Chain Reaction

Contains adsIn-app purchases
3.7
209K reviews
10M+
Downloads
Content rating
Everyone
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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 :)
Updated on
Mar 22, 2026

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

3.7
198K reviews
Sripal
January 9, 2025
This is a great game for passing time with friends, with up to 8 players. The rules take about 2 minutes to understand, but you could play this game for days. The only problem is the hitboxes, which are really annoying when trying to hit a combo. The grid makes it confusing as to where you actually have to click, therefore registering some false info, which can derail the game in a sticky situation. It gets really annoying.
18 people found this review helpful
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App Holdings
February 18, 2026
Thanks for the feedback! We’ve improved touch accuracy in recent updates — please update and try again. The classic click/pop sound is back in recent updates — please update to get it. If it still happens after updating, email feedback@appholdings.org with device model + Android version + screenshot.
Havilah Moroe
March 18, 2026
The game is dang addictive! but I can't give it 5 stars because the online multiplayer has problems, I always get disconnected for no reason, and if there's a network disconnection for even a nano second you get disconnected from the match, please fix that, make it retry to connect like 2-3 times before disconnecting completely, and also maybe add some way to communicate with others? they gotta know I'm teabagging them behind the screen.
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App Holdings
March 19, 2026
Thanks, and agreed: brief network drops should not kick you out that aggressively. I'm tracking multiplayer stability and tightening reconnect handling. If this still happens on the latest build, please email feedback@appholdings.org with your device, Android version, and the rough match time so I can trace it.
DHANRAJ MALADKAR
March 1, 2026
This was to be the most fun game to play in groups or duo or with anyone but the latest features are not working properly. Their is a mode of online multiplayer to play with friends but we are able to get in the room the error comes as room not found or if we get joined then again error comes like the other player might have disconnected even tho they didn't please fix this.
1 person found this review helpful
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App Holdings
March 1, 2026
Thanks for reporting this. Online Multiplayer should work on the latest build (v3.11.4). Please update and try again. If you still get ‘room not found’ or disconnects, email feedback@appholdings.org with your device + Android version + whether you were on Wi‑Fi/cellular and the room code + approximate time so we can investigate.

What’s new

Hotfix: removed main-menu interstitial preload and simplified startup fallback for stability.