Final Fantasy 13 - 18.3GB optional Install for Xbox 360

[Lastgengamer]

leo-j said:
so the entire game is around 19GB

Well according to this link 13GB was cut or was it compressed so add that to this and you get 31.3 GB of data.

http://the13thcrystal.com/2009/12/20/xbox-360-version-ffxiii-loses-13gb/