Wrecking Ball
Stop the unstoppable
Gladiator
Last man standing
Communication Breakdown
Clear the airwaves
Arkham City Sirens
Drop in on an old friend
One-Armed Bandit
Hammer the point home
Chimney Sweep
There is only one way in
Savior
Save the medical volunteers
Acid Bath
Save the damsel, but is she in distress?
I'm Batman
Become the Bat
Flying Colours
Get your A Class License
Conundrum Cracker
Solve 55% of Riddler challenges
Big Bang
Deliver an explosive knock out blow to the Joker (Easy difficulty)
Bigger Bang
Deliver an explosive knock out blow to the Joker (Normal difficulty)
Party Pooper
KO all the henchmen celebrating your arrival at the party
Must Try Harder
Get your B Class License
Duckin' and Weavin'
Win a Marked Man without being taken down
Rampage!
Get a Takedown Rampage
Poisoned Ivy
Defeat the giant Titan Ivy plant
Freeflow Combo 20
Complete a combo of 20 moves (any play mode)
Freak Show Rodeo
Ride a Titan henchman and knock down 5 thugs (any play mode)