Third-party sites offering "highly compressed" versions (often 1 GB or less) typically use aggressive compression or strip out essential data like audio, cutscenes, or textures. Saints Row 2 on Steam
To understand the feasibility of "highly compressed" games, one is necessary to distinguish between archival compression and asset compression. download saints row 2 highly compressed link
Sometimes, users upload compressed repacks to Archive.org for preservation. This is statistically safer than torrent sites because files are scanned for viruses, but it is legally murky. but it is legally murky.