Ride Titan henchman and knock down 10 thugs (any play mode)

Catch a Batarang (any play mode)

Defeat two Titan Henchmen at once

Save Dr. Young from being killed by Victor Zsasz

Solve 10% of Riddler challenges

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

Defeat Bane

Save all the doctors in Medical

Complete a combo of 10 moves (any play mode)

Rescue the guards and henchman from the Joker toxin in Decontamination

Complete a combo of 5 moves (any play mode)

Knock over all rock cairns in Madagascar

In Terminus, consume a fish cooked with a special ingredient