Here is the full list of all 34 Thimbleweed Park trophies - there are 17 bronze, 11 silver, 5 gold and 1 platinum.
Collect all trophies.
Complete the game in casual mode.
Stay for all the credits.
Don't pick up any specks of dust.
Complete the game in hard mode.
Get Ransome's bad ending.
Begin Part Nine.
Begin Part Eight.
Begin Part Seven.
Grow Leonard's plant to superhuman size.
Begin Part Six.
Begin Part Five.
Get an alive character into the Hotel penthouse.
Begin Part Four.
Catch the killer.
Make everyone cry about their life.
Use Ransome's Itch Cream.
Blow up the Mansion.
Navigate to the buried treasure.
Complete Franklin's Flashback.
Visit every floor in the hotel.
Begin Part Three.
Read all the Thimbleweed Nickel newspapers.
Complete Delores's Flashback.
Read 100 books in the library.
Listen to 100 Voicemail messages.
Escape from the sewers.
Complete Ransome's Flashback.
Push the circus mime over.
Collect 75 specks of dust.
Collect 50 specks of dust.
Collect 25 specks of dust.
Begin Part Two.
Begin Part One.