Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Advancing	Not Bad.	150
Equipped	More firepower is always good.	100
First blood	The best defence is offence.	50
Hard Rocks	Next time avoid that Rock!	100
Hug an Enemy	They are not friendly.	25
It's Hard	Was Hard?	25
Killer	Was this slaughter necessary?	150
New Worlds	Your training is done!	200
No Gas	Fuel is too expensive.	75
Over Time	Sometime try to be on time.	25
Pacifist	I hope wasn't the first level...	25
Pit Stop	So you can keep flying.	25
The Story Begin	A good start.	50