MGS4 doesn't have multiple languages on 1 disc.......

[Kasz216]

iclim4 said:
MGS games usually lasts for less than 20 hrs.
That is a lot of space.
Imagine FFXIII coming in 2 Blu-ray discs... That would be fucked up.

 Maybe this game is a lot longer... or like HS they are using loseless audio.  I assume MGS4 will have way more sounds then HS did.