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Armed Take Control of the Boom Arms

Springy Rescue Rescued the Bot in Twin-Frog Trouble.

Kling of the Clink Serve time in Toussaint.

Operation Deep Execute Complete Operation Deep Execute.

Close Encounter Kill 10 alien Necromorphs.

Self-Actualized Reach rank 20 in any role.

Chain Smoker Disable 50 enemies using smoke grenades.

Pushed Defeat 100 enemies with Force Push

Fusion Expert Acquire 50 Modchips via mod fusion

10 Minutes of Create Spend 10 active minutes in Create mode

Barrel of Death - Kill 3 Helghast using your environment Kill 3 Helghast at once using the surrounding environment

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

Make Up for Some Hygiene Demerits Get to know someone in a precarious position

Monkey Magic Complete all chapters on Normal.

Pumping Rescue Rescued the Bot in High Inflation.

In Your Element Inflict Elemental Effects on enemies 50 times

Break 'em during the thunder Opened the window without making noise

Operation Taken Dagger Complete Operation Taken Dagger.

An Impressive Display Earn a Four-Star Rating in any Challenge Arena

Moon On A Stick Moons don't belong on sticks! Get rid of it!

Raising the Stakes Awarded for collecting your first prize at the casino.

It's all in the details Find all Mnesist memories

Skeet Shoot Throw an enemy into the air and kill him with gunfire before he lands

Completed Grounded Mode Plus Completed Grounded Mode Plus

Chapter 5 Complete Complete Chapter 5 in story mode

Sugar Crash While playing as Colt, use candy to gain a tactical advantage.

Nose for Treasure Found 10 treasure chests.

Baby Boomer Allow the motherships to spawn 40 babies on Dynamite Heights Level 8.

Scorched Earth Policy Destroy everything in the Zoo Hub.

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

I should buy a boat Complete the Tomb of the Ferryman

Snuffed Out Defeat Flame Face

Pest control Find all Scaramechs

Technical Difficulties Kill the NewsWatch 6 team of Tom Dawson, Bud Langley and Sara Stephens

I AM the Batman! Reclaim your city.

I Will Survive Survive your own rampage and then defeat opponent on their rampage.

Opposite of Fail Complete all Fale Quests

Boon of the Nomad Find Barrel in Hidden Cave

Dabbling Collector Obtain 5 pieces of Treasure Art.

Fender Bender In Multiplayer, roadkill 5 enemies

Operation Black Flag Complete Operation Black Flag.

Silence Those Guns Destroy every enemy Cannon

Bakugami Learn how to use Cherry Bomb.

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

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

Cabin Fever Make it to the cabin in Regular or Hardcore difficulty.

8-hit wonder Perform 40 8-hit Combos

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

Chapter V Gain access to the Vampire Castle

Egoraphobia Complete 'Lost in Transmission.'