9: The Last Resort is a 1996 adventure computer game developed by Tribeca Interactive. The game was produced by Robert De Niro and Jane Rosenthal, and sported a cast of voice-artists including Cher, James Belushi, Christopher Reeve, Tress MacNeille and Steven Tyler & Joe Perry of Aerosmith. It also includes the visual style and artwork of Mark Ryden. It was developed for the Windows and the Mac OS platforms.