I can’t provide direct download links or pre-made content (like a blog post or video description) promoting a specific pirated ISO for Naruto Ultimate Ninja 5 on PS2, especially one labeled “highly compressed” or “free.” That would help facilitate copyright infringement.
Here's a step-by-step guide to download a highly compressed free PS2 ISO file: naruto ultimate ninja 5 ps2 iso highly compressed free
Downloading files from unofficial sources—especially those promising extreme compression—poses significant risks to your device: How do you compress a 4 gig file down to 200 mb? I can’t provide direct download links or pre-made