Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Case Closed	Finish the story with any of the endings.	110
Gaze Into The Abyss	Get the attention of something dark.	90
Story from an Old Friend	Get key intel from Ross' military contact.	90
Summary Execution	Kill Nicholas Forrester.	90
That Was Uncalled For	Break Daniel Brown's camera.	90
The Bodyguard	Get saved by your partner.	90
The Lone Gunman	Make Daniel Brown tell you more about the scientists.	90
The Missing Tape	Learn the Sheriff's secret.	90
The Old Dog	Play as Stuart Ross.	40
The Scientific Detective	Play as Catherine Armstrong.	40
The Widow's Tale	Interview Kowalki's widow.	90
Things Man Should Not Know	Don't listen to the cursed recordings.	90