I think you can delete unused assets. For me i was able to get reduce from 3 gb to 80 mb like that just by reusing same material with some modification and deleting unused assets.
Viewing post in Packaged game very large!
I have gone through all of that... I'm using quite a few and some of their textures are chunky. Not sure how to reuse materials as some textures are unique to the assets they are connected with.
I'm having a separate issue. the way UE packages the game, it creates one massive file, that is over the 100MB limit for itch.io apparently. So now have to learn how to use this thing called butler... in just a few hours.