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Raising the Bar In the Main Campaign, upgraded one attribute (Health, Shield, or Salts) to its maximum level.

Fully Researched Bouncer Fully research the Bouncer

Lost And Found Uncover the secret of Arkham City

Sandstorm We are legion

Aerial Assassin In the Main Campaign, killed 20 enemies with a Sky-Line Strike.

Lights Out Kill 10 multiplayer enemies using your melee attack.

Adventurer Complete a match in all multiplayer modes.

Careful, He Bites Killed 15 enemies with the Hunter's action skill

Made in New Haven Completed all missions in the Rust Commons

Escapist Survive 10 explosions in multiplayer.

Ding! Sleepless Earned level 40

Hide And Seek A deadly game of hide and seek

Magic Smoke Kill 4 enemies within a single instance of Focus

Reckless Abandon Killed 15 enemies with the Berserker's action skill

Chatterbox Complete all conversations with the Endurance crew.

Industrial Accident In the Main Campaign, killed 20 enemies with a Sky-Hook Execution.

Sanity Check Collect all 8 Burner Phones

IQ Test Solve the first riddle

Ghost Train Fight for survival

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Darkness Looms Complete the final mission of the Missing Persons Investigation

Power Cycle Participate in 5 different City Games

Fully Loaded Rescued enough Claptraps to earn 42 inventory slots

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Master Blaster Kill 2 multiplayer enemies with a single explosive.

Arkham City Sirens Drop in on an old friend

Down Boy! Kill a zip-lining enemy player in multiplayer.

Freefall Don't look down

Geolocated Check in at every Hotspot

Exit Stage Right All the world is a stage

Monkey Around In multiplayer, escape death 3 times by using the rope ascender.

Research PhD Max out all possible research

Peephole Complete every Privacy Invasion

Revoking Client Privileges Complete the final mission in the Human Traffic Investigation

Saturday Night Special Complete the final mission in the Weapons Trade Investigation

Basest Base Complete every Gang Hideout

Avid Inventor Successfully invent at least 100 items

Stealth Cookie Complete an Online Tailing without being detected

More for Your Money In the Main Campaign, lured 3 enemies into a single Vigor trap 5 times.

Ding! Champion Earned level 50

Artilleryman Kill 20 enemy players in multiplayer using a turret.

Hazard Pay In the Main Campaign, killed 10 enemies by utilizing environmental hazards.

Read-only Complete the final mission in the QR Code Investigation

Weapon Specialist Acquire all upgrades for all weapons

Stop the Clock Time is running out

Conundrum Rescue the first hostage from Riddler

They Call Him The Vigilante Complete every Investigation

I'm all that! Win a ranked match in every multiplayer mode.

Personal Bag Of Tricks Finish a game session with an ability set that you customized in Multiplayer.

System Mangler Complete every ctOS Breach