Enter the Cursed Lodge.

Watch the credits to the end.

Remember neglected responsibilities.

Listen to all of Dick Brickman's radio shows. Featuring Dick Brickman.

Play games in the arcade.

Close case 1: Malice In Wonderland.

Take all of the Turner's calls in the Bloodwolf HQ.

Spot the Darkside SkyBeast.

Complete the virus minigame in three steps.

Take a photo at the photobooth.

Close case 9: Baits Motel.

Examine 8 cars.

Search 10 bins.

Check Roy's Alibi.

Close case 5: Loch Mess.

Close case 2: Tome Alone.

Give Laxatives to McKing.

Close case 6: Don Of The Dead.

Close case 7: Buy Hard.

Close case 8: Polterguys.

Get Dooley a souvenir hat.

Listen to all of John's gags.

Close case 4: Police Farce.

Call Santa out in the diner.

Slack off the job and read a trashy mag in each case.

Read all the book titles in the library.

Fully explore the vents.

Use the kango hammer on everything in the sewers before advancing.

Close case 3: Disorient Express.

Examine all of the museum's contents.