[Update]Namco Bandai teases new game

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Countdown teaser Nanco Bandai released a new teaser site with just an X pulsating over and over. It's for an unannounced title and to what it could be - We have no idea. If I had to guess, it could  Tekken X Street Fighter maybe? Or simply a brand new IP.

[UPDATE] - If you check the site again, you can see they added some text with the Playstation's buttons. The text says action adventure and the Playstation logo hints that this will be a Playstation 3 exclusive. So much for my guess.

Other than that, I have no clue what this could be. What do you guys think?