New Father: Empress Appearing On My Doorstep With Our Daughters - Chapter 107 - Daddy, You Can Do It! Let’s Play!

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.

“She betrayed me. Lied to me. Left me for a richer man...I gave her everything—my time, my love, my dreams. And in return? She walked away like I was nothing.”Chen Yu thought he had it all figured out—a simple life, love, and a future with the girl of his dreams. But when Li Yuxin, one of the most popular girls in the university, chooses wealth over love and leaves him for the arrogant Young Master Kang, Chen Yu's world crumbles.But fate has other plans.Just as he's drowning in heartbreak, a mysterious voice echoes in his mind:“System has found the perfect host. Binding initiated.”Now, with a powerful system in his hands—one that grants him experience in any skill he desires—Chen Yu embarks on a journey of transformation.He doesn’t want revenge.He wants greatness.From rock bottom to the very top, Chen Yu will rise.And those who once looked down on him?They’ll wish they never did.He will have to rise to the top of the world before the EVENT comes.

This story is about a god level player, Li Cangyu, who returns to the game Miracle after being away for several years. The story explores him playing the game and setting up a team in an attempt to finally win a trophy in the Miracle Professional League.
E-sport God Series 1 “The Strongest God”
E-sport God Series 2 “God Level Summoner”
E-sport God Series 3 “The King’s Return”

An avid Xianxia reader suddenly has his dream come true—he wakes up in a world of cultivation. The only problem? Maybe it wasn’t really his dream after all.Now, faced with the daunting reality of countless cultivation realms to climb, countless worlds to ascend through, and countless arrogant young masters to deal with, despair begins to settle in.Fortunately, a glimmer of hope appears amidst the chaos: a mysterious system that could change everything.Armed with elders, ancestors, and a sect leader—who are all actually his own avatars—he no longer feels completely overwhelmed.“At least I don’t have to do it all alone… well, technically, I do. They’re just avatars, after all.”