Start a reaction by clicking anywhere near a bubble. The bubbles will pop nearby bubbles, starting a chain reaction. You only have one click to pop enough bubbles to complete the level. There are 40 levels total. As you pop bubbles, candies will fall. Move your mouse over them to collect them. The candies can be used to purchase upgrades. Use various bombs to get a more powerful reaction. Earns stars by completing levels. More stars are earned by clearing more bubbles - The third star is earned by clearing 100% of the bubbles. There are also many achievements to earn for scoring points, popping bubbles, making combos and more.
Click: Start Reaction