Danger Zone D-6 is the sixth level in Danger Zone. The objective of level D-6 is to use the birds to eliminate all the pigs. Get at least 82,000 points for 3 stars.
Target score is rather high and the fortress is rather tough to destroyed by the beside planet.
Send the Lazer Bird downward, pushing two large asteroids onto the TNT below. After detonation, the asteroids will push the structure into the gravitational field. If necessary, use another Lazer Bird to clear.