The 3rd Birthday is a PSP action RPG (a Parasite Eve sequel). Save data ( .dat files) stores:
The 3rd Birthday (Parasite Eve prequel) Platform: PlayStation Portable (PSP) Region: [US / EU / JP – specify yours ] Save Type: Endgame / New Game+ Ready 3rd Birthday Psp Save Data
Ensure the downloaded folder name matches your game’s region ID (e.g., don't put a folder into a European Copy to PSP: Move the extracted folder into the PSP/SAVEDATA/ directory on your memory stick. Note on Overwriting: The 3rd Birthday is a PSP action RPG (a Parasite Eve sequel)