Save files themselves are not illegal because they contain no game code (ROMs). They are simply user-generated configuration data. However, distributing modified repacks that include "modded characters" (e.g., playable Kurama) may violate the software's EULA.
(trusted by retro community):
Naruto Shippuden: Ultimate Ninja 4 (PS2), a save data "repack" typically refers to a pre-packaged 100% complete save file designed to bypass the extensive grind required to unlock all 52 playable characters
However, for many modern players returning to the PS2 or using emulators like PCSX2, the grind to unlock all 52 characters—including the elusive Fourth Hokage or the full transformation of the Cursed Mark characters—can be daunting. This is where a becomes an essential tool for your gaming library. What is a Save Data Repack?
: Bypasses the need to complete tedious tasks like Ebisu’s Quiz or Kakashi’s Race.
Save files on the PS2 are region-locked. You must match the save data format with your game disc or ISO file region, or the game will not recognize the data. Game Region Save File ID Code Common Format SLUS-21874 .max , .psu , .cbs Europe (PAL) SLES-55436 .max , .psu Japan (NTSC-J) SLPS-25754 .vme , .psu How to Install Save Data on PCSX2 (PC Emulator)
: Reduces the need to wear out original PS2 laser drives by allowing quick loading from hard drives or USB setups via Open PS2 Loader (OPL). Common Save Data Formats Explained
Think of it as a pre-configured "New Game Plus" mode, but one that can be added to your game at any time.
The Ultimate Guide to Naruto Shippuden: Ultimate Ninja 4 PS2 Save Data Repacks
Open and locate your PCSX2 virtual memory card (usually found in the memcards folder of your emulator directory).
One of the most common issues occurs when the PS2 or emulator doesn't recognize the transferred save file. This frequently results from incorrect format conversion or incomplete file transfers. Users have reported that even after successful file transfer using tools like XP5, the memory card may only display generic XP icons rather than game-specific save data—indicating corruption or incompatibility.
You can fix this by renaming the internal root folder of the save file using a hex editor or a PS2 save manager: SLUS_218.82 Europe (PAL): SLES_554.49 Japan (NTSC-J): SLPM_667.18