From Alcohol Soft:
Emulation software allowing users to play CDs & DVDs without the need for the physical disc. Notebook users and PC Game players would benifit the most from Alcohol 52% Supports 25 plus languages Can handle up to 31 virtual CD & DVD-ROM drives, all at once. The reading speed of a virtual CD-ROM is 200X. This means you can play a CD from the virtual CD-ROM with 200X reading speed. Supports normal CD & DVD and CD RAW sub-channel reading methods: RAW reading method enables to emulate all CDs. CD formats supported: CD-DA, CD+G, CD-ROM, CD-XA, Video CD, Photo CD, Mixed Mode, Multi-session CD DVD formats supported: DVD-ROM, DVD-Video, DVD-Audio Support for all current (ATAPI & SCSI) drives: CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+RW Full support for IEEE-1394 (Firewire) and USB protocols.