All of us with you went to school and studied there such science as chemistry. Today in the game Chain reaction, we will be able to update your knowledge in this science. We will experience with you various types of chemical reactions in which the smallest particles such as atoms can enter. Before you on the screen you will see atoms of different colors that randomly fly around the game field at different speeds and at different angles. That they would be connected together you just need to click on the screen in a certain place, and you will see a growing ball. He will absorb the particles and take a certain color. You will need to click a few times to build a line from such balls here.