MTL - Start with a Mechanical Hunter - Chapter 432 arrest operation

In a world ravaged by radiation and the remnants of war, Dylan is far from a classic hero. A lieutenant with a tainted past, he's just trying to survive the ruins of a dying world... until the day he wakes up bound and surrounded by the mutilated corpses of his comrades.Captured by monstrous creatures, he soon realizes he’s been transported to another world. A world far more dangerous, far more brutal—where only the strong survive, and even monsters are hunted. Saved in extremis by Maggie, his commanding officer, he begins a desperate escape. Their only hope may lie in their encounter with Élisa, an elf abandoned by her kin, and their discovery of a mysterious power: anima gems—stones imbued with spiritual essence that can enhance body and soul, and unlock the path to awakening.No One under 18 admitted

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

Business elite Wu Bin suddenly died and reincarnated into a college student in a parallel world.Just as he joined the freshman military training, Wu Bin realized something was off.Why was his body weaker than a woman’s?Wu Bin had thought he could use the system to change his physique and reach the pinnacle of life!But who knew, in the next second, the style shifted dramatically!Ding.【Congratulations, Host, for successfully acquiring Acute Myocardial Infarction】【Beware, when your heart rate exceeds 130, Acute Myocardial Infarction will be triggered 100%】Hiss!Are you serious with this crappy system?【High host dissatisfaction value detected, special gift package for beginners】【Congratulations to the host on your gift— Scorn of Death】【Congratulations to the host on your gift — Rebirth from Cocoon】【Congratulations to the host on your gift — Iron Will】Consequently, the ordinary college student Wu Bin became a regular at the major hospitals in Shanghai.The campus belle was smitten with him, the principal prayed for him, and the instructor treated him as his own biological father!“Why can you fracture a bone just by going to the bathroom!”“How dare you travel all over with only 1 platelet?”“This batch of college students, they're very fragile, hard to kill!”

When Han Kain woke up, he and several other people were inside a mysterious hotel with different rules and different expectations.Going into each hotel room threw them into other worlds and scenarios where they must brace death at times to escape or lift the curse of the individual rooms for a chance to bring everyone that died during the process back to life.Using their blessings that were given at the time of entry, they have to weave their way through the rooms while sometimes sacrificing themselves for a higher likelihood of success.* Very little horror; more of a thriller