

Overview: High-Energy Cluster Slot with Mega Multipliers Reactoonz by Play'n GO is a thrilling 7×7 grid slot built on cascading wins and electrifying energy meters. Since its release, this sci-fi themed game has become a fan favorite thanks to its engaging visuals, layered bonus features, and the massive win potential delivered through its quirky alien symbols.
With no traditional paylines, wins are created through clusters of 5 or more matching symbols. And with each win clearing space for new ones to drop, Reactoonz keeps the pace fast and the rewards flowing.
Game Details & Mechanics Reels/Rows: 7×7 grid Paylines: Cluster Pays (match 5+ adjacent symbols) RTP: 96.51% Volatility: High Max Win: 4,570x stake Bet Range: From CHF 0.20 (varies by site) Developer: Play'n GO
Reactoonz offers a highly volatile gaming experience, meaning that while wins may be less frequent, they can be explosive when the right features align — especially during the Quantum Leap and Gargantoon bonuses.
Sci-Fi Alien Theme – Bright, Bold, and Fun Set in a high-tech alien lab, Reactoonz is loaded with personality. The grid is filled with animated alien symbols that blink, chatter, and react to every spin. Key design features:
Even years after its launch, Reactoonz remains visually sharp, immersive, and optimized for both desktop and mobile gameplay.
Max win:
The top win available in Reactoonz reaches up to 4,570 times your stake. Its sequel, Reactoonz 2, offers a slightly larger max payout of just over 5,000x. For even greater win potential, Dr Toonz boasts a massive max win of up to 22,000x your bet
Bonus Features – Quantum Leaps and the Gargantoon Reactoonz is packed with features that activate as you collect wins and charge up the Quantum Meter. Each meter trigger unleashes one of four modifiers:
Charge all four modifiers, and the game triggers Gargantoon Fashion:
Each spin also highlights a random one-eyed symbol. If it helps form a win, it generates two extra wilds on the grid.
Symbols & Payouts High-paying symbols: Pink, Green, Orange, and Blue two-eyed aliens Low-paying symbols: Four differently colored one-eyed aliens Wild: Glowing Orb (substitutes all symbols)
Cluster Payout Highlights:
Winning clusters trigger cascades that may lead to further wins and modifiers.
Mobile & Desktop Experience Reactoonz is fully responsive and built in HTML5, delivering smooth gameplay across all devices. Whether playing on Android, iOS, or desktop, you get vibrant animations, quick spins, and full control over sound and speed settings.
Who Should Play Reactoonz? Best for:
Final Verdict – Reactoonz (Play'n GO) Reactoonz has earned its reputation as one of Play'n GO's most innovative and engaging slots. With fast-paced cascading wins, wild features, and the epic Gargantoon mode, every spin feels like a charged-up opportunity for big payouts.
If you're looking for an offbeat, high-energy slot that breaks away from traditional formats while still delivering strong win potential, Reactoonz is absolutely worth your time.
Play Reactoonz at our recommended Swiss online casinos and see if you can summon the mighty Gargantoon for out-of-this-world wins.