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Levels are massive in packaged project

I'm packaging my project for Android ETC2 and I'm noticing that my levels are taking up about 85% of the entire package size. I have about 50 small levels. The OBB is about 400mb with them all but 50mb with just 1 level. Lighting is baked in the levels but lightmap resolution is low and even packaging without lighting built doesn't seem to change the file size much at all.

Could anyone shed some light on this? Maybe I'm missing a setting in project settings somewhere? Or does anyone know what normally causes a saved level file to be large? My assumption would have been lightmaps, but as I mentioned it doesn't seem to be that.

Thanks, joe

Product Version: UE 4.13
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asked Sep 15 '16 at 09:01 AM in Packaging & Deployment

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Hey Joe,

Here is some vital information about packaging on a mobile device and game development in general. Hopefully it'll shed some light on the size of your packaged project.

Mobile Game Development | Performance Guidelines for Mobile Devices | Content Creation for Mobile Platforms | Reducing APK Package Size | Mobile Performance Tips and Tricks

Good luck!

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answered Sep 16 '16 at 10:14 PM

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