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.
Completed the game in casual mode.
Collected 75 specks of dust.
Collected 50 specks of dust.
Collected 25 specks of dust.
Stayed for all the credits.
Didn't pick up any specks of dust.
Completed the game in hard mode.
Got Ransome's bad ending.
Part Nine: The Deleting.
Part Eight: The Escape.
Blew up the Mansion.
Part Seven: The Madness.
Navigated to the buried treasure.
Made everyone cry about their life.
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.
Completed Delores's Flashback.
Read 100 books in the library.
Listened to 100 Voicemail messages.
Completed Franklin's Flashback.
Visited every floor in the hotel.
Used Ransome's Itch Cream.
Part Three: The Arrest.
Read all the Thimbleweed Nickel newspapers.
Completed Ransome's Flashback.
Pushed the circus mime over.
Escaped from the sewers.
Part Two: The Body
Part One: The Meeting.