Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Brothers (10 points)	Complete Chapter 2 of Episode 3.
Garrisons (10 points)	Complete Chapter 3 of Episode 3.
Intentions Known (20 points)	Complete Chapter 6 of Episode 3.
Master of Arms (40 points)	Complete Episode 3.
Relief for the Parched (20 points)	Complete Chapter 5 of Episode 3.
Rendezvous (20 points)	Complete Chapter 4 of Episode 3.
Storied Sights (10 points)	Complete Chapter 1 of Episode 3.
Your Grace (30 points)	Complete Chapter 7 of Episode 3.