User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-101.160.189.68-20130110054144/@comment-92.20.200.244-20130110140051

Seems likely, I swear on one of the preview vids they had bubbles in a cave, implying underwater.

Also lol@impossible, so tri and 3G/3U didn't happen then?