In 'Hello, Whose Nightmare?', players inhabit the conscious and subconscious realms of an anonymous person plagued by a series of increasingly bizarre and fearsome nightmares. As the character explores their fragmented psyche, players must interact with distorted memories and strange manifestations of the person’s fears and desires. Each choice influences the path through these surreal landscapes, leading to multiple outcomes that can either help liberate the individual from their torment or plunge them deeper into despair. The choices made not only affect the narrative but reveal secrets about the character's waking life, forcing the player to confront moral dilemmas that echo throughout both realms.