In "Who's Knocking?", you play as an unassuming apartment dweller whose quiet life shatters when a series of ominous knocks echo through the hallway at odd hours. As the neighborhood's clues unfold, engage in conversations with eccentric neighbors and uncover secrets that twist the very nature of your reality. Each decision embarks you deeper into a tangled web of deception, paranoia, and discovery as you figure out who—or what—lies beyond your door. Can you solve the mystery before it’s too late?