Slug Ps4 Pkg: Metal

Yes. If you own a low-firmware PS4 and want to archive every Metal Slug game on one internal drive—or play fan-made difficulty hacks—the PKG route is the only way.

If you're looking for a PKG file for Metal Slug on PS4, I couldn't find any direct links or information on how to obtain one. However, you can try checking the PlayStation Store for the Metal Slug Collection, which should be available for download. Metal Slug Ps4 Pkg