Both approaches work, but they have different trade‑offs in terms of compatibility, load times, and ease of use.
The "highly compressed" file is actually an executable (.exe) file packed with viruses, ransomware, or cryptocurrency miners designed to infect your PC. The Risks of Downloading "Highly Compressed" Files
Lossless compression (e.g., ZIP, RAR, 7z) allows data to be reconstructed perfectly to its original state. On the PS3, the file system (UFS2) contains significant redundancy. ps3 games highly compressed work
That’s why a vanilla PS3 ISO is often huge — but that doesn’t mean the game needs all that space. Much of the data can be compressed without affecting gameplay.
| Game | Compressed size | Extracted size | Works on RPCS3? | Notes | |------|----------------|----------------|----------------|-------| | | ~4 GB | ~34 GB | ✅ (with settings) | RPCS3 needs good CPU | | The Last of Us | ~6 GB | ~38 GB | ⚠️ (heavy stutter) | Not recommended compressed | | Persona 5 | ~3 GB | ~20 GB | ✅ (perfect) | Works very well | | Gran Turismo 5/6 | ~8 GB | ~40 GB | ❌ (broken compressed) | Needs all game files | | LittleBigPlanet 2 | ~2 GB | ~14 GB | ✅ | Good compressed repack | Both approaches work, but they have different trade‑offs
If you find a website claiming a 40GB game like God of War III has been compressed into a 500MB file that installs instantly, Here is what usually happens:
If the compression modifier deleted critical game files (like mandatory update files or specific rendering assets) to save space, the game will black-screen or crash at specific loading points. 2. Playing on PC via RPCS3 Emulator On the PS3, the file system (UFS2) contains
Allows users to have a much larger library, such as having the entire MotorStorm or Uncharted series, available at once. Cons:
Are you playing on a or an actual PS3 console ? What specific game are you trying to compress or install? What operating system is your computer running?
Do Highly Compressed PS3 Games Really Work? A Practical Look
Always use the latest version of 7-Zip to avoid extraction errors.