Ready or Not: Dark Waters is a major expansion for the tactical first-person shooter that introduces high-stakes maritime operations. Players lead a SWAT team into new environments like offshore oil rigs, luxury yachts, and coastal resorts to neutralize threats in intense, close-quarters combat. The DLC adds specialized VBSS (Visit, Board, Search, and Seizure) gear and weapons designed for water-based tactical scenarios. It maintains the series' commitment to realism, requiring careful planning, non-lethal options, and precise coordination to ensure civilian safety and mission success.