Becoming Invincible in the Game-Invaded World - Chapter 14

Third Miss Luo relies on her father’s power to create chaos everywhere and is notorious for bullying the weak. When she had nothing to do, she led a group of servants to the streets to flirt with beautiful and handsome boys. For Princess Qingyang, if this kind of person dared to behave wildly in front of her, she would just kill her with a single finger—until she opened her eyes again and found that she became Third Miss Luo, Luo Sheng.

- Description from Novelupdates

This world is not only as the public knows it; there is an underworld that ordinary people don't encounter.Government agents handle troubles in the shadows, while corporate assassins privately deal with issues.Assassins, mercenaries, arms dealers, and spies exist, along with a dark web that ties this world together, and tycoons who attempt to control everything with money.Gao Yi entered the underworld, unbeatable in close combat, carving out his own domain.But there are guns in this world. Beyond seven steps (close combats), guns are faster.Within seven steps, guns are both accurate and quick.Only within three steps does Gao Yi's punch become faster.Unable to beat them, he chose to join them, aiming to rule them all.To rule everything, become the king of killers in the eyes of mercenaries, the king of spies in the eyes of assassins, the king of killers in the eyes of spies, and the king of intelligence in the eyes of arms dealers.Until he is crowned king by the entire underworld, Gao Yi is the ultimate firepower.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

A miracle doctor is exiled to an alternate savage world and forced to change his scummy ways!

Having thoroughly offended God, Yan Mo’s soul was transmigrated to another world. He quickly understood the cruelty of this world he’s in. The reason he was hit unconscious by someone and brought back to his home, was to be that primitive man’s food reserves in winter. The tribe he is in is a super spartan primitive tribe, the people here only respect two things: Combat power! Fighting ability! The former is the fighting power in battles, the latter is…

……

Examine illness? Chinese medicine? Drink those bitter sandy things? The hell is that? Are you trying to murder our tribe’s warrior? Die!

Plant wheat? Raise pigs and chickens? We are warriors, not s*aves! Die!

Teaching the women to make clothes and cook? Make them soap and perfume? F*ck, he’s actually seducing our women! Die!

You’re a messenger of god? Here to lead us to a better life? Very well. We’ll give you one day, conquer all of our enemies, make them into sl*ves and bring them back. If you can’t, you’re dead!

Yan Mo: “……”