Alienimator

Hoist the Flag In Multiplayer, capture 10 flags in Frontlines

Think Fast Kill 30 Necromorphs with Kinesis objects

Radio Silence Complete the game without using the radio.

Enemy Hunting Enthusiast Defeat 1000 enemies in Scenario Campaign Mode.

Weaponsmith Made one of every custom weapon

It's All Coming Back to Me Recover your memory in Scenario Campaign Mode.

Helping Hand Complete your first "extra thing to do"

No DP? No madness Complete the game on Veteran difficulty

Say Hello To My Little Friend First kill with a Gun.

A Legend for All Time Complete Jin's Journey in New Game+.

Slippery Slope Create a slide

The Sunset of Hope Complete the ANNA level.

What Does This Switch Do? Ah..... Defeat an opponent using Rhinos.

World Traveler Collect one glowing piece from each of the 4 toy sets.

Self-Actualized Reach rank 20 in any role.

Anarchy in the UK Turn a district to hostile status

I AM the Batman! Reclaim your city.

Chain Smoker Disable 50 enemies using smoke grenades.

You've Been Served First kill with a Table Leg.

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

Kling of the Clink Serve time in Toussaint.

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

Scorched Earth Policy Destroy everything in the Zoo Hub.

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

Heads Up! Complete the PAVEL level.

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

Untouchable Performed 25 Counter moves

''Aggressive Negotiations'' Defeat 3 enemies at the same time with an explosion

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

Rain Man Complete the BRIDGE level without a kill.

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

Paradigm of Humanity Reached Level 20 with Neutral Karma

Developer Spend 1 hour on the DEVELOPER level.

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

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

I can open doors! Complete the Breach in 10 seconds

No Way Out Complete the KHAN level.

No Assistance Required Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

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

Vicious Circle Reach the "Maria" ending.

At the Summit of Apocrypha Complete "At the Summit of Apocrypha"

Rollin Defeat an opponent using Pandas.

Under The Red Hood Shut down this operation.

Invisible Savior Complete the FACILITY level without killing or raising alarm.

(10+1.5+3.5)x Get a multiplier of 15x

Ghost Vanquisher Defeat 30 Ghosts.

From Beyond the Stars Collect and return all spaceship parts.

Fighting Fit Purchase all Combat Upgrades.

Thirsty Fighter Pick up 50 drink items in Scenario Campaign Mode.