Searching for "GTA San Andreas ISO" on the Archive yields several types of entries:
I've recently had the chance to play Grand Theft Auto: San Andreas on the Internet Archive, and I must say, it's a nostalgic treat. The game, originally released in 2004 for the PlayStation 2, has been made available as an ISO file on the Internet Archive, allowing users to play the classic game in its original form. gta san andreas iso internet archive