The Backup Loader 0.3gamma compatibility list says One Piece Unlimited Adventure is compatible, but no 1:1.
I tried to use USB loader 1.1 with the ISO, then burned 1:1 to a DVD (booktype to DVD-ROM) and then burned the decrypted ISO.
The three tries returned a green screen.
The ISO region is...
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.