In 'Whose Knocking?', players step into the role of a reclusive detective thrown into a bizarre scenario when they receive a series of ominous knocks on their door. Each knock corresponds to a distinct character from the shadows of their past, unleashing twists and tales that intertwine their fates. Players must navigate through dialogue trees, confront hidden truths, and unravel different mysteries behind each visitor while revealing layers of their own psyche. The choices you make will determine the outcome of the story and how these haunted figures relate to your character's history, leading to multiple staggering revelations and endings.