Here is our Angry Birds Star Wars walkthrough video that will help you unlock the Block Buster Achievement. We believe the easiest level for this achievement is found Boba Fett Missions level B-1. If you have a different method for obtaining this that you think is easier feel free to leave a comment below explaining your strategy.
The general steps for obtaining the achievement are as follows: Toss Obi-Wan to hit the top of Boba Fett’s helmet, rotating him clockwise. Immediately after impact, use Obi-Wan’s Force to push Boba Fett downward, maybe slightly backwards. The trick is getting Boba Fett to match the incline of the rightmost tower, which will guarantee a large amount of destruction.