: Unlike the deep North Atlantic, this theater focuses on combat in shallow waters, making stealth and navigation much more challenging.

: A modernized interface with tooltips to assist in commanding the submarine.

The official patch notes and discussions can often be found on the Cold Waters Steam Community and dedicated simulation sites like SUBSIM . South China Sea - Cold Waters - First Look

: Added playable Soviet-era vessels such as the Charlie 1 , Alpha , and November classes, along with the People's Liberation Army Navy ( PLAN ) Han class submarines.