And it all starts with a .pkg.
: Some .pkg files are small (approx. 1MB) because the DLC content (like the Blackbox park) is already in the game files; the package just acts as a "key" to unlock it. File Structure & Technical Details
Enable this if you experience cracking or popping noises during gameplay. Installing Skate 3 DLC and Updates via PKG
To legally use a on RPCS3, you must satisfy one of the following conditions:
Alternatively, you can drag and drop the RAP file directly into the dev_hdd0/home/00000001/exdata/ folder inside your RPCS3 directory.