Here is the full list of all 18 Blackhaven achievements.
Complete the game's opening scene.
Complete the Gallery Quiz
Complete the Gallery Quiz with no incorrect answers.
Finish "It's Everyone's Place to Be Brave."
Find Kathryn's welcome letter.
Answer a phone cal.
Try dancing to a minuet.
Finish the audio tour.
Answer another phone call.
Finish scanning Thomas Harwood's folder.
Finish scanning Anna Harwood's folder.
Finish scanning the archeological report.
Stay late to help Dorothy Mitchell.
Confirm Dorothy's first theory.
Confirm Dorothy's second theory.
Call your mother back,
Deliver some big news.
Watch the credits to the end.