Rust War: I Have an Infinite Upgrade System

[Decisive and ruthless + System + Rusted Warfare + lone wolf + no CP + no heroine + early farming and development]

(The title was too long to fit, so the original is “Rusted Warfare: Infinite Upgrade System, Starting with a Tiny Tank.”

Also known as “Rusted Warfare: I Have an Infinite Upgrade System” and “Rusted Warfare: What? I Can Build an Emperor-class Airship?”)

“Wait, isn't this damn thing just an upgrade mod?”

Number 18 looked at the System with disdain.

“Host, please believe me. This System has absolutely never played any of the upgrade mods you mentioned.”

Three months ago, he was playing games at home when a sudden transmigration caught him completely off guard.

Now, he finally knows what he has to do. He no longer runs from war.

“Wouldn't that make me no different from them?”

He had asked himself that question more than once.

In the end, he finally realized that in this world, you either eat or get eaten.

And so, Number 18's story began...