: A legacy container often used for loose files like fonts.
The file is part of the system introduced in Unreal Engine 4.26 and 5. To work correctly, it typically requires three companion files in the same folder: .ucas : The actual asset data (the largest file). pakchunk20-SaturnClient.ucas
: A digital signature used to verify the file's authenticity. Important Considerations Unleash Saturn V3: The Ultimate Fortnite Skin Changer : A legacy container often used for loose files like fonts
: This specific file likely contains the "swapped" visual data that allows you to see a different skin (e.g., a rare or unreleased outfit) in place of a basic one you already own. How it works technically : A digital signature used to verify the file's authenticity
: The "Table of Contents" used by the game to find specific items within the .ucas .
: While standard Fortnite files are named pakchunk[Number]-WindowsClient.ucas , files with "SaturnClient" in the name are generated or modified by Saturn Swapper .