What could it be?

The Japanese website for Shin Megami Tensei IV has been recently updated with a very curious image of a stone wall accompanied by some text which apparently says something to the effect that in 15,000 tweets a disaster will occur. This could be anything related to the series, but do keep in mind that a representative from ATLUS recently stated at the Tokyo Game Show that "we'll have a brand new title to announce very soon."

Here's the official tweet from ATLUS' Twitter page:

If you'd like to retweet this and contribute to the campaign, here's the link.

What do you think this could be? Is there a new Shin Megami Tensei coming soon? Or will this be something else, like a port or remake? Share your thoughts in the comments below.

[source gematsu.com, via siliconera.com]