Achieve 50 critical shots on light tanks.

Obtain a key by completing the third Riddler trial.

Perform 20 fear takedowns.

Destroy the first weapons cache in Gotham City.

Rescue Mad Hatter's second hostage.

Obtain a key by completing the second Riddler trial.

Restore power to the bridges of Gotham City.

Rescue the ACE Chemical workers.

Successfully complete the first Riddler trial.

Perform 5 perfect shots in a row with the Vulcan Gun without taking damage.

Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Complete New Game Plus

Defuse all bombs in 3 minutes or less