Complete story mode on Normal difficulty

KO all the henchmen celebrating your arrival at the party

Catch a Batarang (any play mode)

Solve 40% of Riddler challenges

Conquer the effects of the Scarecrow's fear gas

Defeat Titan henchman without using Batarangs (any play mode)

Solve 25% of Riddler challenges

Face your biggest fears and keep your sanity

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

Defeat Bane

Save all the doctors in Medical

Solve 5% of Riddler challenges