Diamond Mine (Bloons 2)

 is the 10th level in the Bloon Dunes zone in Bloons 2, and overall 22nd level in the game.

Strategy
Simply try to accurately hit each of the Tack Bloons. To make this level easier, use the Max Power setting and hit the most difficult Tack Bloons one by one. To complete this level without Unlimited Darts, make sure one of the darts hit two Tack Bloons at the same shot.