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The Fourth Horseman Complete 'Game Over' on Veteran difficulty.

Something Fishy Don't feed the animals! Or do, they're adorable.

Ten plus foot-mobiles Kill at least 10 enemies with one Predator Missile.

Houdini Got arrested three times and escaped each time.

Cut & Run Burke agreed to help you kill Marcano

Deep and Hard Complete the game on Hardened or Veteran difficulty.

The Cat and the Bat Obtain a key by completing the third Riddler trial.

Master of Fear Wayne vs Crane.

Jekyll & Hyde Stop the bank heist on Miagani Island and lock up the master mind in GCPD.

The Ultimatum Complete 'Ultimatum', 'All In', and 'No Fighting in the War Room' on Veteran difficulty.

Aiden's Apocalypse Destroyed the gas station, the church, the gun store and the helicopter.

Double Jeopardy Face off with an old friend.

Minigame Megalomania All minigames found!

Cycle of Violence Use 100 Quick Gadgets while in free flow combat.

Soap on a Rope Storm the gulag.

Unnecessary Roughness Use a Riot shield to beat down an enemy.

Insurance Risk Escaped a Police Zone after being chased for 2 minutes

Saved All Saved every character that could be saved.

Some Like it Hot Kill 6 enemies in a row using a thermal weapon.

Power Couple You are unstoppable, nothing stands in your way!

Desperate Times Execute the plan to help the Americans.

Riddler on the Rampage Obtain a key by completing the fourth Riddler trial.

Fish Gotta Eat You helped Vito capture Michael Grecco

One Good Turn Made a 180 degree turn at high speed without hitting anything

Whiskey Hotel Take back Whiskey Hotel.

The Cult Save the sacrificial victim and lock up the executioner in GCPD.

Mile High Club Sky dive to safety on Veteran difficulty.

Out of the Frying Pan... Complete the mission in the airplane graveyard.

The Pawn Assault Makarov's safehouse.

For the Record Complete the single player campaign on any difficulty.

The Burning Question Obtain a key by completing the fifth Riddler trial.

Next Time Swim Faster Got eaten by an alligator

The Primal Riddle Obtain a key by completing the sixth Riddler trial.

Scar of the Bat Cure the doctor.

Weapon Master Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.

Days of Fire Extinguish the fires in Gotham City.

It's a Brave New World You turned the Butcher over to Burke

Together Till the End Finished the game in Duo mode.

Savage Metal Smash 10 militia transport vehicles off the road without using the immobilizer.

Racketeer Got the maximum earn from one of your Rackets

Touch of Death Apprehend the weapons dealer and lock him up in GCPD.

Recovered Supply Raider Complete a game of Supply Raid on Wharf, Capitol, Water Tower or Coal Mine

Forsaken Supply Raider Complete a game of Supply Raid on Bookstore, Home Town, Suburbs or Bus Depot

Best of the Best Beat IW best time on the Ship Training course in 'F.N.G.' (15.1 sec).

Death by Design Obtain a key by completing the seventh Riddler trial.

The Monster Machine Track down and apprehend the serial killer.

The Road Home Destroy all of the militia APC's.

The Riddle Factory Obtain a key by completing the eighth Riddler trial.

Don’t Go - Normal Finish Left Behind on Normal

Foe To Friend Use an enemy combat robot to kill 10 enemies.