**3. A roadmap to haptic interfaces in games**

Haptic research in the realm of home entertainment and computer games has blossomed during the past few years. The game experience comprises four aspects: physical, mental, social, and emotional. In particular, force feedback technology enhances the physical aspects of the game experience by creating a deeper physical feeling of playing a game, improving the physical skills of the players, and imitating the use of physical artefacts. Plenty of games available in the market take advantage of the haptic effects offered by mainstream haptic interfaces. Car racing games can be enhanced when players drive over a rough section of road by receiving vibrations in their joysticks or steering wheels. However, how did we come to realize such novel interfaces that enhance our gaming experience? In this section we present a roadmap to past and present work, which can give a picture of how haptic interfaces came to be what they are today.
