Conquer the effects of the Scarecrow's fear gas

Defeat Titan henchman without using Batarangs (any play mode)

Solve 55% of Riddler challenges

Save Dr. Young from being killed by Victor Zsasz

Solve 40% of Riddler challenges

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

Survive the nightmare of the Scarecrow's fear gas

Solve 25% of Riddler challenges

Glide continuously for over 100m

Escape from Intensive Treatment to the island surface

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

Rescue the guards and henchman from the Joker toxin in Decontamination