Many different creatures are coming to attack the castle. The crazy engineer has to defend the castle by responding with the weapons he has developed. You need to earn more gold to help the engineer. You can improve the castle and weapons with the gold you earn. You can also recruit the engineer's brothers to the task. castle defense,tower defense,strategy game,adventure game,defense,weapons,gold,upgrade,engineer,brothers,action,adventure,tower defense,strategy,mouse control,gold earning,castle survival