I Have 108 Older Sisters - Chapter 1352 - 1,351. Try Your Luck

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 world has fallen, overrun by the dead. Hailey and Ronan have one goal.Survive.But in a world where danger lurks around every corner, survival isn’t just about dodging zombies.They must travel together through highways choked with the dead and cities crawling with danger. They fight to survive. Every mile is a gamble with scarce supplies, hostile survivors, and the relentless undead.In a world where trust is dead, can they make it to the other side alive?>>>“You can't kill something that's already dead, Hailey-Jade. The dead don't die anymore. It lives.”

Forget about moving to the other side of the world and starting over.The Apocalypse is here!As the only survivor of the Tutorial Quest in his area, Elijah awakens the Class of “Depraved Hero”, an ominous-sounding Class with a Legendary Rank!Additionally, because of the insane difficulty as well as his Clear Rank, he gains the Skills that, according to the mysterious figure that is the Administrator, he needs most.[You have Developed the Skill “Absolute Authority[A]”.][You have Developed the Skill “Slave Mark[C]”.]

She thought she was dead but she woke up inside a novel – to an extra who will die a year later.Not wanting to die like this, Alexa decided to tame the male protagonist in the form of a dog. Two years from now, the male lead will return to his human form. In the meantime, she was thinking of leaving the Grand Duchy after receiving the right pay for doing them a favour.The problem is that when the male lead returns to his human form, he forgot all his memories.“You have to remember me, okay? There’s no point in looking so cute. Promise me!”She told him many times because she didn’t want to mistakenly die by the male lead’s hands, who became a villain.But,“You told me to remember, so I remembered everything. Alexa.”Ysildus unbuttoned his jacket.“If there’s no other way to return that favour then I have to pay it with my body.”A cute puppy that grew up into a weird wolf.Damn, what did I raise?