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C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Weaponsmith Made one of every custom weapon

The Desk Job You convinced Wayne Haas to let you into the morgue.

Hara Kiri Kill yourself with Kotal Kahn for 1 round and win the match

Social Climber Find the hidden access to the mansion grounds in Ep. 10: Legacy

Think Fast Kill 30 Necromorphs with Kinesis objects

Bull in a China Shop Cause maximum damage in all Arenas (does not include Practice mode)

New Allies, New Foes Complete Chapter 2.

Their Own Medicine Steal a T62 CEW from the back of a police cruiser in Ep. 5: Gauntlet

Batman Clear Chapter 2 using Nigel the Bat

Gotta patch them all! Find all SAT Patches

Smith for Life Inherit Steady Hand McDuff's equipment

First Time Director Enter Director Mode for the first time as an unlocked actor.

Close Encounter Kill 10 alien Necromorphs.

Nano Suit Collector Acquired 30 Nano Suits.
4/30

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Machines do it better Use the Sensen RIP to make robots knock 20 human enemies out

Holder of the Fort Inherit Captain Drummond's equipment

Completed Grounded Mode Plus Completed Grounded Mode Plus

You'll Only Get Burned Completed "The Price of an F-Cup."

Paradigm of Humanity Reached Level 20 with Neutral Karma

It's all in the details Find all Mnesist memories

Box Hunter Opened 200 boxes.
8/200

The Price of Life Completed chapter 5.

Vault-Tec C.E.O. Collected 20 Vault-Tec Bobbleheads

Kling of the Clink Serve time in Toussaint.

Perfect Rechargeable Tumbler Enhanced the Rechargeable Tumbler to its max.
0/5

Bomb squad Deliver 5 bombs in Obliteration

Pest control Find all Scaramechs

True Marksman Win a match with Green Arrow using only arrows

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

Almighty Complete a Test Your Might Tower

8-hit wonder Perform 40 8-hit Combos

From Beyond the Stars Collect and return all spaceship parts.

Covenant of Ancients Discover an ancient covenant

Worked Like A Charm Enchant an item and upgrade the enchantment to Tier 3.

Guns For Show Use all guns at least once

Leader of the pack Beat a Mourner without beating its supporting sidekicks

Tell Me a Story Complete 10 substories.

A Mystery, Solved Solve the mystery of Leonora Johnson.

The Plot Thickens Complete Pumpkin Pastures and Soggy Swamp.

Dang Girl, You Ace At This Game Win the most challenging round in Murderlin's Temple.

The Hurt Mine Locker Kill 10 monsters with one mine

Pitcher Use all throwing weapons at least once

The Bull You defeated Lawrence Barrett, elite member of a secret mercenary hit squad.

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

Far From Home Complete the quest "Far From Home"

Architect Build three wings on a house

Making New Memories Achieved Making New Memories ending.

Dropping L-Bombs Trigger two Logic Bombs in less than 15 seconds