"Highly compressed" downloads found on the internet often involve "ripping," where uploaders remove non-essential data:
This comprehensive guide covers everything you need to know about downloading, extracting, and playing a compressed version of the game on original PSP hardware or modern emulators like PPSSPP. What is Naruto Shippuden: Kizuna Drive? naruto shippuden kizuna drive psp iso highly compressed
Click the "Open" button from the top menu buttons, then locate and select your Naruto Shippuden: Kizuna Drive ISO file. The contents of the ISO should now be displayed in the main window. "Highly compressed" downloads found on the internet often