The Sims Ps3 Pkg =link= -

On a standard PS3, simply possessing the PKG file is insufficient to play the game. The console checks for a valid license file (stored in the user directory of the XrossMediaBar file system) linked to the user's PSN account. This tie-in is what prevents piracy: the data is useless without the cryptographic key to unlock it.

Installing a PKG file requires specific tools to ensure the console recognizes and processes the large game files. The Sims Ps3 Pkg