Professor Bubble needs your help! In his excitement over his new bubble machine, he has flooded his own laboratory with bubbles. You’ve been equipped with a bubble shooter to help clear the mess, but there is something you need to know. These bubbles will only pop if they are clustered into groups of three or more. So lineup every shot perfectly, and pay attention to the colors! Professor Bubble, bubble shooter game, match 3 puzzle, online game, bubble game, matching game, match-3 game, bubble popping, puzzle game, arcade game, free online game