Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Accessories 10 ( 20 points )	Obtain 10 accessories.
Accessories 20 ( 20 points )	Obtain 20 accessories.
Attack Mode 20 ( 10 points )	Play Attack Mode 20 times.
Eraser 10 ( 10 points )	Clear the screen 10 times.
Geolyte 5 ( 10 points )	Use Geolyte 5 times.
Meteo 10,000 ( 20 points )	Launch 10,000 Meteos.
Mission E ( 10 points )	Clear Mission Mode on Easy.
Mission N ( 20 points )	Clear Mission Mode on Normal.
Mission H ( 20 points )	Clear Mission Mode on Hard.
Planets 10 ( 20 points )	Unlock 10 planets for use.
Planets 20 ( 30 points )	Unlock 20 planets for use.
Planet Impact 10 ( 10 points )	Use Planet Impact 10 times.