The objective of Chain Reaction is to take control of the board by eliminating your opponents' orbs. Player will put orbs in grid, after reaching the limit of orbs in grid, It will blast and will spread in near by grids. and make them in own color. when player loses their all balls, they will out from game, and last one with all same colors orbs will win the game Chain Reaction can be played as single player or multi-player game. from 1 to 8, you can select no of player. It has two levels , Small and Large you can select number of players.