Bubble Shooter Gold Mining

It is a classical bubble shooter game; mine the gold hidden among the bubbles. There will be 60 challenging levels. In each level you will find a different challenge with 'different type of bubbles and power ups'. To complete a level you must mine all the gold pieces appearing among the bubbles. Shoot the bubble on the board to make groups of 3 or more bubbles of the same color. You must complete a level within allowed time. You will get better score if you complete the level early.