The "Partner Zapping" system is the title's defining mechanic, allowing players to switch between two characters on the fly to solve puzzles and manage combat. This system introduces strategic depth, as each character has unique strengths:
: Specializes in medical knowledge, allowing her to mix herbs and chemicals . Resident Evil 0 / biohazard 0 HD REMASTER Downl...
: Offers higher durability, greater physical strength for pushing objects, and proficiency with heavier weapons. The "Partner Zapping" system is the title's defining