Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Collect A Skull	Collect A Skull.	100
Death	Death.	100
Go to Wave 3	Go to Wave 3.	100
Hurt A Enemy	Hurt A Enemy.	100
Kill 10 Enemy	Kill 10 Enemy.	100
Kill 5 Enemy	Kill 5 Enemy.	100
Kill A Enemy	Kill A Enemy.	100
Place A Sentry	Place A Sentry.	100
Take A Damage	Take A Damage.	100
Welcome The Game	Welcome The Game.	100