Here is a collection of classic PC games on CD-ROM on the Internet Archive…
IS THIS LEGAL ? Yes and No. It is (probably) legal for them to host the games, but downloading the game may be illegal in your country, check your local laws.
PLEASE NOTE: No game files is hosted on G4G.IT
Link to Official Site (FULL LIST 624 Games!)
Interplay’s 10 Year Anthology CD-ROM (1983-1993)
Strike Commander (1995)
Theme Park (1994)
Space Hulk – Vengeance of the Blood Angels (1996)
Star Wars: Rebel Assault (1994)
Star Wars – Rebel Assault II – The Hidden Empire (1995)
Star Wars – Dark Forces (1995)
…and much more, check out the full list link.
To run the games:
Link to D-Fend Reloaded (DosBox Frontend)
The Internet Archive is a 501(c)(3) non-profit that was founded to build an Internet library. Its purposes include offering permanent access for researchers, historians, scholars, people with disabilities, and the general public to historical collections that exist in digital format. Founded in 1996 and located in San Francisco, the Archive has been receiving data donations from Alexa Internet and others. In late 1999, the organization started to grow to include more well-rounded collections. Now the Internet Archive includes: texts, audio, moving images, and software as well as archived web pages in our collections, and provides specialized services for adaptive reading and information access for the blind and other persons with disabilities.