: Titles like Bloodborne , The Last Guardian , Gravity Rush 2 , and Shadow of the Colossus Remake remain definitive reasons for preserving PS4 libraries.
PKG files are the standard package format for PlayStation 4 digital content. When you search for "exclusive" archives, you are typically looking for titles that were only released on the PS4 and may be harder to find elsewhere.
: Many preservationists upload "FPKG" (Fake PKG) collections to Internet Archive to ensure long-term availability of games. How to Install PKG Games on PS4
To use these files, your console must be running homebrew software like . Install PS4 Games Without Remote PKG Installer | Tutorial