Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Blind Bomber (30 points)	In a round get 5 kills with air vehicles in Gulf of Oman.
Dirty Job (20 points)	Find the hidden tunnel in Caspian Border.
Falling Down (20 points)	Kill an enemy with a ceiling collapse in Operation Metro.
Risky Business (30 points)	Kill an enemy flag holder while carrying your team's flag in CTF.
Torched (20 points)	Ignite a brush fire using the repair tool in Operation Metro or Caspian Border.