What makes us human? Do our minds control our bodies or are we compelled by urges, compulsions and appetites? When gothic novels were first written, their pace and content were designed to raise heart beats and send shivers down the spine. Games company SlingShot and Anthony Mandal of Cardiff University are setting out to find the contemporary equivalent to the phantasmagoric form. Using participants' bio-data to shape the experience, Jekyll 2.0 is a pervasive media adaptation of Robert Louis Stevenson's Jekyll and Hyde – a reclamation of the novel's transgressive power and a reframing of its central themes for the age of the bio-hacker.