Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Armorer (100 points)	Every weapon is important!
Cool guy (100 points)	"Cool guys don't look at explosions".
Full pockets (100 points)	...
Giant killer (100 points)	"I don't care if you are ten metres high. I will kill you anyway!"
Magnate (100 points)	...just business.
Mega mex (100 points)	"Huge robots are the best".
STAGE 1 (100 points)	Show yourself to everyone!
STAGE 2 (100 points)	Become a star!
STAGE 3 (100 points)	Final step to the pantheon.
Wall builder (100 points)	Defense should be the best!