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Wretched Retch Use a Wretched Graug's Projectile Vomit on an Uruk Captain or Warchief.

Rebel Leader Defeat 500 Imperials

Big Tournament Completed each of the larger challenges in all 3 coliseums

Throw a Six and a Half On Hardened or Veteran difficulty, complete a level without dying. (Solo only)

The Hammer Strikes Complete 'Their Land, Their Blood' on Veteran difficulty. (Solo only)

Explosives Expert Get 150 kills with the Carbine 40mm, LAARK, or frag grenade in the single player Campaign.

Come Here, Little Boy Taunt and defeat five plus angered enemies while taking no damage. Gaze of Despair may be equipped.

Spitting Lead Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.

The Whole Story Collected all Audio Diaries and Voxophones in Burial at Sea - Episode 2.

PROXY Won't Be Happy Destroy 35 droids

Run the Gauntlet Complete "Desperate Escape" on Professional.

Blade Runner - 75 kills with the knife Kill 75 Helghast using the knife

Naughty Tentacles Destroy all the tentacles that drop down together during a single sequence in Chapter 9.

Rattle the Hive Bait 10 Ghûl mounds.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Finish Him You completed 10 melee counters in 4 minutes.

Unstoppable Arsenal Completely upgrade all weapons.

“Worlds of Hurt” – Tough Guy Rescued the Little Sister in “Worlds of Hurt” using only plasmids, tonics, the wrench, and the research camera, on Medium or higher difficulty

Army of One Win 15 matches in Slayers.

The Crown Jewel Seek and destroy.

Right in the Grape... Singleplayer: Get 7 headshots in a row with any weapon except the long range sniper rifle.

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

Feeding the Pig Singleplayer: In Compromised, get 15 kills with the M60

Strength of the Pack Complete a Strike with a full fireteam consisting of only your clan members.

O Mother, Where Art Thou? Have 20 Branded Ghûls at one time.

Burning Shadow Shadow Brand 20 Uruks.

Gunslinger Assassinate General Amsel with a pistol shot. (Solo only)

Blue Ribbon Complete a 4-player Competitive Co-Op match in 1st place. (Online co-op Only)

The Semi-Pro Trophy Win 'The Semi-Pro Trophy' event in Tour on gold star difficulty.

Nom Nom Nom! Eat a captain with a Wretched Graug.

The Most Dangerous Game Defeat all the Beastmaster Warchiefs.

Touch And It Will Hurt Counter 10 enemy attacks with the Moon of Mahaa-Kalaa equipped.

Liberty City (5) Your friends all like you above 90%.

Iron Fist Destroy all towers and bunkers in 'Blood and Iron'.

On Instinct Complete the Mother Boss Battle.

Friendly Skies Defeated all waves in The OPS Zeal.

Hot Flashes Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.

One Bad Gato Complete 'Blackcats' on Veteran difficulty. (Solo only)

QuickFire Artiste Fire 40 paintballs in under 5 seconds

Not a Scratch on Her! I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

Grave Robber Collect all Death Cards in the game. (Solo only)

Full House Kill 5 enemies with each type of Agony Bolt.

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Repossession Seize 50 vehicles from enemy hands.

Scorched Earth Complete 'Burn 'em Out' on Veteran difficulty. (Solo only)

Eye of the Tiger Win 15 matches in Survivors.

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)