DocSilence

Escape Velocity Jump over 200 yards (182.88 meters) through a Billboard

Backstabber Kill 20 enemies with melée while they are idle

The Cold War Kid Complete the level "Kazakhstan – Project Carbonek"

Disarmament Dispose of a nuclear weapon.

The Professional Complete the Bolivian Temple without dying

Vampire Mastered Acquire 11 vampire perks

Nothing Personal Takedown a friend in Multiplayer

Consciousness is Over-rated Knock out 100 enemies in a single playthrough.

Tactical Specialist Get 5 Medals based on a Specialist Ability in a single game.

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

Maximum Firepower Take control of an ASP.

The Last Straw You talked Doctor Isaias Sandoval out of suicide.

Helping Hands Revive a Co-op player 20 times

Guardian Angel You paid poor Jaya's debt in full. How very... humane... of you.

Double Style Points Defeat 2 enemies during the same Aerial Attack

DLC: Zombies: Killer BeeZ Destroy all the Zom-bee nests in Laboratory of the Dead.

Moon Gravity Use cuts 100 times to juggle grubs and keep them in the air.

Gooooooooooooooooooooooooal! Kick the soccer ball into the goal in Peru

Great Briton Complete the level "England – King Arthur's Tomb?"

Deployment Complete all key Dispatch Missions.

Madness Begins In American McGee’s Alice, Complete Village of the Doomed

Bouncer Keep Chimeran forces from entering the Brewpub

Not out of Gobblegum! In Shadows of Evil, purchase and chew every type of GobbleGum in your Pack.

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

It's Nepal Good Complete the level "Nepal – The Ghalali Key"

In Their Sleep In Campaign, kill 5 stunned enemies in under 3 seconds.

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

Cloak & Daggers Deal with the man in the shadows.

Finish Him You completed 10 melee counters in 4 minutes.

The Hidden City Finish Chapter Seven

Accomplished Complete all missions.

A Job Well Done Complete the game on Explorer or Adventurer difficulty

Majestic Create and export 10 videos using the Rockstar Editor or enter Director Mode 10 times.

The D Project You watched the entire credit list and saw the surprise at the end.

To the Face! Reflect 20 missiles back at AT-MPs.

The Dawn's Light Finish Chapter Eight

Archivalist Collect all journals

Challenger Complete one challenge and receive at least a Bronze medal.

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

Corpse Wagon Detonate fallen Leeches to kill 25 enemies

Martial artist Perform a melee hit from a wallrun

The Throwdown You convinced the smooth-talking politician Bill Taggart to tell the truth in public.

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

Infiltration Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck

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

The Fall You sent Diamond Chan on the trip of a lifetime.

Mass Production Produce 100 objects from your builders

Battering Ram Shield Bash 5 different thugs

Ran out of fingers Find 11 hidden bags

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