A gamer suggest to throw the big bomb just over the first little ramp and goes right on the edge of the vertical bar then it will throw it just far enough to nock over the tower and kill them all.
Crush the Castle is first part of Crush the Castle series aim and shoot style physics-based puzzle game. The King has ordered you to crush all resistance in order for his kingdom to survive. Crush castle after castle by wiping out all of it's inhabitants with a powerful trebuchet and an arsenal of 8 different projectiles.
While it is more pleasant and rewarding to finish the game by yourself, if things get terribly wrong, here are some simple Crush the Castle tips and tricks, as well as a complete walkthrough shared by Unigamesity to help you through.