Batman: Arkham Asylum - Platinum is an action game designed to be played on the Sony PlayStation 3 platform. It features an M rating, for mature audiences, from the Australian Classification Board. This game takes place in Arkham Asylum, located on the outskirts of Gotham City. The legally insane foes of Batman are incarcerated in the asylum, and the Joker is notorious for escaping captivity. This Sony PlayStation 3 video game includes several characters who have off-the-wall illnesses or mental conditions, and most of the criminals imprisoned in Gotham City or Arkham asylum are deemed criminally insane. Batman and his crew of do-gooders are posed with many problems to keep the city safe.