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Dial B For Bomb You unlocked the special ability of Packie's car bomb placement.

Short Out Defeat the Stalker in under 60 seconds

Another Brother Falls You survived the drive into Sinclair Parish

Bull in a China Shop Freeze and melee kill 3 Ravagers

Twice Nightly Complete New Game Plus

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Cleaned The Mean Streets You caught 20 criminals through the police computer.

The Last Laugh The joke's on who?

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

Nothing But Net Score a basket by lobbing a grenade through a basketball hoop

Fireworks Use the Wildfire secondary fire to kill 6 enemies in one shot

Boom Stick Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Bringing the Pain Defeat 50 players using physical attacks in Versus.

A Little Closure You investigated the cult's activities at Sammy's

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

Sub Machine Gun Storm Campaign: 50 kills with sub machine guns

Creature of Habit You investigated the scene

Bag lady Find all three hidden bags in one chapter

The Final Countdown You showed millionaire Hugh Darrow that his logic was flawed.

Kickin' Up Dust You helped MJ and Roxy get the Witnesses free

Beside Yourself Awarded for completing 100 side quests.

Ain't Nowhere Safer You captured Slim Beaumont

Master Mechanic Fully upgrade all weapons in Campaign Mode

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

Chain Reaction You exploded 10 vehicles in 10 seconds.

Treasure Master Collect 200 treasures in Scenario Campaign Mode.

Corporate Warfare Protect a client's interests by performing a less-than-hostile takeover.

Into the Den Complete story mission 6.

Elevator Action Knock off every Tripod during the Elevator Sequence

Danger Zone Buy all items from the Survival Air Support Armory.

A Just Cause Complete story mission 7.

Covered in Blood You met Bonnie Harless

Electric Avenue Use the EMP to take down 25 drones

Spread The Love - Kill 5 Helghast at once using the WASP's secondary fire Killed 5 Helghast at once using the secondary fire mode of the WASP launcher

Sandman Kill 5 Grims in a row with only headshots

No Key For Me Clear the Millennium Tower stage without the boot-up key in Scenario Campaign Mode.

Item Connoisseur Obtain a Rank S Item in Scenario Campaign Mode.

Killing Frenzy Kill 20 enemies in 60 seconds.

Devotchka You survived the trip to Boicherot's

Juggler Kill 30 enemies while they're falling through the air.

Access Denied Absorb 1000 damage with Auger Shields

Balls Seems you like playing with balls, eh?

Knight Errand Awarded for completing 100 errands.

Rolled Over You managed 5 car rolls in a row from one crash.

Big Money You got a hot tip on a loose nuke

Haunted Places Investigated the 3 "Places of Darkness"

There Are No Dominos You secured the nuke

Aid and Comfort You helped Donovan end Connor Aldridge

Manhunt You completed the most wanted side mission.

I Believe I Can Fly Base jump 1000 meters.