Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Level 11	Level 11 completed.	100
Level 12	Level 12 completed.	200
Level 13	Level 13 completed.	100
Level 14	Level 14 completed.	200
Level 15	Level 15 completed.	100
Level 16	Level 16 completed.	200
Level 17	Level 17 completed.	100
Level 18	Level 18 completed.	200
Level 19	Level 19 completed.	200
Level 1	Level 1 completed.	50
Level 20	Level 20 completed.	200
Level 3	Level 3 completed.	50
Level 5	Level 5 completed.	100
Level 7	Level 7 completed.	100
Level 9	Level 9 completed.	100