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Little Sister Savior The player has completed the game without harvesting any Little Sisters

You're so Sly Collect all Dead Drops in the Historic District.

Fully Researched Spider Splicer The player has fully researched the Spider Splicer

Four Fully Upgraded Weapons Fully upgrade four weapons

Further Down the Rabbit Hole Collect all Dead Drops in the Warren.

Evil Train Bad guys make it clear who the boss is.

Hotfoot Travel 25 kilometers while riding the rails.

Prolific Photographer Take at least one photo in every research group

Oh, You've Done This Before Take down 50 enemies by sticking them with a grenade.

Dealt with every Little Sister The player has either Harvested or Rescued every possible Little Sister

Fully Researched Houdini Splicer Fully research the Houdini Splicer

Evil Exposure Bad guys love to be seen.

Evil Intentions Bad guys can't say goodbye.

Mental Athlete Solve 70% of Riddler challenges

Fully Researched Rosie Fully research the Rosie

Fully Researched Nitro Splicer Fully research the Nitro Splicer

Lucky Winner Hit the jackpot at a slot machine

My left or your left? Meet with Rais

Fully Researched Little Sister Fully research the Little Sister

Truly Infamous Reach full negative Karma.

Confirmed Bachelor Trish Hates You.

Irony The player has taken a picture of Sander Cohen's corpse

The Box That Broke the Bandicoot's Back Miss a lot of boxes.

Riddle Resolver Solve 85% of Riddler challenges

Evil Sphere Bad guys always want more power.

Five Fully Upgraded Weapons Fully upgrade five weapons

Evil Finish Beat the game while Infamous.

True Hero Purchase every positive Karma upgrade for each power.

Mano-A-Mano Defeat Titan henchman without using Batarangs (any play mode)

Fully Researched Bouncer Fully research the Bouncer

The Hunger Bio Leech 100 enemies.

Prom Night Survive night pursuit of level two or higher

Open Sesame Perform 10 successful Lockpicks

Ripper Ruined Defeat Ripper Roo.

Crack The E Nigma Solve every riddle on the island

Get Off My Cloud Get 100 High Fall take downs.

World's Greatest Detective Spirit of Amadeus Arkham revealed

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

Wasteland of Opportunities Complete Act 02

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

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

Research PhD Max out all possible research

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

The Skilled Driver Complete a Barrel Bash Death Run

Avid Inventor Successfully invent at least 100 items

Can't Touch This Kill 20 enemies in a row without taking damage.

Pheidippides Run (move or sprint) at least 42,195 m

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

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

Mouths Wide Open Kill a Volatile