Even with the "Ultimate Ninja Storm" series available on modern consoles, Ultimate Ninja 5 offers a unique 2D-plane fighting style that many purists prefer. The tactical depth of the "substitution jutsu" and the charm of the 3D exploration in Master Mode provide a nostalgic trip that modern titles often skip in favor of cinematic spectacle. Finding a highly compressed version is simply the most efficient way to keep this piece of gaming history alive. If you are looking to optimize your setup further:
"Highly compressed" versions (often around 1GB or less) are unofficial fan-made repacks designed for easier downloading. naruto shippuden ultimate ninja 5 ps2 highly compressed