Some files are stored as .7z or .rar , then decompress to a much larger ISO. But a “highly compressed” playable file (e.g., .cso ) cannot exceed 70% reduction without quality loss.
Naruto: Ultimate Ninja Heroes 2: The Phantom Fortress – The Best Highly Compressed Version for PSP
Naruto Ultimate Ninja Heroes 2: The Phantom Fortress , released for the PlayStation Portable (PSP), remains a landmark title for fans of the franchise. It successfully transitioned the high-energy combat of the Ultimate Ninja
Do not chase a 50 MB “Naruto Ultimate Ninja Heroes 2 Highly Compressed” file from a sketchy YouTube link or forum. Instead:
