This is a casual game, very easy to operate. You need to destroy the building by 70% and you won. In the store, you have 4 balls. But beware of the orange blocks. If you get into them then your ball will break and you lose. Your support and feedback are very welcome. Google play: https://play.google.com/store/apps/details?id=com.rockdevels.castledestroyer Video Gameplay:
