Which sci-fi mystery novel had the apocalypse as its theme?

😋I recommend the following novels to you, I hope you like them: "The System and I are losing our identities every day": The female lead is Gemini, and the system is a troublemaker. The whole story is full of nonsense. The background is empty, and the background is post-apocalyptic. [Doomsday Unlimited Escaping]: A proper title. Doomsday + Unlimited + Escaping. Doomsday background. Sci-fi space. Doomsday crisis genre. "Doomsday King of Fighters": Frozen for 10 years, the world has turned into hell, the struggle between humans and zombies, sci-fi-doomsday crisis genre. "Doomsday Fairy Farm": The apocalypse is coming. The pig's foot is dead, but it doesn't become a zombie. It's a sci-fi-doomsday crisis genre. The author writes for life. "Doomsday Demon Hunt": Strange monsters, mutated beasts, posthumans. The protagonist obtains a heaven-defying skill and defeats the goddess, bringing a glimmer of hope. Sci-fi-doomsday crisis genre. "Doomsday Sword Heart": Three hundred days after the end of the world, the protagonist Hu Tu enters the lowest class of the people in the end of the world. How should he push the wheel of fate? Science fiction-Doomsday Crisis genre. "Doomsday Begins with Evolution": After the apocalypse, Qin Fei, the pig's foot, embarked on a journey of cheating in the apocalypse and embarked on the path of ultimate evolution. Sci-fi-doomsday crisis genre. "The Strongest Warrior in the End of the World": Doomsday Era, ancient writings on the ancient ruins of zombies and demons, the best era for martial artists, and the future world. "Doomsday Reboot": Hell on Earth. Animals rely on eating humans to increase their intelligence. Alicia steps into the process of destruction. Sci-fi-doomsday crisis genre. [Doomsday: Zombie Invasion]: Death row convict He Hao obtained a mechanical arm, Raven, and was named the Marquis of Doomsday. Sci-fi-Doomsday Crisis genre. I hope you like this fairy's recommendation. Muah ~😗