Which completed doomsday novels are worth recommending?

A college student was returning home after studying abroad for several years when the end of the world happened. A dragon appeared out of nowhere and attacked the plane he was in, thanks to an incredible amount of luck and his quick-thinking, he managed to survive the plane crash only to get stuck on a tropical island. A weird system took over the world and brought monsters to Earth. While nations collapsed and the world as a whole was being destroyed by ridiculous monsters, Leon was stuck on a godforsaken island with no chances of being rescued. What will happen to him? How will the world change while he is away? Will he even manage to return? The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.

Doomsday was approaching... An ancient virus was released upon the world and from then on nothing was the same... Zombies, mutant wild animals and people with mutant powers... Jiang Liushi , one day woke up and found the Starseed, in his mind, a Black Technology which could assist him in various ways. Its most important function? Refitting and upgrading vehicles! [What? You thought it war a regular rundown minibus? Wrong! It was a Mobile Construction Vehicle (MCV) capable of massacring zombies, and everything that stood in its way, with its awesome weapons!] Follow Jiang and his MCV on the road to survival.

While playing an online game, after Luke bought an SSS rank gift card of Superman, he found himself in an unknown yes very familiar Marvel Universe. And with a twist of fate, the SSS rank gift pack has also come with him. After he started to do workout and exercise, he found that the loading screen to unlock the gift card was slowly increasing. However, after reaching 99%, it has stopped moving forward. And when he found the chance to get his hands on the Super Soldier Serum, will he take it? And will it be enough to push the bar till 100%? If no, then how will he survive in one of the most dangerous worlds? If yes, then will he be the Marvel's Superman?

Lin Sanjiu is a normal woman in modern-day society. Everyone admires her outstandingly handsome, gentle, and rich boyfriend. However, Lin Sanjiu feels vaguely afraid of this "perfect" boyfriend. She's always felt that her boyfriend looks at her like she's a tasty piece of meat... The transformation happened one night. Sanjiu got into an argument with her boyfriend, and he finally revealed his true colors. As it turns out, he was a being with special abilities from an apocalyptic world who wanted to eat Sanjiu to help him evolve. To his dismay, he ended up being the one killed by Sanjiu with her hidden abilities instead. However, Sanjiu's troubles don't end with her dead boyfriend. In fact, the world she resides in is starting to go through unusual changes. This world is becoming a scorching hot hellhole...

By the year 3029 CE, Earth's technology has developed rapidly, borders no longer exist, and Earth has been unified, marking the beginning of the era of the Federation. At that time, a huge sword flew from the heavens, piercing the sun and causing a huge sensation on Earth. Perhaps because the scabbard of the sword was already in tatters, countless shards have broken off from it following the collision with the sun and spread across the universe. Many of these shards have landed on various places across Earth. With the arrival of the bronze sword and its shards, a new unlimited energy source has suddenly appeared on Earth. This energy source has since been named Spirit Qi. Spirit Qi is like air, thick in some places and thin in others. As the Federation and other factions gather more shards, they discover more information on cultivation, pill refinement, Spirit Stone refinement, and other techniques. The words on the shards have an ancient feel to them, making it a trend for people to use ancient language. The appearance of Spirit Qi rapidly makes the original energy sources obsolete and has completely changed people's lives. Not only has the Spirit Internet been formed, Spirit Qi has also changed the course of Human Civilization, causing the world to enter a civilization of cultivation. This would later come to be known as the Spirit Inception Era.

One bad day is all it takes to send an average man to the fringes of madness, or so a wise, demented clown once said. But if one bad day that started with getting fired and ended with a meteor falling over one such average man's head didn't drive him insane, then maybe waking up in a fictional world full of monsters would do the trick? ... Are you sick of the usual power-wank, wish-fulfillment garbage? Are you tired of one-dimensional fanfiction protagonists? Have you had your fill of monotonous monologues and forced dialogues? Do you want to see steady, slow character development and power level growth? If you answered yes to all those questions, then congratulations! This is the story for you! ... I own nothing. All rights belong to their respective owners.