Two-Face and the Riddler are creating havoc at the circus, and Batman and Robin need your help! Its up to you to defeat Two-Face, then make your way up and across the tightrope to stop the Riddler and his brain-sucking machine before he steals the audiences brains! But hurry: If the Riddler turns over all the crowd cards and captures their brains, he wins the game! - BoardGameGeek