Wasteland for All: I Build an Underground Fortress

"This newspaper's Shanghai Stock Exchange, June 25: UFOs entered the solar system..." A mysterious flying object arrives, and everyone travels through the wasteland world, trapped in a dilemma of death! Deadly eternal night, strange poisonous rain, extremely cold storm, desperate pollution... Natural disasters occur frequently and no one is spared. Survival and development become the main theme! Only by building shelters can we withstand successive attacks of destruction. Fortunately, Luo Yuan awakened the doomsday construction system, Build the shelter into an impeccable underground fortress step by step! [Wood Board]-[Stone Gate]-[Iron Gate]-... [Ventilation]-[External circulation]-[Double circulation]-...... [Rudimentary Shelter] - [Wooden Shelter] - [Stone Shelter] -... While others are still struggling, he has begun to enjoy life, Sitting on the fortress, looking at the wasteland! "What? The monster can't even enter Brother Luo's door?" "Have you heard? Boss Luo seems to be installing air conditioners!" "What's the difference between Luo Shen's refuge and a military fortress?"