: Use a tool like RePKG.Neo to extract the files into a new folder.
: Many of these tools are flagged by antivirus software as "hacktool" or "riskware" due to their association with piracy. Download and use at your own risk. Scene.pkg Unpacker
At its core, the tool acts as a bridge between encrypted or compressed archives and the end-user. In the context of game development and distribution, : Use a tool like RePKG
Deliverables & features to implement (minimal viable unpacker) Scene.pkg Unpacker