Concise recommendation
: Official PSN PKGs often require a corresponding .rap file (license) to be placed in the folder on a USB drive to activate the game. Performance on PS3 Resolution
: This is the most common way to use a PKG file. You must have PS3HEN or Custom Firmware (CFW) installed. You can convert a standard PS2 ISO into a PKG format using tools like PS2 Classics GUI or download a pre-made "PS2 Classic" PKG from homebrew communities.
Concise recommendation
: Official PSN PKGs often require a corresponding .rap file (license) to be placed in the folder on a USB drive to activate the game. Performance on PS3 Resolution
: This is the most common way to use a PKG file. You must have PS3HEN or Custom Firmware (CFW) installed. You can convert a standard PS2 ISO into a PKG format using tools like PS2 Classics GUI or download a pre-made "PS2 Classic" PKG from homebrew communities.