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.
Escaped from the sewers.
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.
Part Seven: The Madness.
Part Six: The Factory.
Part Five: The Reading.
Got an alive character into the Hotel penthouse.
Grew Leonard's plant to superhuman size.
Caught the killer.
Part Four: The Will.
Made everyone cry about their life.
Blew up the Mansion.
Visited every floor in the hotel.
Completed Franklin's Flashback.
Used Ransome's Itch Cream.
Navigated to the buried treasure.
Part Three: The Arrest.
Collected 75 specks of dust.
Collected 50 specks of dust.
Collected 25 specks of dust.
Read all the Thimbleweed Nickel newspapers.
Completed Ransome's Flashback.
Pushed the circus mime over.
Completed Delores's Flashback.
Listened to 100 Voicemail messages.
Read 100 books in the library.
Part Two: The Body
Part One: The Meeting.