Here is the full list of all 31 The Darkside Detective (EU) trophies - there are 11 bronze, 14 silver, 5 gold and 1 platinum.
Unlock all The Darkside Detective Season 1 trophies.
Close case 1: Malice In Wonderland.
Slack off the job and read a trashy mag in each case.
Listen to all of John's gags.
Examine 8 cars.
Listen to all of Dick Brickman's radio shows. Featuring Dick Brickman.
Use the kango hammer on everything in the sewers before advancing.
Search 10 bins.
Give Laxatives to McKing.
Enter the Cursed Lodge.
Read all the book titles in the library.
Close case 2: Tome Alone.
Close case 3: Disorient Express.
Close case 4: Police Farce.
Close case 5: Loch Mess.
Close case 6: Don Of The Dead.
Complete the virus minigame in three steps.
Spot the Darkside SkyBeast.
Take all of the Turner's calls in the Bloodwolf HQ.
Watch the credits to the end.
Check Roy's Alibi.
Close case 7: Buy Hard.
Take a photo at the photobooth.
Fully explore the vents.
Remember neglected responsibilities.
Play games in the arcade.
Close case 9: Baits Motel.
Examine all of the museum's contents.
Call Santa out in the diner.
Close case 8: Polterguys.
Get Dooley a souvenir hat.