Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Brilliant Mind (10 points)	You have correctly reconstructed the murder's course of events.
Master of Disguise (10 points)	You have disguised as a conductor.
Traveler (10 points)	You have found a way to board the ship.
Master Detective (Episode 2) (20 points)	You've finished episode 2.
History Fan (10 points)	You have examined all the exhibits in the museum's main hall.
Snooper (10 points)	You have correctly guessed that the butler is the villain.
Good Boy (10 points)	You have served coffee to the doctor.