Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Erudite	Find all the logs outside the investigation facilities.	200
Escape to Lab A	Escape the first investigation facility.	50
Escape to Lab B	Escape the second investigation facility.	70
Escape to Lab C	Escape the third investigation facility.	130
Exterminator	Kill fifty enemies.	50
First fragment	Get the first piece of the Dark Matter Cannon.	50
I'm ready	Obtain twenty ammunition clips for the Plasma Blaster.	60
I'm the law	Destroy the giant creature.	160
Librarian	Find five logs outside the investigation facilities.	60
Plasma Blaster	Get the Plasma Blaster.	20
Second fragment	Get the second piece of the Dark Matter Cannon.	70
Third fragment	Get the third piece of the Dark Matter Cannon.	80