Compression works by removing redundant data or using efficient algorithms like LZ4 or ZStandard to rearrange files so they occupy less space. For the PlayStation 3, this usually happens in two ways:

This "better" version has been tested for common compression issues, such as infinite loading screens or missing audio during cinematics. The integrity of the game's executable (EBOOT.BIN) is fully preserved.

Support for Additional game format (ISO) · Issue #4021 - GitHub

Corruption Risk: Extracting multi-part compressed files can sometimes lead to unusable or corrupted data if the decompression process is interrupted or a password is entered incorrectly. Performance Optimization (Alternative to Compression)

Why waste your data and time on huge files when you can get the exact same game in a smaller package? ✨ Faster downloads ✨ More space for other games ✨ Zero loss in quality