Dirt 3 Ps3 Pkg ((link)) -

Released in 2011 by Codemasters, DiRT 3 is the third entry in the acclaimed off-road franchise. It is celebrated for its stunning visuals (rendering at 720p on PS3), a refined physics engine, and the introduction of —a stunt-based driving mode made famous by Ken Block. Face-Off: DiRT 3 | Digital Foundry

In the context of the PlayStation 3, a is essentially an archive or installer format used by Sony to distribute content. When you buy a game from the PlayStation Store, the console downloads a PKG file and installs it automatically to the hard drive. Dirt 3 Ps3 Pkg