Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
6th Sense	Destroy a Stalker while it's still camouflaged.	100
A+ Student	Master your ratings.	100
Crusher Diploma	Get your first Crusher Award.	50
Fighter Diploma	Get your first Fighter Award.	50
Lancer Diploma	Get your first Lancer Award.	50
Living on the Edge	Kill 10 enemies in a row while having 10 hull points or less and without dying.	100
Lost in Space	Get stranded (out of fuel).	100
One Finger Man	Finish a mission without ever using Secondary nor Special Weapons.	100
Party of Five	Kill five enemies with one single ammo.	100
Reckless Flying	Finish a mission without ever using your shield.	100
Resistance is Futile	Fail a mission.	100
Sparker Diploma	Get your first Sparker Award.	50