First Look Xbox Gameplay...

Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Completed Level 1	Completed Level 1.	100
Completed Level 2	Completed Level 3.	100
Completed Level 3	Completed Level 3.	100
Completed Level 4	Completed Level 4.	100
Completed Level 5	Completed Level 5.	100
Completed Level 26	Completed Level 26.	100
Completed Level 27	Completed Level 27.	100
Completed Level 28	Completed Level 28.	100
Completed Level 29	Completed Level 29.	100
Completed Level 30	Completed Level 30.	100
Completed Level 11	Completed Level 11.	200
Completed Level 12	Completed Level 12.	200
Completed Level 13	Completed Level 13.	200
Completed Level 14	Completed Level 14.	200
Completed Level 15	Completed Level 15.	200