In 'Whose Nightmare is This?', players step into the shoes of a renowned dream psychologist who experiments with lucid dreaming. One night, a mysterious distortion of their own subconscious merges with nightmares of their patients, trapping them in an ever-shifting dreamscape filled with bizarre puzzles and haunting personas. As players navigate this chaotic world, they must unravel the source of the nightmares, confront their own fears, and determine how to separate their reality from the nightmares before they become permanent residents of their patients' minds!