In conclusion, the PS3 and PS4 are not siblings but distant cousins with incompatible native languages. The PS3’s unique Cell architecture creates a one-way door: games designed for it cannot be mechanically repackaged into a native PS4 PKG. Any workaround is an emulation hack, not a conversion, and comes with significant technical and legal caveats. For gamers hoping to preserve PS3 libraries, the most practical solution remains keeping the original hardware or investing in PC-based emulation (RPCS3), which continues to advance beyond what the PS4 can ever achieve.
While you cannot "convert" the game itself, you can manually transfer save files for specific titles like from a PS3 (or RPCS3) to a PS4 version: Extract saves from the PS3/RPCS3 (files like Use a jailbroken PS4 with Use a tool like PS4 Save Mounter to inject the PS3 data into a native PS4 save slot. Hardware Compatibility Summary PS3 Disc on PS4 PS3 PKG on PS4 Native Support No (reads as "Unsupported Disc") Workaround Remote Play or Streaming Linux Emulation setting up Linux on a jailbroken PS4 for emulation purposes? RPCS3 | How to add / load games EASY in 2025 (ISO, pkg) convert ps3 games to ps4 pkg