Batman fans may be interested to know that Britain's largest supermarket, Tesco, have secured exclusive content for the upcoming Batman: Arkham City. The 'Joker's Carnival Challenge Map' is available to all fans who pre-order and purchase the game either in-store or online.
Ordinarily, pre-order bonuses are nothing to write home about, but Tesco's exclusive content is said to add a whole four hours to the game. Not only that, all pre-orders through the surprisingly generous retailer will be upgraded to a steel-book edition for the same price.
Batman: Arkham City is being released on the 21st of October for Xbox 360, PS3 and PC.