching symbols required to pay), and a 96.51% RTP that sits at the top of Play'n GO's portfolio.
TL;DR
- Play'n GO slot, October 2017, 7x7 cluster pays format. RTP 96.51% (degraded versions range 84.51%-96.51% ⚠️).
- Very high volatility (10/10), max win 4,570x.
- Cascading wins + 4 Quantum modifiers (Implosion/Demolition/Incision/Alteration) + a 3x3 Gargantoon wild that splits on every cascade + Giantoonz x2 multipliers.
- No bonus buy. Min bet €0.20.
Gargantoon — the signature mechanic
The Gargantoon is a 3x3 wild that lands randomly. How it behaves:
- Lands on 9 positions (a stacked 3x3 block)
- Moves across the grid on every cascade
- And splits into smaller wilds (2x2, then 1x1)
- Multiple simultaneous Gargantoons create massive overlapping combinations
This is the signature mechanic that makes every Reactoonz session feel different.
The 4 Quantum modifiers
During cascades, 4 modifiers trigger automatically (at random):
- Implosion: turns low symbols into premium symbols
- Demolition: destroys every low symbol
- Incision: adds a cross of wilds
- Alteration: turns every symbol of one type into another
Combined with the Gargantoon and Giantoonz multipliers, this is the path to the 4,570x max win.
96.51% RTP — top of Play'n GO's portfolio
| Play'n GO slot | Official RTP |
|---|---|
| Reactoonz | 96.51% 🏆 |
| Book of Dead | 96.21% |
| Moon Princess | 94.51% |
⚠️ Degraded versions run 84.51%-96.51% depending on the casino — always check via the in-game 'i' button.
Top 5 casinos
🟢 SpinAura — #1 pick, 9.2/10
💎 BetRiviera — 8-minute withdrawals
🐝 HunnyPlay — Crypto-native
🔵 BigClash — Integrated sportsbook
🎰 MonacoJack — Premium pick
FAQ
What is Reactoonz's RTP?
Official RTP: 96.51% — the top of Play'n GO's portfolio. Degraded versions run 84.51%-96.51% depending on the casino.
How does the Gargantoon work?
A 3x3 wild that appears randomly. On every cascade, it moves across the grid and splits into smaller wilds (2x2 → 1x1). A mechanic unique to this title in the portfolio.
Is Reactoonz available at real-money casinos?
Yes, at most of the top-rated casinos in our comparison that carry Play'n GO's catalog.
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