Tainted: An olfaction-enhanced game narrative for smelling virtual ghosts.

•Tainted is a first-person 3D adventure game that enables players to experience a traditional horror folklore using visual-auditory-olfactory interactions.•The information provided by the additional olfactory stimuli delivers an immersive gaming experience by providing game narrative and signaling predefined game conditions (e.g. imminent threat, game hints).•Smell stimuli also stimuli attempt to invoke emotional responses such as fear and curiosity.•It is suggested that the olfactory information is closely coupled with players’ experience and enjoyment of the narrative as well as the smell-driven gameplay.