PS2 games were originally pressed onto DVDs. Standard ISO sizes range from 1.5 GB to 4.7 GB (or up to 8.5 GB for dual-layer). "Highly compressed" versions usually imply files compressed down to 100MB - 500MB.
Here’s a short, interesting story based on that search query. naruto ultimate ninja 5 ps2 iso highly compressed updated
Searching for a "highly compressed updated" version of Naruto Shippuden: Ultimate Ninja 5 PS2 games were originally pressed onto DVDs
A: PS2 emulation is heavy. Go to your emulator settings and enable "Multi-threaded VU1" and set the renderer to Vulkan for better performance. naruto ultimate ninja 5 ps2 iso highly compressed updated