Looking for a Survival Game Novel 求一本求生游戏副本文

Looking for books similar to "Survival Game: Stocking Up, One Haul at a Time". I read half of it but didn't save it, and now I can't find it on my new phone. I only remember a few stages: one where they had to escape a city or die, and another where they hid underground during a heat wave. Later, the heat wave destroys the world. It was a game...