Real Sound: Kaze no Regret, is an adventure audio game developed and published by Warp. The game was first released for the Saturn in July 1997, and later for the Dreamcast in March 1999. Real Sound was intended to provide equal access to sighted and blind players. The subtitle Kaze no Regret means "The wind's regret" or "The Wind(s) of Regret".

An audio game is an electronic game played on a device such as a personal computer. It is similar to a video game save that there is audible and tactile feedback but not visual.