File Name: Batman Arkham City - Riddler Hostage 5 - Brainteaser 40G File Submitter: EyesOnlyFile Submitted: 26 Mar 2013 File Category: Xbox360 Load and Pop Saves Batman and Catwoman Story Completed on Normal and Newgame plus unlocked. Riddler Hostage 5 - Brainteaser - 40G Rescue the fifth hostage from Riddler. Complete the Riddlers room to rescue the hostage and the achievement will unlock. Click here to download this file