No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

Batman: Return to Arkham - Arkham city

Batman: Arkham City sends players soaring into Arkham City - a heavily fortified sprawling district in the heart of Gotham City. Batman Arkham City introduces a brand-new story that draws together an all-star cast of classic characters and murderous villains from the Batman universe.