Dolphin Pop Game OnlinePlay Dolphin Pop online at Infofully. If you have played Marble Line game, then you know it how to play. In this match 3 game, you will shoot the ball towards balls string to remove them. You need to make a set of at least 3 or more same colored balls to remove them. However, you can change the color of the ball which you will shoot. Play this game in muted mode. You may also like The Successful Experiment Game. Playing Method and Controls: Move the dolphin with the movement of the mouse and click the button to shoot the ball. Space-bar is to change the color of the ball. Remove all the balls from game screen by making a set of 3 or more balls before they reach the exit hole.