Full list of all 33 Thimbleweed Park achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox One.
Didn't pick up any specks of dust.
Completed the game in casual mode.
Got Ransome's bad ending.
Stayed for all the credits.
Completed the game in hard mode.
Part Nine: The Deleting.
Part Eight: The Escape.
Part Seven: The Madness.
Grew Leonard's plant to superhuman size.
Part Six: The Factory.
Part Five: The Reading.
Got an alive character into the Hotel penthouse.
Part Four: The Will.
Caught the killer.
Navigated to the buried treasure.
Made everyone cry about their life.
Blew up the Mansion.
Used Ransome's Itch Cream.
Completed Franklin's Flashback.
Visited every floor in the hotel.
Collected 75 specks of dust.
Collected 50 specks of dust.
Collected 25 specks of dust.
Part Three: The Arrest.
Read all the Thimbleweed Nickel newspapers.
Escaped from the sewers.
Completed Delores's Flashback.
Listened to 100 Voicemail messages.
Read 100 books in the library.
Completed Ransome's Flashback.
Pushed the circus mime over.
Part Two: The Body
Part One: The Meeting.