Monkey Caves finished

First Action Part collected

String up one henchman and drop him to surprise a second (any play mode).

Perform a perfect combo including all of Batman's combat moves (any play mode)

Defeat Titan henchman without using Batarangs (any play mode)

Spirit of Amadeus Arkham revealed

Solve 85% of riddler challenges

Solve 55% of riddler challenges

Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Dodge the runaway streetcar during Chapter 2.

Complete the Vestibule.

Execute a Wicked Weave attack while using Dodge Offset.

First kill with a Nail Bat.