MTL - Rebirth In the College Entrance Examination: Making a Fortune with a Rough Man - Chapter 4 Han Xiong Sang Da Zhuang

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

As 21 years old Noah closes his eyes for what he thinks will be eternity, he wakes up in the body of a girl 7 years younger than him.Vasilisa, as she is known, is hated and mistreated by the people around her because of the Muddy Tongue curse which not only impedes her speech, but makes her magic unstable.This effectively makes her the harder than hard mode when it comes to reincarnation, and, of course, fate made her his “avatar” in this new world full of mechanics he only ever saw in video games.Despite this, Noah as decided…Whether as Vasilisa or himself, this time he will find a way to exist for the world.

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates

As disaster was about to strike, a group of survivors transmigrated into a desolated world and were challenged to a game of survival. From terrifying acid rains, to endless natural disasters, the heavens burn while the earth scorches, radiation is rampant, and nobody is spared from the dangers of this hellscape. The only way one survives is by building a shelter and slowly upgrading it in hopes of surviving another day.