MTL - I Have a Time Travel Simulator - Chapter 441

In the wake of the apocalypse, betrayal doesn't just stab you in the back—it bites. Zorvax learned this the hard way. Abandoned by those he trusted, he didn't just become another number in the legion of the undead. No, his fate was far more peculiar.“I thought death was the end... I was wrong,” Zorvax mutters, his voice a gravelly echo of his former self. He's a zombie, but with a twist—he's got his human mind intact. Trapped in a decaying body with an insatiable hunger, Zorvax finds himself in a gruesome predicament that's just the beginning of his ordeal.Enter the 'Zombolution System,' a mysterious power he awakens that's as cryptic as it is potent. “They wanted a monster? I'll show them the true meaning of terror,”Zorvax boasts, with a smirk only a sentient zombie could muster. This dark gift is his ticket to ascend beyond a mere walking corpse, promising to unlock abilities that could crown him the emperor of the undead.As Zorvax hones his newfound skills, the line between man and monster blurs. Will his human intellect triumph, or will the beast within claim the throne? “This world has no place for the weak,” he arrogantly declares, ready to challenge fate itself.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Xu Qing woke up to find himself turned into a Zombie.Zombies do not die; their life is endless, yet they suffer from the lack of a method to evolve and ascend!Facing a chaotic era where ceremonies and music collapse, and demons and strange creatures emerge endlessly, Xu Qing chooses to remain under the radar and becomes the most inconspicuous Corpse Driver in the shadowy profession of corpse craftsman, earning various rewards by performing rites for the dead each day.Be it folk arts, innumerable professions, or the nation's destiny and heaven's will, gods, ghosts, and the extraordinary, Xu Qing hides within a shop, mastering them all.Watching clouds rise and fall, witnessing the dynasties change and old acquaintances fade; with eyes opening and closing, witnessing the vicissitudes of life, thousands upon thousands of years, my form remains unchanged, eventually becoming an eternal name among the immortals!------------------[Alternative Longevity Stream, Folklore and Anomalies, Management Daily, Steady Cultivation]

This was a fragmented and disorganized world, this was a place that had been forgotten.