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Full Course Score a total of 18 Goals in Dropshot

Silent Kill Kill 5 enemies in a row with a sneak kill without being discovered.

Mission Accomplished Complete Not a Hero on Easy or Normal difficulty.

Storyteller Have 12 murderous dates with Calendar Man

My Best Friend Completely upgrade one weapon.

Trade Secret Trade In five items of the same quality to receive an item of the next-highest quality

Hyperspeed Hit 240 mph using any car

The Climb Complete 10 events in Ranked Speedlists

Pearls in the Mud Open 5 GRE chests in Quarantine Zones

Chapters 5-7 (Normal) Complete Chapters 5 through 7 on Normal difficulty.

Mechanical Menace Complete "Mechanical Menace"

Ammo Conservationist Kill 25 enemies with melee attacks.

Everybody Gets One Who wouldn't reach out for a man clinging for his life? (Ch. 6)

Assassin's Greed You completed all 9 assassin missions.

Dragonslayer - Destroy the ATAC within 1 minute 30 seconds Destroy the Salamun Bridge ATAC in under 1 minute 30 seconds

New Profile Who This? Change your Player Banner, Avatar Border, and Player Title

Together is Better Play and complete an Online match with one or more Clubmates

Commander Of Magic Purchase all techniques.

The Artist Unlock all Visual Customization points

Singh No Swan Song Have Singh's back when it matters most.

Order Fulfilled You completed all 10 Exotic Export orders.

Anyway, Here's "Firewall" Activate the Backburner's firewall.

Does Not Obey Smash your way through all the Billboards

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

Double, Double, Toil And Trouble Create 20 Concoctions.

Retail Therapy You unlocked the special ability of buying guns from Little Jacob.

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Knife Beats Chainsaw His engine roars, but my knife is strong enough to take him out. (Ch.3)

One Man Army Kill 400 enemies.

Wicked Weave Master Execute 20 Wicked Weave attacks while using Dodge Offset.

Shut that door (again) Shut two car doors while in cover.

Chapters 12-13 (Normal) Complete Chapters 12 and 13 on Normal difficulty.

Robot Hunter Unlock 10 Robot Mods

Who Needs Fire? Escape from the detention center in Claire's Episode One without using the flame-thrower bust.

Two-Faced Uncover Lyegrove's secret

Headhunting Complete "Headhunting"

Inertial Distance In Campaign, wall run over 250 meters.

I Don't Have Time for This! It won't stay dead! Better only fight when I have to. (Ch. 7)

Liberty City Minute You finished the story in less than 30 hours.

New Challenger Join and complete an Online Tournament match

DLC: Mars: Nick's Story Complete the game (Host Only).

Courier Service You completed all 10 package delivery jobs.

DLC: Mars:Bug Squasher Perform 10 takedowns on Arachnids using the Power Glove.

Another Day on the Job Complete the game on Survival difficulty.

Lost Property No crimefighter should be without this

DLC: Zombies: FertiliZer Kill 10 Gougers or Hot Heads with the tractor in Fields of Terror.

Restoring Order Complete "Restoring Order"

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