Proteus 1.2 {PX-Flash}

Proteus is a 2013 open world exploration video game developed by Ed Key and David Kanaga for Linux, Mac OS, Microsoft Windows, PlayStation 3, and PlayStation Vita. The game was released on 30 January 2013 for Windows and Mac, and on 8 April 2013 for Linux. PlayStation 3 and PlayStation Vita versions were later released on 29 October 2013. The game is based around exploring and discovering an island with no specific or set goals. Players explore an environment in which every creature and plant has its own unique musical signature, which results in changes in audio depending on the area explored. The game world is procedurally generated, which gives a unique layout each game.

More Info: http://www.visitproteus.com/