Crush the Castle for iOS (iPhone/iPad)
Jun 08, 2009· Wood-Best in the middle, away from the force and at the center, where it can best hold things together. Brick-this one depends how many layers there is. Using it's strengths/weaknesses mentioned above, you decide. Metal-Best on the outside. prevents the castle from caving in, and other materials don't need to rely on it holding them together.