Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Death	Get killed in a mission.	100
Headshot	Kill an enemie with a headshot.	100
Kill	Kill an Enemie.	40
LongRangeKill	Achieve a long range kill.	100
MeleeKill	Kill an enemie with your knife.	150
Training	Kill an EnemyComplete the Training.	50