Modders often "backport" games from older systems or create custom packages that can be recognized by PS4 consoles running custom firmware (CFW).

To summarize the search query :

: While you may find sites listing "Blur PS4 PKG" files, these are generally not native ports. In the homebrew community, these are often: PS3 to PS4 Emulation/Porting

: Some advanced users run Linux on a jailbroken PS4 to use the RPCS3 emulator to play the PS3 version of , though performance can be unstable. The "Blur 2" Prototype : There are leaked prototypes of the cancelled sequel,