Unlike the deep Atlantic, this campaign features many shallow water missions . This makes it extremely difficult to hide from enemy sonar and airborne ASW (Anti-Submarine Warfare) assets like helicopters.

Unpack the downloaded .iso or .zip file using a tool like WinRAR or 7-Zip .

To play the South China Sea campaign legally, you should purchase the base game on Steam or GOG . The expansion is automatically included in the latest official updates. If you are using the PLAZA release:

Since you cannot dive deep to escape, use MOSS (Mobile Submarine Simulators) to lure torpedoes away from your actual position.

Combat takes place in the Asia-Pacific region, specifically the East and South China Seas.

The community has significantly expanded the South China Sea experience through mods: South China Sea - Cold Waters - First Look

In shallow waters, being quiet is your only defense. Avoid cavitation (high speeds) at all costs when enemies are near.