Joystiq has got an image of an entry in Wal-Mart's intranet, known as "The Wire", showing a listing for Halo "Blue". The unknown game is apparently due for release on September 30.
No more details are available at this time, but with Microsoft's E3 press conference just hours away, we're sure we'll get some kind of answer this evening.
More through the link.
By Mike Bowden