Complete a predator encounter using only silent takedowns in the Main Story

Identify Black Mask's assassins

Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan

Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Zip Kick 5 different thugs

Clean up the Dry Docks

No crimefighter should be without this

Retrieve your stolen goods

Drop in on an old friend

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

Find someone to play remote Batarang catch with

Obtain all 108 medals on the original Arkham City campaigns (as Batman)