The Batman Inc. costume skin will be coming to the Xbox Live marketplace, along with the PlayStation network and Games for Windows Marketplace tomorrow.
Rocksteady has also announced a code which allows gamers to choose any skin they want without the need to complete the game, however you will have to have acquired the skin first to be able to choose it.
“We also know you want to deliver justice on the streets of Gotham as Batman in your favorite skin, any time and all the time,” game director Sefton Hill said.
All you have to do is type in the cheats below and then choose the Batsuit that you would like to wear.
Batman: Arkham City Skins Unlock Cheat Code
Simply press the following combination on the Main Menu screen (after you have selected your save slot):
– Left, Left, Down, Down, Left, Left, Right, Up, Up, Down.
You should then get audio confirmation and when you continue playing the game you will be able to choose the skin.