核心防线 core defense line Demo is free on Steam

Our record

We first recorded this on 24 September 2026. Listed on Steam. Picked up from Steam, then checked against the store.

From the store page

You are a cloud operator. In the game, to protect the core and resist the continuous virus invasions, you build defenses, construct cards, install creatively designed plugins that provide you with various attack methods, repair external nodes, and at the same time offer you more convenient defense.

Excerpt from the Steam store page. Full description there.

Genres and features

CasualStrategySingle-player

Questions

Is it really free?

Yes. 核心防线 core defense line Demo is free right now on Steam, with nothing to pay.

Is this the full game?

No. A demo is a portion of 核心防线 core defense line Demo — usually the opening section — published so you can try it. It is free permanently, but it is not the complete game.

Where do I claim it?

On the official Steam page. We link straight there — we never host game files or act as a middleman.

Earlier giveaways of 核心防线 core defense line Demo
Ended	Store	Ran for
—	Steam	—

Earlier giveaways of 核心防线 core defense line Demo

Ended

Store

Ran for

—

Steam

—