Note: DLC usually comes as separate PKG files or included in "Complete Edition" releases.

You're looking for a guide related to "Metal Gear Rising: Revengeance" on the PS3, specifically in PKG format. Here's what you need to know:

The PS3 version of Revengeance is notorious for its performance, but the PKG (digital) version often runs slightly smoother than the disc version due to faster read speeds from the PS3's internal Hard Disk Drive (HDD).