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

Glide continuously for over 100m

Survive the nightmare of the Scarecrow's fear gas

Solve 10% of Riddler challenges

Solve 5% of Riddler challenges

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Apprehend Scarecrow's senior commander.

Destroy all of the militia checkpoints.

End the League of Assassins' war.

Follow the assassin's trail.

Gain access to the high security area.

Lock up Mad Hatter in GCPD.