User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-115.84.140.15-20120928155831/@comment-4212769-20120928160158

Probably this is too much data for 3DS with all the new features MH4 brings. The A.I.s of the monsters are said to be more complex (means bigger), too. So I'd say this is too much data to also put underwater in.