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Half-Truths and Whole Lies Helped the witness escape the police station and gained an ally

Teleporter Teleported for the first time

Ashland Discovered what happened to Sophia

Freeflow Combo 10 Complete a combo of 10 moves (any play mode)

Scorned Helped Katy find peace

Lost Causes Learned the fate of Rose and helped Iris escape the asylum

The Bell Tower Banshee Uncovered The Bell Tower Banshee ghost story

Wicked Tempers Discovered links between the witch trials and the Bell Killer murders

Collector 150 Collected 150 artifacts

Ghosts Never Die Investigated the murder of Iris

Judgement Discovered the Bell Killer's secrets

Tightening the Noose Stopped Abigail and saved Rex and Joy

Man in the Box Uncovered the Man in the Box ghost story

Daydreamer Survive the nightmare of the Scarecrow's fear gas

The Heirloom Uncovered The Heirloom ghost story

Terror on the Tracks Uncovered The Terror on the Tracks ghost story

Baneful Payback Defeat Bane

Cassandra's Story Learned about Cassandra's Life

Eternal Flame Uncovered the Eternal Flame ghost story

The Witch Trials Discovered information about the witch trials

Ashes to Ashes Uncovered the Ashes to Ashes ghost story

Breaking And Entering Gain access to Arkham Mansion after it is locked down by the Joker

Salem's History Discovered Salem's history

Julia's Story Learned about Julia's Life

The Bell Killer's Story Learned about the Bell Killer

Recurring Nightmare Face your biggest fears and keep your sanity

Zsasz Cut Down To Size Save Dr. Young from being killed by Victor Zsasz

Codex Discovered the meaning of the supernatural graffiti

Collector All Collected all of the artifacts

Moving On Collected every trophy in the game

Solitary Confinement Capture and lock up Harley Quinn

Lateral Thinker Solve 25% of Riddler challenges

Freeflow Combo 20 Complete a combo of 20 moves (any play mode)

Double Trouble Defeat two Titan Henchmen at once

Resist The Fear Conquer the effects of the Scarecrow's fear gas

Crocodile Tears Venture into Killer Croc's lair and come out alive

Freakshow Rodeo Ride Titan henchman and knock down 10 thugs (any play mode)

Trail of Fear Lock up your first Supervillain in GCPD.

Poisoned Ivy Defeat the giant Titan Ivy plant

Big Bang Complete story mode on Easy difficulty

Keep Their Heads Ringin' Paralyze a licker's sense of hearing.

Mystery Solver Solve 40% of Riddler challenges

Four of a Kind Kill 4 enemies in a row with headshots in the single player campaign.

Save the Bacon Protect 'War Pig', the Abrams tank.

Party Pooper KO all the henchmen celebrating your arrival at the party

Daredevil Kill an enemy while blinded by a flashbang in the single player campaign.

Death From Above Operate an AC-130 gun ship.

The Frequency of Fear Scan Gotham City to pinpoint Scarecrow's location.

Rescue Roycewicz Save Pvt. Roycewicz on the stairs.

Straight Flush Kill 5 enemies with one shot while in the AC-130 gunship.