Three reasons:
mkisofs -udf -full-iso9660 -iso-level 3 -o game.iso GAMEID_FOLDER/ how to convert pkg to iso 2021
On rare occasions, a developer might release software in a .pkg format that is simply a compressed archive. In this case, the conversion is actually an extraction. Three reasons: mkisofs -udf -full-iso9660 -iso-level 3 -o