Awesome

Decrypts Rocket League UPK files.

Works as of 2018-06-11 with packages using engine version 868 and licensee version 22 or 20.

Provide a list of upk files over the command line or drag and drop files.

Opening the UPKs

The current version of umodel doesn't support the changes in Rocket League's file format. You can find a modified version that does here. You must to use the command line flag "-game=rocket".