Here is our strategy for Angry Birds Free Ham ’em High level 12-4. Loft a Yellow bird and accelerate through the middle structure. With a little luck (see method #2), you can detonate the central TNT and clear the level with a single bird. Otherwise, fire a Yellow bird into the top of the first stone tower and detonate the TNT beyond. The score in the video below is 81,260.
Method #2 yields 87,950 using one bird, which is just about the same as the method above. It took me about 10 tries to do this level similar to the walkthroughs. The big stone triangle in the middle kept getting stuck between the two long support boards, so be sure to take the one on the left out first.
91k – 1 birdie – 5 out of 100 chance
1. shoot chuck high so that he goes through the horizontal wood under the stone triangle and hope that the triangle comes down and breaks the glass to make the TNT explode and kill all the pigs but you might miss 1 or 2 pigs.
High arc Yellow Bird so it comes down on the left side of the horizontal plank. It hits at the intersection of the four wood pieces on the left end. YB breaks the long vertical plank below. This did not alway activate the tnt but did so on a more frequent basis.
The challenge on this level was the stone pile on the left side. Activating the tnt did not always guarantee the stones to fall.