The standard 500GB or 1TB internal HDD on a PS4 fills up incredibly fast.
Some compression is "lossless," meaning the game is identical once extracted. "Lossy" compression (often found in "Repacks") might lower the quality of pre-rendered cutscenes to save space. Why Seek Out Highly Compressed PS4 Games? ps4 iso games highly compressed
The demand for smaller file sizes stems from several practical needs: The standard 500GB or 1TB internal HDD on
Most "backups" or custom ISOs require a PS4 running a specific older firmware version (like 9.00 or lower) that allows for a "Jailbreak" or Homebrew Enabler (HEN). Why Seek Out Highly Compressed PS4 Games
Many gamers live in regions with strict monthly internet data limits, making 100GB downloads nearly impossible.
If a site asks you to complete a survey to unlock a download, it is likely a scam.
Smaller files mean you can get into the game faster, especially if your internet speed is modest. How to Handle Highly Compressed Files