SemErTOm

Rexecutioner Destroy the Metal Gear REX boss

Hide. Run. Survive. Complete the fifth mission without being killed by the Alien

Arctic Grave Push the chief witness into the ice lake in "Joe's Adventures."

QuickFire Artiste Fire 40 paintballs in under 5 seconds

Battering Ram Shield Bash 5 different thugs

Frequent Flyer Zip Kick 5 different thugs

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

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

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

Much Apork About Mutton Defeat Generals Pig and Sheep.

Serve the Balance Reach level 70 with a Necromancer.

Just out of Reach Contact your team and escape Comms without being attacked by an android

Dockyard Discord Finish the Connection level in "Joe's Adventures."

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Three-Second Rule Pick up your fallen head 100 times.

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

The Flawed Couple Defeat General Horse.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

The Taming of the Moo Defeat General Bull.

Platinum Congratulations!

Dog on a Short Tin Leash Defeat General Dog.

Soul Searcherer Rescue a ton of captive souls.

First Versus Beat another player in an online versus match.

Mercy or Prudence? Complete the game without killing any humans

Fiddler on the Woof Defeat General Robo-Dog.

Bye Bye Bunnie Defeat General Rabbit.

Five Finger Discount Finish the Supermarket level in "Joe's Adventures."

Sharpshooter Kill 100 enemies by headshots in "Jimmy's Vendetta".

La Cage aux Fowls Defeat General Rooster.

A Funny Thing Happened on the Way up the Dragon Defeat General Dragon.

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Bomb Squad Defuse all bombs in 3 minutes or less

Mind Your Step Navigate Reactor Maintenance without dying

100 Times Too Many Get killed by the Alien 100 times

The Spacemonkey Falleth Defeat General Monkey.

Carnapper Finish all car dealer missions in "Jimmy's Vendetta".

Survivor Complete the game on the hardest difficulty setting

Ursus Descending Defeat the Moon Bear King.

Mind the Goods Finish the Cathouse level in "Joe's Adventures."

Go veg Beat the Fire Plant

Game of Bones Use Bone Armor to rip the bones from the Skeleton King.

What Is Dead Can Sometimes Die Kill 1,000 Undead enemies with corpses.

Same Shirt Different Day Finish Joe's Adventures on any difficulty.

Bringer of Order Complete Act V with a Necromancer.

Revenged Finish "Jimmy's Vendetta" on any difficulty level.

Armament King Kill your enemies in "Jimmy's Vendetta" with every weapon available in the game.

Diamond Hunter Destroy the 5 hidden target diamonds in Act 4: The Level Factory

Archivist Collect 10 Nostromo logs in the main campaign

Super Ninjitsu Kablooey Master Defeat 3 grubs with a single Bomb.