BigBoss-TheFirst

One Mean Mother Defeat Silitha

Sanity Check Collect all 8 Burner Phones

Into the Void Collect the Voidwalker

Last Known Position Lose the enemy 10 times

Ghost Train Fight for survival

IQ Test Solve the first riddle

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Treasure Hunter Search 150 caskets
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Apprentice Reach Level 5

Darkness Looms Complete the final mission of the Missing Persons Investigation

Bleak Falls Barrow Complete "Bleak Falls Barrow"

Cosplay Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Power Cycle Participate in 5 different City Games

Freefall Don't look down

Arkham City Sirens Drop in on an old friend

High Flier Kill 5 duskbats without touching the ground
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Pray on the Way Up You hung Ritchie Doucet from a Ferris wheel

Master Blaster Kill 2 multiplayer enemies with a single explosive.

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

Exit Stage Right All the world is a stage

Bon Appétit! Fed a body to an alligator

That's a Knife! Fully upgrade the knife

Geolocated Check in at every Hotspot

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

Dragon Soul Absorb a dragon soul

Wasteland of Opportunities Complete Act 02

Leader of the Pack Compare Statistics with Friends

Quiet Time Find the best seat in the house

Lubed up Complete the slide in the Statue of Apollo without dying

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

Chain Gang Perform the Serpent's Fury 3 times

Peephole Complete every Privacy Invasion

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

Casey Jones Take down 25 enemies while riding on a moving train.

Basest Base Complete every Gang Hideout

Doing Gutgash a Big Favor Build two projects in Gutgash's Stronghold

Thread the Past Restore 5 vestige outfit pieces

Total Party Kill Kill 5 enemies with friendly fire

Don’t Go - Easy Finish Left Behind on Easy

Tag Teamed Hit 100 Enemies with the Oath Stone of Orkos

Stealth Cookie Complete an Online Tailing without being detected

Electric Slide Gather all the fuses in the warehouse within 5 minutes.

Hard Finish Finish story mode on Hard, without changing the difficulty setting.

Brick Master Win the brick throwing contest

If it ain't broke... Reconstruct all of the Decayed Chests

Payback's A B**** Defeat Straga

Sight Beyond Sight Collect the Mask of Shadows

Woman of the People Complete every Mission

Evil to the Core Purchase every negative Karma upgrade for each power.

Artilleryman Kill 20 enemy players in multiplayer using a turret.