Pig Bang M1-1 is the first level in Pig Bang Mirror Worlds Version and Angry Birds Space. You must get 3 stars at the normal level to unlock this version.
This level is a little harder than the normal one because there are more pigs than the regular level.
The three-star strategy is to throw the first bird at Hekto Porko to pop his spaceship. The spaceship will fall to one of the four wood structures and pop a pig. Throw the second bird to the gravity field to pop the three pigs remaining by waiting for him to flies in a circle.