Underground Fortress

"Ah?"

Even Linsey himself had not expected this change.

As for the Survival Building Module, aside from using it daily, he actually had no way to upgrade it.

His plan had been to let it develop freely in the future, such as relying on rewards from the Task Bar to pile up skill levels.

But he had never expected it.

At this moment, without doing anything major, the Survival Building Module upgraded on its own!

"..."

Linsey calmly analyzed the situation.

Then, a possibility surfaced in his mind.

In the Barren Land World, he had already completed the construction of Forest City and the Insect Nest. Adding the Underground Fortress before him, that made exactly three cities.

And what about the Survival Building Module?

Survival and construction had always been equally important.

After establishing three cities, the module had finally triggered some sort of limit, leading to its upgrade.

"This time, it took building three cities. What about next time? What should I do after this?"

"Dyson Sphere Project? Factorio?"

Linsey shrugged.

Smiling, he opened his status panel and began examining this unexpected surprise.

Automation System: Unlocks technology for automated facilities.

Note: In the later stages, there will be hundreds of Farmland plots and dozens of farms! The player still has to go fishing—surely they can't spend all day on this!

"..."

Linsey's mouth twitched.

There was nothing wrong with this thing, and it fit the habits of survival-game players.

But when he recalled his own adventures, he somehow felt mocked by the skill description.

Linsey then opened the Survival Building Module panel.

Several interesting new names came into view—

"Automatic Watering Device, Automatic Harvester, Automatic Refiner, Conveyor Belt, Solar Power Generator..."

Linsey examined them one by one.

The descriptions of these items were just like