Blue Book (CD standard) file system may also be included for compatibility with Mac OS computers. The mandatory files and directories include an autorun.inf file compatible with the Windows 95 AutoRun feature; a CDPLUS and a PICTURES directories; and an optional DATA directory. The term "enhanced CD" is also an umbrella term and a certification mark used to refer to different CD formats that support audio and data content, including mixed mode CDs, CD-i and CD-i Ready. Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD,
Philips CD-i Console lineup. Games that were most heavily criticized include "Hotel Mario", "", "", and "Zelda's Adventure". EGM's Seanbaby rated "The Wand of Gamelon" as one of the worst video games of all time. However, "" was positively received by critics, and has often been held up as the standout title for the CD-i. In October 1994 Philips claimed an installed base of 1 million units for the CD-i. In 1996, the Wall Street Journal reported that total US sales amounted to 400,000 units. Philips CD-i The Philips CD-i (an abbreviation of Compact Disc Interactive) is an interactive multimedia CD player