Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Play in the swimming pool on the Cruise Ship

Defeat 30 enemies with the Mk-NDI

Defeat 30 enemies with the Arm Micro

Successfully counter all of a Brute’s damage-giving attacks

Defeat 20 enemies with hand-to-hand combat

Stop all assaults in Arkham City

Rescue the second hostage from Riddler

Collect enough evidence to locate the gun for hire

Destroy it all

All the world is a stage

Steal the score of a lifetime