Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Level 10	Complete level 10.	100
Level 15	Complete level 15.	100
Level 1	Complete level 1.	20
Level 20	Complete level 20.	100
Level 25	Complete level 25.	100
Level 2	Complete level 2.	40
Level 30	Complete level 30.	100
Level 35	Complete level 35.	100
Level 3	Complete level 3.	60
Level 40	Complete level 40.	100
Level 6	Complete level 6.	80
Level 8	Complete level 8.	100