: To reach such small sizes, modders must remove massive amounts of data. For example, some experimental builds reduce the game to ~2.5GB by cutting all missions, audio, graphical effects, and nearly the entire map except for small sections of Los Santos.

Technically, extreme compression exists, but it rarely works the way you expect for a modern AAA title.

Compressing GTA V to ~10 GB is technically feasible through aggressive downscaling, pruning, and advanced compression, but it significantly degrades fidelity, can introduce instability, and poses serious legal and security risks if distributed. Safer approaches include requesting official low-footprint builds, using cloud gaming, or distributing authorised optional asset packs.

If a file size seems too good to be true, your PC is about to become a "highly compressed" paperweight.

Before you click any suspicious download link, let’s understand the math of compression. The original GTA V contains: