Travel Around the World and Sign in from the Shelter

The whole world travels to a world full of dangers. Everyone has an initial shelter. Not only are there supplies necessary for survival in the distance, but there are also mutants hidden in the dark. Upgrade yourself and the shelter and try to survive. When he woke up, Xiao Chuan found that he had awakened the sign-in system. Sign in for one day and get a broad-bladed sword. Sign in for one month and get 100 cans of cans and 100 bottles of water. Sign in for one year and get an automatic machine gun turret. … While others are still struggling to survive, Xiao Chuan has upgraded the shelter into a steel fortress. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.