Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Level 1	Complete level 1.	50
Level 2	Complete level 2.	50
Level 4	Complete level 4.	50
Level 6	Complete level 6.	50
Level 9	Complete level 9.	100
Level 12	Complete level 12.	100
Level 15	Complete level 15.	100
Level 18	Complete level 18.	100
Level 22	Complete level 22.	100
Level 26	Complete level 26.	100
Level 30	Complete level 30.	100
Level 35	Complete level 35.	100
Level 38	Complete level 38.	200
Level 41	Complete level 41.	200
Level 44	Complete level 44.	200
Level 47	Complete level 47.	200
Level 50	Complete level 50.	200