Talk:Nero Festival Redux ~2017 Autumn~/@comment-31574368-20170905224317/@comment-27971189-20170906061507

Clear cache is useful to clean 'junk' data that cause the size of app keep getting larger.

FGO actual game size is about 700 MB by now. The size of the game reaching 2 GB because the game never deletes event data (because history section in player room); for example, both Dead Heat Summer Race took about 500 MB, that's already 1.2 GB total.

So if you have no intention re-reading event story and in dire need of space, you can delete the excessive data through Clear Cache to return the game to its original size (Servants + Story + Dailies). You need to redownload the 700 MB which for some people is much better than having 2 GB that keep increasing.