Deus Ex reference...
	Just Cause reference...
	Saving Joy from the Bell Kille...
	Tomb Raider reference...
	Various Achievements...

Almost every computer at the police station is displaying the main menu from Deus Ex on their monitors.

You can find two posters for Just Cause in the police station. One is next to the vending machines outside the investigation room. The other is upstairs, next to a soda machine.

Select the "Powerful Scream" clue. The Bell Killer will break his hold on Joy.

You can possess a woman in town and see her trying to remember Lara Croft's name from Tomb Raider.

Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Watery Grave (20 points)	Uncovered the Watery Grave ghost story.
Amnesia (20 points)	Helped Julie find peace.
Ashes to Ashes (20 points)	Uncovered the Ashes to Ashes ghost story.
Ashland (25 points)	Discovered what happened to Sophia.
Baxter's Story (10 points)	Learned about Baxter's Life.
Carnage (20 points)	Helped Brad find peace.
Cassandra's Story (10 points)	Learned about Cassandra's Life.
Codex (10 points)	Discovered the meaning of the supernatural graffiti.
Collector 1 (10 points)	Collected an artifact.
Collector 10 (10 points)	Collected 10 artifacts.
Collector 100 (10 points)	Collected 100 artifacts.
Collector 150 (10 points)	Collected 150 artifacts.
Collector 25 (10 points)	Collected 25 artifacts.
Collector 50 (10 points)	Collected 50 artifacts.
Collector 75 (10 points)	Collected 75 artifacts.
Collector All (125 points)	Collected all of the artifacts.
Discover Remove (10 points)	Used Remove for the first time.
Discover Reveal (10 points)	Used Reveal for the first time.
Eternal Flame (20 points)	Uncovered the Eternal Flame ghost story.
Exorcist (20 points)	Defeated a demon.
Ghosts Never Die (25 points)	Investigated the murder of Iris.
Half-Truths and Whole Lies (25 points)	Helped the witness escape the police station and gained an ally.
Interrogator (10 points)	Interrogated a ghost for the first time.
Investigator (10 points)	Completed the first investigation.
Judgement (25 points)	Discovered the Bell Killer's secrets.
Julia's Story (10 points)	Learned about Julia's Life.
Lost Causes (25 points)	Learned the fate of Rose and helped Iris escape the asylum.
Makeshift Sanctuary (25 points)	Found the witness and learned what she knew.
Man in the Box (20 points)	Uncovered the Man in the Box ghost story.
Mindreader (10 points)	Used Mind Read for the first time.
One of Us (25 points)	Revisited the scene of your murder and discovered there was a witness.
Poltergeist (10 points)	Used Poltergeist for the first time.
Possess the Cat (10 points)	Possessed the cat.
Rex's Story (10 points)	Learned about Rex's Life.
Ronan's Story (10 points)	Learned about Ronan's Life.
Salem's History (10 points)	Discovered Salem's history.
Scorned (20 points)	Helped Katy find peace.
Teleporter (10 points)	Teleported for the first time.
Terror on the Tracks (20 points)	Uncovered The Terror on the Tracks ghost story.
The Bell Killer's Story (10 points)	Learned about the Bell Killer.
The Bell Tower Banshee (20 points)	Uncovered The Bell Tower Banshee ghost story.
The Death Wish of a Shady Man (25 points)	Became a ghost and met a strange ghost girl.
The Heirloom (20 points)	Uncovered The Heirloom ghost story.
The Missing Body (20 points)	Helped Ingrid find peace.
The Stalwart Specter (20 points)	Uncovered The Stalwart Specter ghost story.
The Witch Trials (10 points)	Discovered information about the witch trials.
Tightening the Noose (150 points)	Stopped Abigail and saved Rex and Joy.
Wicked Tempers (25 points)	Discovered links between the witch trials and the Bell Killer murders.