How do you play Chain Reaction?

Click on empty cells or your own cells to add orbs. When a cell reaches its critical mass (corners=2, edges=3, center=4), it explodes and spreads to adjacent cells, capturing them for you. The last player with orbs on the board wins!

Can I play Chain Reaction online with friends?

Yes! Click 'Play Online' to either auto-match with random players or create a private room with a 4-digit code to share with friends.

Is Chain Reaction free to play?

Yes, Chain Reaction is completely free to play with no downloads, no ads, and no in-app purchases required.

How many players can play Chain Reaction?

Chain Reaction supports 2 to 6 players in local multiplayer mode. Online mode currently supports 2 players.

Chain Reaction - Free Online Multiplayer Strategy Game

How to Play Chain Reaction

Chain Reaction is a strategic multiplayer board game where players take turns placing orbs on a grid. The objective is to eliminate all opponents by capturing their cells through chain reactions.

Game Rules

Click on an empty cell or one of your own cells to place an orb
Each cell has a critical mass: corners (2), edges (3), center (4)
When a cell reaches critical mass, it explodes and spreads to adjacent cells
Explosions capture enemy cells and can trigger chain reactions
The last player with orbs remaining wins the game

Game Modes

Local Multiplayer: Play with 2-6 players on the same device
vs AI: Challenge our intelligent AI opponent
Online: Play with friends or random opponents online