Extract your downloaded game zip file so you have the raw .ISO file. Move the .ISO file into your PSP Games folder. Open PPSSPP, browse to your folder, and boot the game. Option B: Playing on Original PSP Hardware (CFW Required)
ISO files must be placed directly into the ISO folder at the root of your memory stick. PPSSPP Emulator (PC, Android, iOS) anime battle royale psp games download link