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DLC: Mars: The Queen is Dead! Kill all the Queens (Host Only).

DLC: Mars: Mars Second Amendment Buy 12 weapons.

London's burning Turn all districts to hostile status

There's no "I" in Team Score at least 80,000 points in Team Survivors.

A Friend in Need Finish Chapter Four

One Trick Pony Purchase an ability.

Corrupted Complete the second mission of the U.S.S. campaign.

It's All About the Points Score at least 40,000 points in Survivors.

80s Hero DLC Vietnam: Complete the game in Action Movie Mode (Host only).

Hax0r1! Successfully hack 50 devices within the same playthrough.

A Fire in the Heavens Free the hostages at the Ferris Wheel.

Quickly Pick a Lucky Lock Pick a lock with masterful speed

A House Made of Spun Glass Free the hostages at the Merry-go-round.

The Laughing Fish! Free the hostages at the Ghost Ship.

The Mantis You defeated Yelena Fedorova, elite member of a secret mercenary hit squad.

Bloody Good Time Kill 5 enemies with Blood Frenzy in a single campaign game or multiplayer match.

Yes Boss You had an argument with your boss, David Sarif, and won.

DLC: Mars: Martian Journal Collect all of Larry's notes (Host Only).

A Courtship of Razors Rescue your father.

Keep the Good Times Rolling Chain a 20-defeated combo in Slayers.

Not even once Finish the game without killing any citizens (not unlockable in Story Mode)

Bloody roots Find the recollection of Paulus Aurelianus

Opportunist Perform 50 takedowns within the same playthrough. (Civilians don't count.)

DLC: Zombies: Early ExZit Denied Try to escape the bridge early in Burned Bridges.

Old School Gamer You found all the hidden story items in Megan's office. Point and Click much?

Shanghai Justice It may take some sleuthing, but justice must be served.

Bar Tab Help the Hive Bartender settle a tab.

Darker Shades You convinced a fast-talking bartender to let you see Tong Si Hung.

Roguelike DLC Vietnam: Complete the game in Survivor Mode (Host only).

The Snake You defeated Jaron Namir, Leader of Belltower's Elite Special Operations Unit.

Rotten Business Help a lady in the oldest of professions clean house.

Trooper Complete Deus Ex: Human Revolution - Director's Cut.

Super Sleuth You really nailed your case against Lee Hong.

The End You defeated Zhao Yun Ru and destroyed the Hyron Project.

Ambush Defeat 4 enemies within the duration of a single scare effect.

The Scene of the Crime Rescue Mad Hatter's first hostage.

Smash the State Help Officer Nicholas take out the trash.

Weapons of choice Find all off-hand weapons

Lore keeper Gather all collectibles

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

The Forsaken Finish Chapter Five

Keep your distance Find all ranged weapons

Head Games Rescue Mad Hatter's second hostage.

Twice Nightly Complete New Game Plus

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

In Storybook Endings Lock up Mad Hatter in GCPD.

The tools of the profession Find all melee weapons

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

Danger, High Voltage! Complete the third mission of the U.S.S. campaign.

DLC: Zombies: Blood Zragon Kill the Blood Dragon in Killer Climate.