Rebirth: Ghost Exorciser - Chapter 1812 - Old Liang Family Residence, Drop the Handkerchief

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

The narrative follows a gamer who, after selecting the “Awakened Cinder” class in the game Fractured Dawn, finds himself transported into the game's world. However, this version of the game is devoid of its usual interfaces—no UI, no tutorials, and no second chances. Each death strips away a part of his memories and identity, immersing him deeper into a perilous reality.The protagonist, now known as Riven, must navigate the treacherous Witherlands, confronting formidable foes like the Gravemare and Dreamborn Horrors, while uncovering the mysteries of Emberlight, Grace, and Cindershrines. His journey is one of survival, self-discovery, and challenging the very fabric of this fractured world.

Jian Heng, who lives in the United States, only wants to make enough money and return to China to retire happily. Unfortunately, by accident, he becomes a poor rancher!

Fortunately, he has an unknown cheat. From then on, Jian Heng started to run his own small ranch, and at the same time added some private goods, so that the group of American guests who came to the ranch adapted to the self-created Chinese style’ There are forceful living habits.

The new book “Small Peasants in the Great Era” is released, welcome everyone!

- Description from novelbuddy

This is the story of a person who transmigrated into a world with a radically different worldview.

So different, in fact, that he is considered a female in that world!

Cheng Nuo: What? Why did you say that I’m female?

Author: You only have one Tintin. The males of this world have two Tintins.

Cheng Nuo: No way! My hands are itchy… I want to cut one off!

- Description from Novelupdates