Unlockables - Complete each achievement to get the allotted gamerscore.

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