Stop looking for magic compression. Start managing your library, delete games you’ve finished, and enjoy the PS4 for what it is: a fantastic machine that requires physical or digital storage.
Many "highly compressed" files (e.g., a 50GB game compressed to 10MB) are scams containing trojans or malware . ps4 iso games highly compressed
A: Indie games like Stardew Valley or Hollow Knight are ~200MB. AAA games are never small. Stop looking for magic compression