A PKG file is the format used for digital distribution. These are already "packaged" for installation. While you can convert an ISO to a PKG for digital installation on a hacked console, this process involves "resigning" the executable files (EBOOT) to allow them to run without the disc. This process does not compress the data but rather restructures it for the hard drive.
To play these games, you must return them to their original size. Follow this step-by-step process to safely extract and install your files. Step 1: Download and Install 7-Zip ps3 highly compressed games
The PlayStation 3 remains a legendary console with a massive library of masterpiece titles. However, with file sizes for games like God of War III or The Last of Us soaring up to 40GB, storage management is a massive headache for emulation enthusiasts and modded console users alike. A PKG file is the format used for digital distribution
Always use official, open-source tools like 7-Zip to extract files. Avoid installing proprietary "extraction managers" provided by shady download sites. This process does not compress the data but
: A newer development in the emulation scene. Tools like Simple Launcher are beginning to support virtual mounting of CHD files for RPCS3, offering significant space savings.
Will you be playing on an or a PC emulator (RPCS3) ? Does your PS3 use Custom Firmware (CFW) or PS3HEN ? Are there specific game titles you are trying to optimize?