Legally, you should dump the ISO from your own PSP discs. Search for the .iso or .cso file of the titles mentioned above.
Have you fallen for a fake “God of War 4 PSP ISO” scam? Share your story in the comments to warn others. god+of+war+4+ppsspp+iso+file+download+work
Downloading "God of War 4 ISO" files from unknown sources is one of the fastest ways to infect your device with ransomware, spyware, or adware. Legally, you should dump the ISO from your own PSP discs
: This title was released for PS4 and later ported to PC, but never for the PSP handheld. Real God of War Games for PPSSPP god+of+war+4+ppsspp+iso+file+download+work
: You need the original Ghost of Sparta or Chains of Olympus ISO file.