Video games are usually enjoyed through sight and sound. Recently, haptic elements like vibrations in controllers or mice have been added as well.At this year’s Gamescom, German startup ZESTUM added a new sense to gaming: smell.
Source: https://www.invenglobal.com/articles/25337/adding-scent-to-gaming-german-startup-showcases-the-scentbar-at-gamescom
