Federation

Arms Dealer Buy all items from the Survival Weapon Armory.

His Full Attention Freedom Cry - Achieve 100% synchronization

Architect Share a Blueprint with your Co-Op partner.

Dropping Acid Dissolve 50 enemies with acid.

T-Bone: Friends in Need Complete Act 1

Anyone see that? Complete a predator encounter without ever being spotted in the Main Story

Overachiever Earn 48 stars in Special Ops Mission Mode.

Perhaps sooner, Perhaps later Defeat the Joker

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

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

Space Ace Shoot at least 70 targets during the ride to Tau Volantis.

Electric Lawnmower Kill 30 enemies using an electrified Ripper blade.

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)

All In Earn all available Trophies for Modern Warfare® 3.

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

Free Flow Fifty Reach x50 Combo in the Main Story

New Shadow In 'The Savior', complete the mission without being spotted

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

Untouchable Complete the game in Impossible Mode.

T-Bone: No Easy Fix Complete Act 2

Concordance Officer Collect all Trophies.

Hungry Reach the pump room of the Waystation without alerting any Feeders.

T-Bone: Pest Control Complete Act 3

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

Outsmarted In singleplayer, get a quadruple kill with a single Frag Grenade

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

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

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

We came, we saw... Clear the attic in Ghost House.

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)

Platinum Congratulations!

Queen Anne’s Revenge Playing as Blackbeard, perform an acrobatic kill and a gun kill in less than 10 seconds.

Mercy or Prudence? Complete the game without killing any humans

Conscientious Killer Complete the campaign on any difficulty without shooting any civilians

Medic!  Revive your Co-Op partner 10 times.

The Explorer Complete all optional missions.

Elevator to the Gallows Kill a player using a lift that has been trapped with Booby Trap.

T-Bone: Looking For Trouble Complete all side investigations

T-Bone: Tag Team Complete 10 coop missions

Weedkiller Kill 5 Cysts in the Biology Building with a single poison gas cloud.

Mind Your Step Navigate Reactor Maintenance without dying

Bomb Squad Defuse all bombs in 3 minutes or less

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

100 Times Too Many Get killed by the Alien 100 times

Survivor Complete the game on the hardest difficulty setting

Preemptive Strike Playing as The Orchid, block 10 abilities from opponents with Sabotage.

T-Bone: Second Amendement Complete 20 Militia contracts

T-Bone: Mob Ruled Complete 20 Chicago South Club contracts