Disclaimer: Modifying your console firmware and installing unsigned PKG files can violate Sony's Terms of Service. Always ensure you own the retail copies of the games you are backing up.
The primary way most players experience these titles on modern hardware is through the Metal Slug Anthology or individual ACA NeoGeo releases. However, the PKG format specifically refers to the package file used by the PS4 to install applications and games. Evolution of Metal Slug on PlayStation
Hamster Corporation has released individual, arcade-perfect ports of the original Neo Geo games under their ACA NeoGeo banner. You can find dedicated PKG files for Metal Slug 1 through Metal Slug 5 . These versions are highly praised for their low input lag and robust display settings (including scanline filters to mimic old CRT televisions). Key Features of Metal Slug on PS4 Metal Slug Ps4 Pkg
Backup legally owned digital titles to external storage devices.
A USB drive formatted to FAT32 or exFAT is required. The PKG file is placed in the root directory of the drive. However, the PKG format specifically refers to the
. Note that this is a PS2-on-PS4 port, so it features the original
Metal Slug XX: An enhanced version of Metal Slug 7 originally for PSP/XB360. These versions are highly praised for their low
Once installed, the game appears on the main PlayStation Dynamic Menu with its own custom icon, splash screen, and background music, operating identically to an application downloaded from the PlayStation Network. Conclusion
As of 2026, the PS4 jailbreak scene supports a wide range of firmware versions. According to consolemods.org, most firmwares between 4.05 and 11.00 can be jailbroken. The most stable and widely used firmware versions include: