Asura Emperor Venerable - Chapter 821: Mirror World

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates

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.

“Introduce yourself!”The smile on Aoba's face slowly converged, and he became extremely serious, which made his face in the shadow of the backlight even more terrifying.“My name is Yamanaka Aoba, fourteen years old and live in the Anbu dormitory. I work in the Konohagakure Intelligence Division and live an ordinary quiet life every day...”Aoba transmigrated to the world of Naruto, became an ordinary Yamanaka clan member. Due to his frail body, the clan arranged for him to become Anbu in the Konohagakure Intelligence Division and conduct mind-reading interrogation work.When he didn't know how to pass the level, he awakened the Mind Reading System. Not only could he read memory, but he could also get rewards!Aoba learned from the memories of those who need to be interrogated that the ninja world was far more dangerous than he imagined, so he decided to grow wretchedly in the Konohagakure Intelligence Division and would never waver before becoming invincible ninja world.Ten years later, the Kyuubi Rampage broke out.Seeing that Kyuubi's claws were about to smash the Konohagakure Intelligence Division, Aoba had no choice but to make a move.“Kyuubi, you are too strong. You should still be sealed!”This is translated novel.

After dying on Earth, Liam Porter awakens in Twin Land, a strange world ruled by powerful Spirit Masters.Surrounded by corpses and the wreckage of a destroyed carriage, Liam finds himself wounded—newly arrived in this new world—facing the man responsible for his predecessor’s death.Thrown on an island where he must survive, Liam survives a strange demonic ritual and awakens magical powers.In a world where magic reigns and mystical beings (beasts and monsters) are essential for the growth of the Spirit Masters, Liam will follow a unique path alongside an incubus demon-spirit!To get stronger, he’ll have to conquer women and tame beasts!But not only his captors and the beasts—Spirit Masters’ natural enemies—will stand in his way. He will also have to face the depraved reality in which he finds himself!…“I will become the new Beasts God! Nothing and no one will stop me from achieving my ambition!”Expectations:- Fast pace, particularly at the beginning. A balance between lots of action, kingdom building, slow analysis of the cultivation system and rune creation;- Dark truths of a medieval society;- The MC is a curious earthling with above-average intelligence. He’s not a genius, but he will bring some things from his past life into this world in order to have some advantages (later in the story);- Harem;- Dual cultivation; (it’s the MC’s main cultivation method);- From weak to strong;- Sect building (later in the story).