This is an example of environment concept art for a game. This is concept art for Batman : Arkham Asylum. I really like the look of this concept art because it places you in the perspective of the enemies rather than Batman.
Flashpoint - Batman: Knight of Vengeance. "This is an alternate universe where Bruce Wayne died instead of his parents. Causing His father Thomas Wayne to become Batman and his mother Martha to go insane and become the Joker.