National Destiny: Darkness Invades, I Build the Great Wall

Su Yan traveled through Blue Star and awakened the god-level selection system. Faced with any choice, he can make the best judgment. When Blue Star's resources are on the verge of depletion, the Life Zone has arrived. 197 Players are selected to bind the national destiny to enter the Life Zone, build defense facilities, and protect the city! As long as the defense of the city is successful, the bound country will receive a hundredfold resource reward. While other players are deep in thought. Su Yan already got the answer. Choice 1: Star Destroyer Cannon, level 5 building, lethality of 100,000, recommendation level 43. Choice 2: Self-propelled laser turret, level 4 building, lethality of 60,000, recommendation level 37. Choice 3: The Great Wall, a miracle building, the resources obtained will be permanently increased by 10 times, and the recommendation degree is 99! While other players are still building primitive turrets. Su Yan has already built the Great Wall! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.