Atticus's Odyssey: Reincarnated Into A Playground - Chapter 943: New Game

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.

Mu Yangling was reborn into a hunter’s family, and she expected to live a simple and happy life.However, a disaster almost shattered their home.His father was conscripted into the army because of a war, and the whole family had to follow and settle in a farming village.Unfortunately, they couldn’t even distinguish the seedlings of the five grains.As Mu Yangling looked at her mother and younger brother, who were on the verge of tears, she straightened, lifted her head, and said, “It’s okay. I have strength.”She also had some agricultural knowledge from a thousand years later!

Read the first 10 chapter and you will like it..All of humanity—billions of souls—were forcibly transported into 《Global Lord》, a merciless game-world where each person becomes a Lord and must fight to survive. Most cried. Most begged. Most died.But Lucas Nightveil was different.A war mongrel with a thirst for carnage, Lucas thrived in blood and madness. While others struggled to build wooden huts and gather firewood, Lucas awakened the [Dark Crypt]—and with it, her.Selena Draculea, the Vampire Queen. Elegant. Overpowering. Sadistic. And above all—loyal only to her King.While the rest of the world was still learning how to train peasants, Lucas was already unleashing Death Knights, Blood Moon Archers, and Shadow Banshees from his evolving Lair. With Selena by his side, he painted the lands crimson with the blood of Lords, monsters, and gods alike.He didn’t want peace.He didn’t want justice.He only wanted war.“In the night, there is no mercy—only my will.”— Lucas NightveilAs his Night Empire rises, the world learns one eternal command:“Bow to the Vampire Queen. Or be devoured by her King.”