Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Bunker Buddies (20 points)	Complete present day mission 4.
Getting Weird Around Here (20 points)	Complete present day mission 3.
Hungover (10 points)	Wake up in a haystack.
It's All Good (20 points)	Complete present day mission 5.
Routine Hacking (20 points)	Complete present day mission 2.