Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Headed Out (30 points)	Headed out with the group.
Now What? (20 points)	Arrived at the cabin.
On the Path (20 points)	Met new people.
River Runs Cold (20 points)	Arrived at the shore.
Shelter (20 points)	Found a campsite.
Sneaky (20 points)	Got what you needed.
Split Decision (50 points)	Completed Episode 1: "All That Remains".
Still. Not. Bitten. (20 points)	Took care of yourself.