The Mightiest Leveling System - Chapter 4879

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

The tender girl, Li Qiao, transmigrated into a delicate bride in a poor family.A rural household registration, between two decrepit houses.What she didn't know was that the unambitious loser of a husband would one day become a commercial tycoon, possessing the highest status and countless wealth.She was even less aware that her reborn stepsister was determined to replace her and become the wealthy lady of the house.The stepsister often urged her to leave, “Brother-in-law drinks and fights, he's irresponsible and doesn't deserve you.”Li Qiao was irritated on a daily basis, “He says he can annoy me to death.”The stepsister added, “He's too poor, you and the child will follow him to a life of hardship.”Li Qiao's face blushed with shyness, “He says one child is not enough to split up over, unless we have another one.”The stepsister: ……

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

Xiao Feng, the protagonist of the story was an ace at online games. By accident, he knew a game called Mystery which can reduce human’s energy consumption and improve the space-allocation on the earth. In this game, he hit monsters, increased his levels and met a lot of friends. However, at the same time, he was inevitably drawn into the struggle within and outside the labor union. What should he do? And what difficulties would he face? The following are his inner monologues.

I was killed in the game and asked him/her to fight offline only to find that she was a girl. What should I do?

I wanted to be a support and carry my team-mates only to find that all of them were newbies, what should I do?

Please don’t court death and let me kill the boss with the hammer!

To conclude, this story is about a support who would have liked to carry all his team-mates. However, after realizing that support could not save the world, he resolutely picked up the hammer and killed the boss in the game.