Surviving Underground: People Are in the Center of the Earth and Have Just Bought the Land

All human beings traveled across time and came to the inner world of the earth, digging in the ground to survive! Bai Su awakens the Monopoly system, throw the dice and buy land to become stronger! While everyone is climbing up, he is preparing to dig into the center of the earth, build a kingdom in the center of the earth, accumulate strength, and soar into the sky! Ding, get a small nuclear fusion reactor! Ding, get super alloy! Ding, get the planetary engine design drawing! Ding, the curvature engine was successfully created! ... When others struggled to dig out the surface, they saw neat starships in the sky... "Hey, are you finally out?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.