Tokyo Dark is an atmospheric detective game set in a mysterious, dark version of Tokyo. You step into the shoes of Detective Ito, whose investigation into her partner's disappearance quickly evolves into a descent into a twisted nightmare. As the story unfolds, your choices directly impact Ito’s mental state using an innovative S.P.I.N system that monitors her Sanity, Professionalism, Investigation, and Neurosis. This system not only affects how other characters interact with you but also determines the actions available throughout your journey.