Mad professor Thomas is once again conducting experiments in his secret laboratory. An unsuccessful attempt to mix different chemicals caused an explosion and balls filled with poison gas appeared in the air. Gradually they fill the room. You in the game Professor Bubble Shooter will have to help the scientist get rid of them. For this, our hero will use a special cannon that will fire single charges. You will need to find a cluster of bubbles of the same color and release a charge of exactly the same color through them. Thus, you will destroy them and get points for it.