Save files are "Region Locked." A North American (NTSC-U) save will not work with a European (PAL) or Japanese (NTSC-J) copy of the game.
, allowing for immediate purchases of items and support tools. The "Un-unlockables" Naruto Shippuden Ultimate Ninja 4 Ps2 Save Data
Encountering a black screen or corruption? Here is the fix. Save files are "Region Locked
: A PS2 with Free McBoot (to run homebrew), a USB drive (FAT32 formatted), and the uLaunchELF tool. a USB drive (FAT32 formatted)