Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
A lonely death	You discovered Dr. Lewelin's corpse.	35
Across the lake	You have entered Lewelin Mansion.	35
Agatha's favourite song	You have played the record on the gramophone and opened the door to the library.	35
An ear for music	You have solved the puzzle of the Lewelin Mansion piano.	40
Charon's coin	You have collected the coin of Charon.	35
Curious by nature	You have played the other piano in the Lewelin Mansion.	50
Dara's home	A happy ending?	200
Deadly chase	You survived an Omega attack.	35
First document retrieved	You have retrieved the first document of the mission.	35
Lights and shadows	You have completed the magic lanterns puzzle.	40
Second document retrieved	You have retrieved the second document from the mission.	35
Seth's office	You have opened the guard's office in the forest lodge.	35
Spectres from the past	You have collected all the pictures of the characters.	100
The impatient one	You tried to cross the lake before entering the lodge in the forest.	50
The lowest floor of the lift	You have arrived at the nuclear reactor.	35
The secret passage	You have discovered the secret passage hidden in the catacombs.	35
The threshold of horror	You have successfully entered the hospital.	35
There is something strange here...	You've seen something moving on the lower floor.	50
Third document retrieved	You have retrieved the third document of the mission.	35
Until death do us part	You have inspected the rings of Agatha and Arthemius Lewelin.	50