The 11.1 version of Riveal for Mac was provided as a free download on our website. This free Mac app was originally designed by net.rshayter. The application is categorized as Games.
From the developer:
Riveal extracts sounds, movies, and pictures from the data files of the Myst series of games and from other games produced by Cyan Worlds and Presto Studios. It also extracts media from the unrelated but excellent games Alida, BioShock, and BioShock 2.
You may want to check out more Mac applications, such as Lost City of Z, JackKeane or Wandering Willows, which might be similar to Riveal.