There’s one semi-known used by speedrunners and low-end gamers: “GTA SA Compact” — but it has:

of hard drive space. The 600 MB versions achieve their small size by: Stripping Content

When posting about "highly compressed" games (like 600MB for GTA SA), users are often skeptical or encounter fake files. If you are hosting a legitimate file, ensure you mention that it is "Safe and Virus Free" to build trust.

It’s important to clarify right away:

Before downloading Grand Theft Auto: San Andreas, make sure your PC meets the minimum system requirements: