It is set one year after the events of Arkham City where Batman is at the peak of his power and several villians invade Gotham City to take him down. (elder-geek.com)
You don't want to be multitasking with your equipment in Arkham City as fight is occurring on screen. (nonfictiongaming.com)
With so much game packed onto this disc, it'll have you scaling the vertical landscape of Arkham City for easily 40 plus hours. (playstationlifestyle.net)