Most major titles that were released digitally use this format, including: The Last of Us (2013) Grand Theft Auto V (2013) Uncharted 2: Among Thieves (2009) Metal Gear Solid 4: Guns of the Patriots (2008)
A .pkg (Package) file is the standard format used by Sony to distribute digital content via the PlayStation Network (PSN). It acts like an installer—similar to an .exe on Windows or a .dmg on Mac—containing the game data, updates, or DLC required to run on the system. games pkg ps3
