MTL - The Secret of the Seal - Chapter 2287 Sun Ping!

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

Uzumaki Naruto wakes up one day to find out that his life has been turned into a RPG game, thanks to his 'Gamer' ability. What should he do about this? Smart(er) Naruto. Elements of Romance Games included in later chapters, so possible upgrade to M later

An inexplicable danger lurks within the harbor, where numerous containers emit a pungent stench. Suddenly, crew members fell ill and began to wildly attack other people. The text that appeared out of thin air told her that this was a survival game.

Fu Anan thought that it was just a dream, and that she wouldn’t be affected by it once she woke up.

It wasn’t until the game told her: She would die if she didn’t follow the rules of the game. She would also die if she didn’t survive for at least thirty days in the game…

Unknown danger on the cruise ship; An isolated island that suffocates people; creatures inside the fog; Floods that engulf everything; Epidemic with no cure; Constantly collapsing lands……

How should one survive in various natural and man-made disasters, and in environments where resources are scarce?

- Description from Novelupdates