Chain Reaction

Contains adsIn-app purchases
210K reviews
Content rating
Everyone
10M+
Downloads
Content rating
Everyone
Learn more
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About this game

A strategy game for 2 to 8 players.

The objective of Chain Reaction is to take control of the board by eliminating your opponents' orbs.

Players take it in turns to place their orbs in a cell. Once a cell has reached critical mass the orbs explode into the surrounding cells adding an extra orb and claiming the cell for the player. A player may only place their orbs in a blank cell or a cell that contains orbs of their own colour. As soon as a player looses all their orbs they are out of the game.

Game features both HD modes for larger (Pad) screens and the regular mode for all devices.

Each player can customise the colour & sounds of their orbs. A player can also turn tactile feedback (vibration) on and off.

I hope you have as much fun playing this as I have coding it.

-Matt :)
Download now! Defeat your mates in this explosive strategy game for 2-8 Players.
Updated on
Nov 9, 2026
Available on
Android, Windows

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info, Financial info and 3 others
  • This app may collect these data types
    Personal info, Financial info and 3 others
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

200K reviews
Mcneil Cardos
November 2, 2026
I liked this game before so 4 stars but it hasn't improved that much even degraded since in my phone a side of the grid is gone in either 3d or 2d mode. The updates for the theme hasn't helped with the enhancement of the gameplay and graphics just makes it more of an eyesore. this game probably will be good if it's added a zoom function and the theme is gone and only animation additional for the reaction. All graphic problems can be addressed using a graphic or resolution adjuster.
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A Google user
December 7, 2018
Hey Devs. good job creating this game, but I have a request, it would be better if we can see the percentage of our color balls(I don't know what it is) and please add a different map other than rectangle, other shapes would be great like octagon etc. And this game would be way more fun if you could make it up to 10 players and it would be great if we can play with other players worldwide. Thats all, thank you.
600 people found this review helpful
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App Holdings
February 11, 2026
Thanks for the review! Ads help keep the game free — we’re working to keep them as unobtrusive as possible.
Jerald Panal (JP)
June 11, 2022
I love the game, though there are some instances that the orb I intend to click doesn't get cliked but the adjacent orb instead. Also, I have a VERY GOOD suggestion for the game. This game is good to be played WITH other people, and that's a problem. Most of the time, a person is actually alone, and what if that person is itching to play the game but has no one to play it with? I suggest that you install a computer player as an opponent for anyone who is alone and put levels of the difficulty.
490 people found this review helpful
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App Holdings
February 11, 2026
Thanks for the review! The classic click/pop sound is back in recent updates — please update to get it. Ads help keep the game free — we’re working to keep them as unobtrusive as possible.

What’s new

Chain Reaction has a brand-new look! Glossy glowing orbs, sparks on every explosion, a chain counter, a fresh menu and a new Settings screen. Prefer the original game screen? Settings > Look > Classic. On a slower phone, Effects > Reduced keeps it light (Auto picks for you). Also fixed: a rare crash with banner ads, a freeze when opening a game right after launch, and a game reset after two quick screen changes.