Open all vaults in Tide of Terror.

Have 12 murderous dates with Calendar Man

Perform a perfect combo including all of Batman's combat moves (any play mode)

Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Obtain 36 medals on the original Arkham City campaigns (as Batman)

Survive Birth

Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Jump off the tallest building in Arkham City and glide for 1 minute without touching the ground.

Complete New Game Plus

Use 5 different Quickfire gadgets in one fight (any play mode)

Rescue the fifth hostage from Riddler