Clicking anywhere on the screen sparks an explosion, the resulting blast affects nearby molecules and can start exciting chain reactions.
Clicking on different spots triggers explosions that send molecules launching in all directions. No extra buttons or toggles are stated.
Quick observation is key. Timing your click for maximum impact is better then just clicking randomly.
Q: Is Chain Reaction free to play? A: Yes, it is free on CrazyGames.
Q: What are the controls? A: Clicking on the screen to trigger explosions.
Q: What is the objective? A: Increase the score by capturing molecules.
Q: What is the main mechanic? A: Clicking to trigger explosions that affect nearby molecules.