Full Walkthrough Guide...

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Level 5	Complete level 5.	100
Level 10	Complete level 10.	100
Level 15	Complete level 15.	100
Level 20	Complete level 20.	100
Level 25	Complete level 25.	100
Level 30	Complete level 30.	100
Level 35	Complete level 35.	100
Level 40	Complete level 40.	100
Level 45	Complete level 45.	100
Level 50	Complete level 50.	100
Level 26	Complete level 26.	200
Level 27	Complete level 27.	200
Level 28	Complete level 28.	200
Level 29	Complete level 29.	200
Level 31	Complete level 31.	200
Level 32	Complete level 32.	200
Level 33	Complete level 33.	200
Level 34	Complete level 34.	200
Level 36	Complete level 36.	200
Level 37	Complete level 37.	200