If you are playing on original PlayStation 2 hardware, you cannot simply plug a standard USB drive into the console and read save files directly. You need a bridge tool. Here are the two most popular methods: Method 1: Using FreeMcBoot and uLaunchELF (The Modern Way)

Released under the title Naruto Shippuden: Narutimate Accel 2 . The serial code is SLPM-66927 . A save file for Narutimate Accel 2 will not work on a European copy of Ultimate Ninja 5 , and vice versa. How to Convert Save Regions

Insert both the USB drive and your Memory Card into the PS2, boot the console, and launch uLaunchELF .

Move the downloaded save file onto the USB drive.

Before downloading a save file, check your game disc or ISO serial code: SLES_554.74 NTSC-J (Japan): SLPS_259.12

Difficulty: Moderate (Requires additional tools)

However, there is a common pain point for every player:

If you’ve been grinding through Naruto Shippuden: Ultimate Ninja 5 on the PS2, you know how long it takes to unlock all 60+ characters, secret support conversations, and the final boss battles in Ultimate Road mode. Good news – I’ve got a complete save file ready for you.

He navigated to the browser. There it was: a tiny, pixelated icon of Naruto’s face. He clicked "Load."