In 'Hello, Whose Nightmare?', players step into the shoes of a dream-walker, a rare individual with the ability to enter and influence the nightmares of others. The game unfolds in a surreal landscape filled with vivid and chilling imagery where players must navigate through the dreams of various characters, each facing their own fears and traumas. The objective is to confront and resolve their deepest anxieties while avoiding malevolent entities that lurk within the nightmares, seeking to ensnare the dream-walker and trap them in a never-ending loop of terror. Every decision shapes the narrative, leading to multiple endings based on how well players manage to confront the fears of others and safeguard their own sanity. Will you emerge as a savior or become a permanent resident of the nightmare realm?