MTL - Game Designers: You Don’t Understand Charity - Chapter 300 fall short

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.

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates

Here, only those with spiritual roots can cultivate while those with mortal roots are destined to stay mortal.

Mo Wuji only has mortal roots, but will he only remain as a mortal?

- Description from Novelupdates

Qin Xiaoyao transmigrated one day, becoming the recently married wife of the Song Family, whom everyone in the village scorned for being poor and desperate.

Her mother-in-law was sick, while her uncle and aunt were very young.

Her husband was gorgeous but was bed-ridden with illness.

They all lived in a small straw hut and would survive daily on what rice and soup they could scrape together.

However, she was the very cause of their desperation.

As the youngest daughter of a butcher, her father forced this marriage on her because of her husband’s good looks and scholarly title.

She married Song Que precisely like she wished but could not bear the life of poverty and had very much dug herself a hole.

Glancing at her own round figure, she sighed.

It turns out that she was the one who was tricked instead! Female lead: A woman from the future.

Strong physically but also possess superpowers.

A sucker for good-looking men. Smart.Male lead: Reincarnated. An evil-looking man who was ruthless.

A comedy with strong lead characters.

Welcome to your new pit, dearies.