Battle Stadium Don Save Data -

If you turn off your PlayStation 2 (or emulator) immediately after unlocking a character but before triggering a save event, you will lose all progress. Always return to the main menu and enter/exit the Shop to force a save.

: Speedrun.com offers "Blank Splits" and 100% saves for competitive testing. 4. How to Unlock Characters (The Legitimate Way) battle stadium don save data

If the above methods don't work, you can try manually recovering your save data. This method requires technical expertise and specific tools. If you turn off your PlayStation 2 (or