• Min stake: 20p
  • Max stake: £100
  • Max payout: £250,000
  • Jackpot: No
  • Paylines: Cluster pays
  • Special features: Implosion, Alteration, Demolition, Incision.


Brace yourself and get ready for an intergalactic adventure with the energetic extra-terrestrials of Reactoonz. Loaded with action-packed features, this unique 7x7 matching symbols mechanic gives an exciting new take on more classic online casino games.

Want to win? Just match a cluster of five or more aliens of the same type. Easy right? Aliens in winning clusters will be instantly teleported off the grid, making more space for new fun faces to appear. And to aid your adventure, you can blast across the grid with four ferocious features, including Implosion, Alteration, Demolition and Incision, that can all change the state of play in a big way. Ready to join the action?

Enjoyed playing Reactoonz? Check out our full collection of online slots and games, including some epic Grosvenor Originals.

Bonus features

Free Spins

Land 4 or more AMPHITHEATRE symbols to trigger the Free Spins feature. Spin the wheels to be awarded a number of free spins and the curtain configuration for the feature. Free spins use the same awards as the triggering game. Wheel awards 6, 8, 10, 12, 14 or 16 free spins on 4 or more scatters triggered. Curtain configurations are randomly selected to appear on the first wheel.


Free Spins Bonus

Land 3 or more AMPHITHEATRE symbols during the Free Spins feature to be awarded the same number of free spins awarded at the start of the feature. The curtain configuration remains the same as the configuration awarded at the start of the feature. The Free Spins feature plays automatically. The feature ends when there are no free spins remaining, or the maximum win amount is achieved. Any WILD symbol that lands on an active part of the main reels will expand to fill the entire reel. As a WILD symbol expands, the curtain will return to the original position after each free spin. The curtain configuration will return to the original position after each free spin. Winning combinations will then be evaluated.


For information on symbols and base game instructions, please see in-game help menu.

Malfunction voids all plays and pay. RTP = 96.51%