Our strategy for Angry Birds Seasons Haunted Hogs level 2-12 is to fire the Pink bird through the leftmost pig, triggering bubbles to lift the next pig to its doom. Fire along the same trajectory, through the medium pig dead-center and onward to the two rightmost pigs. The bubbles should pop them, and cause a lot of damage to the main pile. One more to grab the last pig and kill off most of the pile. The score in the video is 77,990.