Most of these files are compressed mods of older GTA games.
: Some modders attempt to compress the full PC game (normally 100GB+) into tiny files (sometimes as small as 2.5GB) by stripping away high-quality textures, audio, and radio stations. Why You Should Be Cautious gta 5 cso link
I’m not sure what you mean by "cso link." Do you mean: Most of these files are compressed mods of older GTA games