Enemies have invaded your lands. Thousands of tanks and airplanes are ready to battle with you. Wars can not be avoided and you need to clash the alien face to face. Your enemies are not any monkeys - these are professional warriors! Only one side of the conflict will survive. To win you need to become king of TD. Military equipment of your enemy is not a toy. Every battle with your enemy turns into battle royale. You and your enemy have modern equipment: tanks, ships, airplanes, artillery, mines and bombs. You and your enemy have modern equipment: tanks, ships, airplanes, artillery, mines and bombs. Protect & Defense: Tower Zone is a tower defense game that will appeal to both professionals and new players. You expect an interesting gameplay. All weapons and abilities are perfectly balanced. To win, you need to build new towers or update them. You also have the support of artillery, aviation and other bonuses. All towers have different abilities - some can damage few targets at the same time, while others shoot slowly but powerfully. You will have to defend against many aliens using a variety of tactics. In the game you can customize fortifications as you wish. A flexible system for adjusting the level of difficulty will provide an exciting gameplay for any player.