A post on the official Final Fantasy XIII website has had a challenge for intrepid fans to solve, and solve it they did.
"Solve this anagram to find out what lies ahead: A Henchmen Inventor Tent Unto. Check back Monday for the answer!" read the site.
Milliseconds later, a few members of FinalFantasyXIII.net's forums put their heads together and overcame Square Enix's brain teaser. "Announcement Nov Thirteenth" was their verdict.