<b>Where all compulsions meet.</b><br><br>In 1920, following the death of his disturbed mother, brilliant psychologist Amadeus Arkham began the conversion of his ancestral home into a hospital for the treatment of the mentally ill.<br> <br>More than half a century later, the Arkham Asylum for the Criminally Insane is a place of dismal corridors and oppressive shadows—a dark riddle in stone and timber, best left unsolved.<br> <br>Within its claustrophobic walls the demented and deformed enemies of the Batman brood in padded cells and unlit cellars, dreaming of a day when they might rise up and overthrow the world of reason.<br> <br>That day has finally come.<br> <br>It is April 1st, and the lunatics have taken over the asylum. Led by the Joker, Arkham’s inmates issue a terrible ultimatum to the man responsible for their imprisonment.<br> <br>The Batman must descend into this heart of darkness, confront his greatest foes, and face the truth of hi