Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Acupuncture (15 points)	Complete the "Stim Connoisseur" pursuit.
Ark-Rival (15 points)	Kill a Volge Huntmaster.
Bloody Mess (50 points)	Be in a clan that reaches rank 10 in the Competitive Multiplayer activity.
Master of War (25 points)	Kill the Volge Warmaster.
On Demand (15 points)	Assemble an ark spike.
Spike in the Vein (15 points)	Complete the "Spike Driver" pursuit.
They formed a union? (50 points)	Be in a clan that reaches rank 10 in the Arkfalls activity.
We have the technology... (15 points)	Complete the Combat Tech missions.