Whether you are hunting for the secret ending or just trying to unlock the gym outfit, treat your like gold. It is the only thing standing between you and the horrific "New Game from Scratch" screen. Have a specific save data issue not covered? Check the comments section below or visit the /r/ParasiteEve subreddit for community help.
A: No. This is the most hated feature of The 3rd Birthday. You must complete Easy to unlock Normal, complete Normal to unlock Hard, and complete Hard to unlock Deadly. Your save data tracks which difficulty you beat . Download a "Full Unlock" save if you want to skip this. 3rd Birthday Psp Save Data
Every time you beat a chapter (especially Chapters 4 and 5, which are very long), make a manual backup of your ULUS10563SXX folder to your PC or cloud storage (Dropbox/Google Drive). A 1MB file takes two seconds to upload but saves ten hours of replaying the Chrysler Building level. Whether you are hunting for the secret ending