Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Change your backgrounds (100 points)	Change backgrounds.
Completion (100 points)	Unlock all achievements.
CRT screen (100 points)	Adjust Scan lines.
For All Those Unhappy Children (100 points)	Clear all Missions.
Master of control (100 points)	Open all control manuals.
Reverberation of retro sound (100 points)	Turn on reverb in sound options.
Show us what you've got (100 points)	Create your own Private Match.
The Fantastic Four (100 points)	Clear all Missions without dying.
The Two of us Across the World (100 points)	Clear Mission 1.
Transform (100 points)	Change your avatar.