During PAX East this weekend, the release date was officially announced for the hyped Rocksteady Batman title. First posted on Eurogamer announcing the release date for Europe: October 21st. Later on, Joystiq announced the dates for North America and Australia: October 18th and October 19th.

Yesterday, VG247 released some concept art for Arkham City. Featuring, of course, the Caped Crusader and Harley Quin; the art shows how dark they are aiming for the game to be. With Arkham Asylum being such a hit, expect the same or more batty fun in this fall release.

Batman: Arkham City is due out on the PS3, Xbox 360 & PC. Look for more announcements about the game come E3. Check out the concept art below:

Announcement Please!

(VG247 & VG247) After Geoff Keighly posted a tweet saying that there are “around 10 games still unannounced“, people have begun speculation of which companies these games have come from. On Daniel Roy’s Tumblr account, he has a post saying that he is indeed a Senior Producer on an unannounced original IP.

As for speculation on what kind of game that it is, it will most likely a shooter since he has worked on previous games such as Splinter Cell: Double Agent and Ghost Recon 2 from Ubisoft according to his LinkedIn. With the recent release of Dragon Age: Origins, now more workers from Bioware will have time to focus on this new project. But speculation still rises: will this secret game be revealed at the 2010 VGA’s?