A casual game with a content type of tower defense. In the game, players will enter a challenging tower defense world. Enemies will continue to emerge, and players must purchase and synthesize various turrets below. Drag the turret to the appropriate position and arrange the defense line to resist the enemy's fierce attack. As long as all enemies in this level are successfully eliminated, players can win the challenge. However, if the enemy breaks through the defense line and enters the base in the lower right corner, the challenge will be declared a failure