[Suspense + reasoning + survival + rules + not invincible + not a cool article]
Ren Zhong wakes up and finds himself in a different world, and a multiplayer survival game begins.
In the deep mountains, seven doors with numbers are waiting to be explored. There are challenges hidden behind each door. Only one door is the real exit.
Under multiple rules, who can persist to the end; what kind of secret is hidden in the only empty room; where is the missing ninth person...
