Save Dr. Young from being killed by Victor Zsasz

Gain access to Arkham Mansion after it is locked down by the Joker

Survive the nightmare of the Scarecrow's fear gas

Solve 10% of Riddler challenges

Escape from Intensive Treatment to the island surface

Take down Zsasz in the Patient Pacification Chamber

Complete a combo of 5 moves (any play mode)

Find 12 workbenches

Learn all player upgrades in one branch

Reach Whittleton Creek Mastery Level 15.

Stay covert by scanning primitive human thoughts

Invade Rockwell

Destroy a human with a weapon and another with a psi ability at the same time