In this game, you will play the role of a surveillance gunner, facing different level scenarios where you need to construct and develop reasonable tower defense mechanisms based on the enemy's predetermined invasion route. At the same time, you also need to control the movement of characters and use effective positions to eliminate a continuous stream of invading enemies. By making strategic decisions and precise shooting, you can try your best to prevent enemies from invading the fortress. You can only achieve victory in the game until you eliminate all enemies and prevent the fortress from being captured. Come and challenge this game full of strategy and shooting, showcase your tactical thinking and shooting skills, defend the fortress, and guard victory!