Global Survival: Mysterious Grand Prize for Signing in at the Start

Upon waking up, the surrounding environment has changed drastically, and humans around the world have received survival manuals. Wang Hao found that he was bound to a sign-in system at the beginning. Daily sign-in, monthly sign-in, annual sign-in, and holiday sign-in can be performed. Mysterious grand prize for signing in at the beginning. The next day I signed in with a treasure hunter rat. On the third day, I signed in the diamond-level wooden house drawings. … An ultimate gift package for signing in on the nth day. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.