A PKG (Package) file is Sony’s proprietary installation format for firmware updates, themes, and games. On both PS3 and PS4, when you install a game from the PlayStation Store, you are installing a PKG file. Homebrew developers have learned to create custom PKG files that can be signed and installed on modified consoles.
This only works for games that developers actively ported. Obscure games or titles trapped in licensing limbo will not have a PS4 PKG equivalent. consolemods.org ps3 to ps4 pkg install
This article was last updated in 2025. Always check current homebrew forums (e.g., /r/ps4homebrew, PSX-Place) for the latest tools, as the scene evolves rapidly. A PKG (Package) file is Sony’s proprietary installation
If you own specific PS3 games that were part of the , you can redeem the code from your PS3 disc case on the PlayStation Store to download the native PS4 version of that game. This is only available for a very limited list of titles (e.g., Assassin's Creed IV , Battlefield 4 ). This only works for games that developers actively ported
: Go to Pads in RPCS3 and set the handler to DualShock 4 to use your controller. Alternative: Official Digital Upgrade
If you want to play PS3 titles on a PS4 without modding, you must use Sony’s official alternatives: PS Plus Premium: Subscribe to the PlayStation Plus Premium
