Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Level III	Complete level 3.	50
Level II	Complete level 2.	50
Level IV	Complete level 4.	50
Level IX	Complete level 14.	100
Level I	Complete level 1.	50
Level VIII	Complete level 12.	100
Level VII	Complete level 10.	100
Level VI	Complete level 8.	100
Level V	Complete level 6.	100
Level XII	Complete level 20.	100
Level XI	Complete level 18.	100
Level X	Complete level 16.	100