Dr. Bubble is a classic bubble-shooting game with a very simple concept. You just need to clear the board by shooting the bubbles. There are no other rules. It is very easy to play. There are different modes, such as Classic Mode and Extreme Mode. In Classic Mode, you will have to clear the board by shooting at least three bubbles in the same spot. In Extreme Mode, you will be required to clear the board by shooting as many bubbles as you can in one spot. You will be given a limited amount of shots. If you miss the shot, you will lose the game.

The gameplay is very simple and easy to understand. There are no rules and no limits. You can play the game with friends and family. It is very easy to play and can be enjoyed by all age groups.