1 computer optical disc : sd., col. ; 4 3/4 in + 1 manual (15 p. : ill. ; 18 cm.)
System requirements : Xbox 360 with NTSC designation; 120 KB to save game; HDTV 720p/1080i/1080p ; Dolby Digital.
Online requirements: paid subscription required for online multiplayer; some LIVE services and downloads require additional hardware and/or fees.
Title and edition statement from disc label.
Written by Paul Dini.
Featuring the voice talents of Kevin Conroy and Mark Hamill.
ESRB content rating: T for Teen (alcohol and tobacco reference; blood; mild language; suggestive themes; violence).
Descend in the core of the criminally insane as The Joker launches his most diabolical plot ever. The inmates of Arkham Asylum have been set free--and it's up to Batman to bring order to the chaos and take back the asylum.